Opinions from A. J. W. Hendy 2020

  • 'Aartsenia belongs to Pyramidellidae' according to Warén 1991
  • 'Acila (Acila) belongs to Acila'
  • 'Acila (Truncacila) belongs to Acila'
  • 'Acmaea lepisma is a subjective synonym of Lottia depicta'
  • 'Acmaea patina belongs to Acmaea' according to Rathke 1833
  • 'Acmaea patina is recombined as Collisella patina' according to Dall 1871
  • 'Acmaea tejonensis is recombined as Patelloida tejonensis'
  • 'Acmaea vokesi is recombined as Patelloida vokesi'
  • 'Actaeon (Microglyphis) breviculus belongs to Actaeon (Microglyphis)' according to Dall 1902
  • 'Actaeon (Microglyphis) schencki is a subjective synonym of Microglyphis breviculus'
  • 'Actonia belongs to Rissoidae'
  • 'Aequipecten (Leptopecten) camerella belongs to Aequipecten (Leptopecten)' according to Berry 1968
  • 'Aequipecten (Leptopecten) camerella is recombined as Leptopecten camerella'
  • 'Agasoma yaquinanum is recombined as Bruclarkia yaquinana'
  • 'Alabina calena belongs to Alabina' according to Dall 1919
  • 'Alabina calena is recombined as Lirobittium calenum'
  • 'Alabina effiae belongs to Alabina' according to Willett 1939
  • 'Alabina hamlini is recombined as Lirobittium hamlini'
  • 'Aletes squamigerus is recombined as Serpulorbis squamigerus'
  • 'Alvania aequisculpta belongs to Alvania' according to Keep 1887
  • 'Alvania purpurea belongs to Alvania' according to Dall 1871
  • 'Alvinia belongs to Rissoidae' according to McLean and Coan 1996
  • 'Amauropsis was reranked as Ampullina (Amauropsis) and belongs to Ampullina' according to Dall 1909
  • 'Amphissa versicolor reticulata belongs to Amphissa versicolor' according to Dall 1916
  • 'Amphithalmus lacunatus belongs to Amphithalmus' according to Carpenter 1864
  • 'Amphithalmus lacunatus is a subjective synonym of Lacuna (Epheria) unifasciata'
  • 'Ampullina (Amauropsis) oregonensis belongs to Ampullina (Amauropsis)' according to Dall 1909
  • 'Ampullina (Amauropsis) oregonensis is a subjective synonym of Cryptonatica oregonensis'
  • 'Anachis penicillata belongs to Anachis' according to Carpenter 1864
  • 'Anachis penicillata is recombined as Decipifus penicillata' according to Skoglund 2002
  • 'Anatina roseburgensis belongs to Anatina' according to Hendon 1938
  • 'Anatina roseburgensis belongs to Anatina'
  • 'Ancistrolepis landesi belongs to Ancistrolepis'
  • 'Anomia tridentata is recombined as Cavolinia tridentata'
  • 'Antiplanes was reranked as Pleurotoma (Antiplanes) and belongs to Pleurotoma' according to Raymond 1904
  • 'Arca (Anadara) santana is recombined as Anadara santana'
  • 'Arca (Arca) santamariensis belongs to Arca (Arca)'
  • 'Arca (Barbatia) cowlitzensis is recombined as Barbatia cowlitzensis'
  • 'Arca (Barbatia) landesi is recombined as Barbatia landesi'
  • 'Arca (Barbatia) suzzalloi is recombined as Barbatia suzzalloi'
  • 'Arca (Navicula) terminumbonis is recombined as Angulararca terminumbonis'
  • 'Arca aequatorialis is recombined as Anadara aequatorialis'
  • 'Arca columbiana is a subjective synonym of Schedocardia brewerii' according to Weaver 1943
  • 'Arca congesta is recombined as Anadara congesta'
  • 'Arca congesta is recombined as Anadara congesta' according to Moore 1983
  • 'Arca grandis is recombined as Larkinia grandis'
  • 'Arca hornii is recombined as Pachecoa hornii'
  • 'Arca minuta is recombined as Leda minuta' according to Müller 1776
  • 'Arca minuta is recombined as Nuculana (Nuculana) minuta'
  • 'Arca montereyana is recombined as Anadara montereyana'
  • 'Arca multicostata is recombined as Larkinia multicostata'
  • 'Arca obesa is recombined as Anadara obesa'
  • 'Arca osmonti is recombined as Anadara osmonti'
  • 'Arca trilineata is recombined as Anadara trilineata'
  • 'Astarte alaskensis belongs to Astarte' according to Dall 1903
  • 'Astarte alaskensis is a subjective synonym of Astarte elliptica'
  • 'Astarte perrini is recombined as Crassatella perrini'
  • 'Astarte rollandi is a subjective synonym of Astarte arctica'
  • 'Astarte semidentata is a subjective synonym of Crassatella uvasana'
  • 'Astarte semidentata is recombined as Crassatellites semidentata' according to Clark 1929
  • 'Astraea (Pomaulax) petrothauma is a subjective synonym of Megastraea turbanica'
  • 'Avicula pellucida belongs to Avicula'
  • 'Axinaea (Limopsis) sagittata is recombined as Glycymerita sagittata'
  • 'Axinaea barbarensis is recombined as Axinea barbarensis' according to Conrad 1857
  • 'Axinaea barbarensis is recombined as Axinea barbarensis' according to Conrad 1857
  • 'Axinopsis is replaced by Axinopsida'
  • 'Axinopsis viridis belongs to Axinopsis' according to Dall 1901
  • 'Axinopsis viridis is a subjective synonym of Axinopsida serricata'
  • 'Bankia lincolnensis belongs to Bankia'
  • 'Barbatia (Fugleria) pseudoillota is recombined as Barbatia pseudoillota'
  • 'Barleeia coronadoensis belongs to Barleeia' according to Bartsch 1920
  • 'Barleeia haliotiphila belongs to Barleeia' according to Carpenter 1864
  • 'Barleeia oldroydi belongs to Barleeia' according to Bartsch 1920
  • 'Bathybembix hickmanae belongs to Bathybembix'
  • 'Bathybembix nitor belongs to Bathybembix'
  • 'Bittium (Elachista) californicum belongs to Bittium (Elachista)' according to Dall and Bartsch 1901
  • 'Bittium (Semibittium) larum belongs to Bittium (Semibittium)' according to Bartsch 1911
  • 'Bittium armillatum belongs to Bittium' according to Carpenter 1864
  • 'Bittium attenuatum belongs to Bittium' according to Carpenter 1864
  • 'Bittium casmaliense is recombined as Lirobittium casmaliense'
  • 'Bittium catalinensis is recombined as Bittium armillatum catalinense' according to Valentine and Meade 1961
  • 'Bittium catalinensis belongs to Bittium' according to Bartsch 1907
  • 'Bittium catalinensis [misspelled as Bittium catalinense] belongs to Bittium' according to Dibblee 1966
  • 'Bittium rugatum belongs to Bittium' according to Carpenter 1866
  • 'Boreotrophon pacificus belongs to Boreotrophon' according to Dall 1902
  • 'Bostrycapulus decorus belongs to Bostrycapulus' according to Collin 2019
  • 'Buccinum corrugatum belongs to Buccinum' according to Reeve 1847
  • 'Buccinum corrugatum is recombined as Amphissa corrugata' according to Arnold 1907
  • 'Buccinum fossatum is recombined as Alectrion fossata' according to Jordan 1926
  • 'Buccinum fossatum is recombined as Nassa fossata' according to Valentine and Meade 1961
  • 'Buccinum fossatum is recombined as Nassarius fossatus' according to DeLong 1941
  • 'Bulla punctulata belongs to Bulla'
  • 'Bullinula subglobosa [misspelled as Bullinula subglobosas] belongs to Bullinula' according to Zinsmeister and Paredes-Meija 1988
  • 'Cadulus aberrans belongs to Cadulus' according to Whiteaves 1887
  • 'Cadulus arcticus belongs to Cadulus' according to Dall 1920
  • 'Cadulus fusiformis belongs to Cadulus' according to Pilsbry and Sharp 1898
  • 'Cadulus fusiformis is a subjective synonym of Gadila aberrans'
  • 'Caecum californicum belongs to Caecum' according to Dall 1885
  • 'Caecum crebricinctum is recombined as Caecum (Micranellum) crebricinctum' according to Valentine 1958
  • 'Caecum grippi belongs to Caecum' according to Bartsch 1920
  • 'Caecum grippi is a subjective synonym of Caecum quadratum'
  • 'Caecum quadratum belongs to Caecum' according to Carpenter 1857
  • 'Calliostoma coalingensis belongs to Calliostoma'
  • 'Calliostoma splendens is a subjective synonym of Calliostoma supragranosum'
  • 'Calliostoma splendens belongs to Calliostoma' according to Carpenter 1864
  • 'Calliostoma supragranosum belongs to Calliostoma' according to Carpenter 1864
  • 'Calliostoma supragranosum belongs to Calliostoma' according to Kanakoff and Emerson 1959
  • 'Callocallista arnoldi belongs to Callocallista' according to Weaver 1916
  • 'Callocallista arnoldi is recombined as Pitaria (Katherinella) arnoldi' according to Weaver 1942
  • 'Calyptraea fastigiata belongs to Calyptraea'
  • 'Cancellaria (Euclia) tritonidea is recombined as Cancellaria tritonidea' according to Woodring and Bramlette 1950
  • 'Cancellaria arnoldi belongs to Cancellaria'
  • 'Cancellaria elsmerensis belongs to Cancellaria' according to English 1914
  • 'Cancellaria elsmerensis is recombined as Progabbia elsmerensis'
  • 'Cancellaria fernandoensis is recombined as Euclia fernandoensis'
  • 'Cancellaria fernandoensis tribulus is recombined as Euclia tribulis'
  • 'Cancellaria landesi belongs to Cancellaria'
  • 'Cancellaria rapa is recombined as Euclia rapa'
  • 'Cardiomya comstockensis belongs to Cardiomya'
  • 'Cardita (Carditamera) weaveri belongs to Cardita (Carditamera)' according to Dickerson 1917
  • 'Cardita (Carditamera) weaveri is recombined as Glans weaveri'
  • 'Cardita borealis crebricostata is recombined as Crassicardia crebricostata'
  • 'Cardita sandiegoensis is recombined as Glyptoactis (Claibornicardia) sandiegoensis'
  • 'Cardita subquadrata is a subjective synonym of Glans carpenteri'
  • 'Cardita subtenta belongs to Cardita' according to Conrad 1849
  • 'Cardita subtenta is recombined as Cyclocardia subtenta'
  • 'Cardita veneriformis is recombined as Centrocardita veneriformis'
  • 'Cardium (Cerastoderma) coosense is recombined as Clinocardium (Clinocardium) coosense'
  • 'Cardium (Cerastoderma) scapoosense is recombined as Clinocardium scapoosense'
  • 'Cardium (Ceratoderma) yakatagensis is recombined as Clinocardium (Ciliatocardium) yakatagense'
  • 'Cardium (Ceratoderma) yakatagensis is recombined as Ciliatocardium yakatagense' according to Kafanov 1980
  • 'Cardium (Ceratoderma) yakatagensis is recombined as Clinocardium yakatagense' according to Keen 1954
  • 'Cardium (Papyridea) crockeri belongs to Cardium (Papyridea)' according to A. M. Strong and Hertlein 1937
  • 'Cardium (Papyridea) crockeri is recombined as Papyridea crockeri'
  • 'Cardium (Trachycardium) vaquerosensis is recombined as Dallocardia vaquerosense'
  • 'Cardium (Trachycardium) woodringi is recombined as Dallocardia woodringi'
  • 'Cardium blandum is recombined as Clinocardium (Keenocardium) blandum'
  • 'Cardium brewerii is recombined as Schedocardia brewerii'
  • 'Cardium ciliatum is recombined as Clinocardium (Ciliatocardium) ciliatum'
  • 'Cardium cooperii lorenzanum is recombined as Anechinocardium lorenzanum'
  • 'Cardium dickersoni is recombined as Clinocardium (Clinocardium) dickersoni'
  • 'Cardium eugenense belongs to Cardium' according to Clark 1925
  • 'Cardium eugenense is recombined as Parvicardium eugenense'
  • 'Cardium lincolnensis is recombined as Loxocardium lincolnensis' according to Effinger 1938
  • 'Cardium lincolnensis is recombined as Nemocardium lincolnensis'
  • 'Cardium meekianum is recombined as Clinocardium (Clinocardium) meekianum'
  • 'Cardium nuttallii is recombined as Clinocardium nuttalli' according to Valentine and Meade 1961
  • 'Cardium oldroydi is a subjective synonym of Schedocardia brewerii'
  • 'Cardium olequahensis is recombined as Schedocardia olequahensis'
  • 'Cardium sookensis is recombined as Clinocardium sookensis'
  • 'Cardium sorrentoensis is recombined as Agnocardia sorrentoensis'
  • 'Cardium spiekeri is recombined as Apiocardia spiekeri'
  • 'Cardium spiekeri belongs to Cardium' according to Hanna and Israelsky 1925
  • 'Cardium weaveri is recombined as Anechinocardium weaveri'
  • 'Cardium weaveri is recombined as Nemocardium (Nemocardium) weaveri' according to Keen 1954
  • 'Cerithidea newcombei is recombined as Cerithiopsis newcombei'
  • 'Cerithiopsis (Cerithiopsina) necropolitana belongs to Cerithiopsis (Cerithiopsina)' according to Bartsch 1911
  • 'Cerithiopsis (Cerithiopsina) willetti belongs to Cerithiopsis (Cerithiopsina)' according to Bartsch 1921
  • 'Cerithiopsis cosmia belongs to Cerithiopsis' according to Bartsch 1907
  • 'Cerithiopsis oregonensis is recombined as Turritella oregonensis'
  • 'Cerithium assimilatum is recombined as Seila assimilata'
  • 'Chama pellucida belongs to Chama'
  • 'Chama squamuligera belongs to Chama'
  • 'Chemnitzia tenuicula is recombined as Pyrgiscus tenuiculus' according to Skoglund 2002
  • 'Chemnitzia tenuicula belongs to Chemnitzia' according to Gould 1853
  • 'Chemnitzia tenuicula is recombined as Turbonilla tenuicula' according to Valentine 1957
  • 'Chione vancouverensis is recombined as Securella vancouverensis'
  • 'Kellia laperousii is a subjective synonym of Kellia suborbicularis'
  • 'Chlamys anapleus belongs to Chlamys'
  • 'Chlorostoma funebrale belongs to Chlorostoma' according to A. Adams 1855
  • 'Chlorostoma funebrale is recombined as Tegula (Chlorostoma) funebralis' according to Grant and Gould 1931
  • 'Chrysodomus rectirostris belongs to Chrysodomus' according to Carpenter 1864
  • 'Chrysodomus tabulatus belongs to Chrysodomus' according to Baird 1863
  • 'Clathurella (Glyphostoma) tridesmia is recombined as Crockerella tridesmia'
  • 'Clathurella canfieldi belongs to Clathurella' according to Dall 1871
  • 'Clathurella conradiana is recombined as Glyphostoma conradiance' according to Dibblee 1966
  • 'Clathurella crystallina belongs to Clathurella' according to Gabb 1865
  • 'Clavus (Crassispira) zizyphus is recombined as Crassispira zizyphus' according to Vedder 1972
  • 'Clinocardium (Clinocardium) belongs to Clinocardium'
  • 'Clinocardium asagaiense makiyamae is recombined as Clinocardium (Ciliatocardium) makiyamae'
  • 'Clinocardium praeblandum belongs to Clinocardium' according to Keen 1954
  • 'Clinocardium praeblandum is recombined as Clinocardium (Clinocardium) praeblandum'
  • 'Clinocardium pristinum is recombined as Clinocardium (Clinocardium) pristinum'
  • 'Cerastoderma corbis is a subjective synonym of Clinocardium (Clinocardium) nuttallii'
  • 'Acmaea ochracea is a subjective synonym of Lottia instabilis'
  • 'Collisella patina ochracea belongs to Collisella patina' according to Dall 1871
  • 'Collisella patina ochracea is recombined as Collisella ochracea' according to Kern 1977
  • 'Columbella carinata belongs to Columbella' according to Hinds 1844
  • 'Conchocele bathyaulax belongs to Conchocele'
  • 'Conchocele taylori belongs to Conchocele'
  • 'Corbicula cowlitzensis belongs to Corbicula' according to Coats 1936
  • 'Corbicula cowlitzensis belongs to Corbicula' according to Weaver 1943
  • 'Corbicula cowlitzensis belongs to Corbicula'
  • 'Corbicula eufaulaensis is a subjective synonym of Corbicula cowlitzensis' according to Weaver 1943
  • 'Corbicula gabbiana belongs to Corbicula' according to Henderson 1920
  • 'Corbicula gabbiana is recombined as Polymesoda gabbiana'
  • 'Corbicula jestesi belongs to Corbicula'
  • 'Corbicula willisi belongs to Corbicula'
  • 'Corbis washingtoniana is recombined as Epilucina washingtoniana'
  • 'Corbis washingtoniana is recombined as Fimbria washingtoniana' according to Moore and Vokes 1953
  • 'Corbula (Varicorbula) capayana is recombined as Varicorbula capayana'
  • 'Corbula acutirostra belongs to Corbula' according to Spieker 1922
  • 'Corbula acutirostra is recombined as Tenuicorbula acutirostra'
  • 'Corbula amethystina is recombined as Caryocorbula amethystina'
  • 'Corbula bicarinata is recombined as Juliacorbula bicarinata'
  • 'Corbula binominata belongs to Corbula' according to Hanna 1924
  • 'Corbula binominata is a subjective synonym of Dermatomya mactroides'
  • 'Corbula complicata belongs to Corbula' according to G. D. Hanna 1924
  • 'Corbula complicata is recombined as Caryocorbula complicata'
  • 'Corbula cowlitzensis is recombined as Caryocorbula cowlitzensis'
  • 'Corbula domenginica is recombined as Caryocorbula domenginica'
  • 'Corbula evansana belongs to Corbula' according to Shumard 1858
  • 'Corbula evansana belongs to Corbula' according to Dall 1909
  • 'Corbula evansana belongs to Corbula' according to Weaver 1943
  • 'Corbula evansana belongs to Corbula'
  • 'Corbula hornii is recombined as Caryocorbula hornii'
  • 'Corbula ovulata is recombined as Caryocorbula ovulata'
  • 'Corbula parilis belongs to Corbula' according to Weaver 1943
  • 'Corbula parilis is recombined as Caryocorbula parilis'
  • 'Corbula tenuis is a subjective synonym of Corbula binominata'
  • 'Corbula torreyensis is recombined as Cuneocorbula torreyensis'
  • 'Corbula torreyensis belongs to Corbula' according to Turner 1938
  • 'Corbula torreyensis belongs to Corbula' according to Weaver 1943
  • 'Corbula uvasana is recombined as Kellia uvasana'
  • 'Corbula wardii is recombined as Aloidis wardii' according to Keen and Bentson 1943
  • 'Corbula wardii belongs to Corbula'
  • 'Crassatella antillarum is recombined as Kalolophus antillarum'
  • 'Crassatella collina is recombined as Crassatellites collina' according to Arnold 1907
  • 'Crassatella collina is recombined as Crassatellites collina' according to Arnold and Anderson 1907
  • 'Crassatella collina belongs to Crassatella'
  • 'Crassatella digueti belongs to Crassatella' according to Lamy 1917
  • 'Crassatella digueti is a subjective synonym of Kalolophus antillarum'
  • 'Crassatella uvasana belongs to Crassatella'
  • 'Crassatellites (Eucrassatella) weaveri is recombined as Crassatella weaveri'
  • 'Crassatellites (Eucrassatella) weaveri is recombined as Crassatella weaveri' according to Weaver 1943
  • 'Crassatellites branneri is recombined as Crassatella branneri'
  • 'Crassatellites carmanahensis is recombined as Crassatella carmanahensis'
  • 'Crassatellites claytonensis is recombined as Crassatella claytonensis'
  • 'Crassatellites cowlitzensis is recombined as Crassatella cowlitzensis'
  • 'Crassatellites dalli is recombined as Crassatella dalli'
  • 'Crassatella grandis is a subjective synonym of Crassatella uvasana'
  • 'Crassatellites grandis belongs to Crassatellites' according to Arnold 1910
  • 'Crassatellites grandis belongs to Crassatellites' according to Arnold and Anderson 1907
  • 'Crassatellites lincolnensis is recombined as Crassatella lincolnensis'
  • 'Crassatellites lomitensis is a subjective synonym of Hybolophus fluctuatus'
  • 'Crassatellites meganosensis is recombined as Crassatella meganosensis'
  • 'Crassatellites merriami is recombined as Crassatella merriami'
  • 'Crassatellites stewartvillensis is recombined as Crassatella stewartvillensis'
  • 'Crassatellites stillwaterensis is recombined as Crassatella stillwaterensis'
  • 'Crassatellites studleyi is recombined as Crassatella studleyi'
  • 'Crassatellites washingtoniana is recombined as Crassatella washingtoniana'
  • 'Crassina arctica is recombined as Astarte arctica'
  • 'Crassina elliptica is recombined as Astarte elliptica'
  • 'Crassispira (Burchia) belongs to Crassispira' according to Bartsch 1944
  • 'Crassitellites subgibbosus is recombined as Hybolophus subgibbosa'
  • 'Crockerella belongs to Clathurellinae'
  • 'Cryptodon serricatus is recombined as Axinopsis serricatus' according to Valentine and Meade 1961
  • 'Cryptonatica aleutica is a subjective synonym of Cryptonatica affinis'
  • 'Cumingia californica belongs to Cumingia'
  • 'Cuspidaria (Cardiomya) alkiensis is recombined as Cardiomya alkiensis'
  • 'Cuspidaria (Cardiomya) planetica belongs to Cuspidaria (Cardiomya)' according to Dall 1908
  • 'Cuspidaria (Cardiomya) planetica is recombined as Cardiomya planetica'
  • 'Cuspidaria hannibali is recombined as Cardiomya hannibali'
  • 'Cuspidaria israelskyi is recombined as Cardiomya israelskya'
  • 'Cyclocardia moniligena belongs to Cyclocardia'
  • 'Cylichna cylindracea attonsa is recombined as Cylichna attonsa'
  • 'Cymakra poncei belongs to Cymakra' according to Gardner 1937
  • 'Cypraea fernandoensis is recombined as Zonaria (Neobernaya) spadicea fernandoensis' according to Groves 1997
  • 'Cypraea fernandoensis is a subjective synonym of Neobernaya spadicea'
  • 'Cypraea spadicea is recombined as Luponia spadicea' according to Gabb 1868
  • 'Cypraea spadicea is recombined as Zoila spadicea' according to Chace 1966
  • 'Cypraeolina was reranked as Marginella (Cypraeolina) and belongs to Marginella' according to Valentine 1958
  • 'Cyrena (Corbicula) dumblei is recombined as Polymesoda dumblei'
  • 'Cyrena brevidens is recombined as Corbicula brevidens'
  • 'Corbicula californica is a subjective synonym of Polymesoda gabbiana'
  • 'Cyrene (Corbicula) sookensis is recombined as Corbicula sookensis'
  • 'Cyrene (Corbicula) sookensis is recombined as Corbicula sookensis' according to Weaver 1943
  • 'Cystiscus was reranked as Marginella (Cystiscus) and belongs to Marginella' according to Valentine 1958
  • 'Cytherea newcombei is recombined as Venerella (Compsomyax) newcombei' according to Weaver 1943
  • 'Cytherea newcombei is recombined as Saxidomus newcombei'
  • 'Cytherea vancouverensis is recombined as Pitar vancouverensis'
  • 'Daphnella aspera belongs to Daphnella' according to Carpenter 1864
  • 'Daphnella aspera gracilior is recombined as Mitromorpha gracilior' according to Kanakoff and Emerson 1959
  • 'Daphnella aspera gracilior belongs to Daphnella aspera' according to Tryon 1884
  • 'Diala acuta belongs to Diala' according to Carpenter 1864
  • 'Diala marmorea is recombined as Barleeia marmorea' according to Valentine 1958
  • 'Diala marmorea is a subjective synonym of Pseudodiala acuta'
  • 'Diodora arnoldi belongs to Diodora' according to McLean 1966
  • 'Dosinia staleyi is recombined as Leukoma staleyi'
  • 'Dosiniopsis stewartvillensis belongs to Dosiniopsis'
  • 'Drillia cancellata belongs to Drillia' according to Carpenter 1864
  • 'Drillia fleenerensis is recombined as Pseudomelatoma fleenerensis' according to Grant and Gale 1931
  • 'Drillia fleenerensis is recombined as Pseudomelatoma fleenerensis'
  • 'Drillia graciosana is recombined as Ophiodermella graciosana'
  • 'Drillia moesta is recombined as Pseudomelatoma moesta' according to Jordan 1926
  • 'Drillia moesta is recombined as Pleurotoma (Drillia) moesta' according to Weinkauff 1876
  • 'Drillia moesta belongs to Drillia' according to Carpenter 1863
  • 'Drillia moesta is recombined as Pseudomelatoma penicillata moesta' according to Grant and Gale 1931
  • 'Drillia moesta is recombined as Pseudomelatoma moesta' according to Dall 1921
  • 'Drillia moesta is recombined as Pseudomelatoma moesta' according to Oldroyd 1927
  • 'Drillia penicillata is recombined as Pseudomelatoma penicillata' according to Skoglund 2002
  • 'Drillia penicillata is recombined as Pseudomelatoma penicillata' according to Dall 1919
  • 'Drillia penicillata is recombined as Pseudomelatoma penicillata' according to Grant and Gale 1931
  • 'Drillia penicillata belongs to Drillia' according to Carpenter 1864
  • 'Drillia torosa belongs to Drillia' according to Gabb 1864
  • 'Drillia torosa aurantia is recombined as Pseudomelatoma torosa aurantia' according to Grant and Gale 1931
  • 'Drillia torosa aurantia is recombined as Pseudomelatoma torosa aurantia' according to Oldroyd 1927
  • 'Elachista was reranked as Bittium (Elachista) and belongs to Bittium' according to Dall and Bartsch 1901
  • 'Elassum belongs to Cerithiidae'
  • 'Epheria was reranked as Lacuna (Epheria) and belongs to Lacuna'
  • 'Epitonium (Scala) caamanoi is recombined as Hirtoscala caamanoi'
  • 'Erato scabriuscula is recombined as Hespererato scabriuscula'
  • 'Ervilia oregonensis belongs to Ervilia'
  • 'Ethalia supravallatum belongs to Ethalia' according to Carpenter 1864
  • 'Eudolium oregonense is recombined as Liracassis oregonensis'
  • 'Eulima thersites is recombined as Balcis thersites' according to Kanakoff and Emerson 1959
  • 'Eulima thersites is recombined as Balcis (Vitreolina) thersites' according to Valentine 1958
  • 'Eulima thersites belongs to Eulima' according to Carpenter 1864
  • 'Fenella pupoidea is replaced by Fenella subpupoidea' according to Tryon 1887
  • 'Fenella pupoidea belongs to Fenella' according to Carpenter 1864
  • 'Fenella subpupoidea belongs to Fenella' according to Tryon 1887
  • 'Halistylus subpupoideus is a subjective synonym of Halistylus pupoideus'
  • 'Fimbria pacifica belongs to Fimbria'
  • 'Fusinus monksae belongs to Fusinus' according to Dall 1915
  • 'Harfordia monksae is a subjective synonym of Harfordia robusta'
  • 'Fusus (Buccinofusus) portolaensis is recombined as Lirabuccinum portolaensis'
  • 'Fusus barbarensis belongs to Fusus' according to Trask 1855
  • 'Fusus barbarensis is recombined as Barbarofusus barbarensis'
  • 'Fusus fidicula belongs to Fusus' according to Gould 1849
  • 'Fusus fidicula is recombined as Bela fidicula' according to Reagan 1909
  • 'Fusus harfordii belongs to Fusus' according to Stearns 1871
  • 'Fusus harfordii is recombined as Harfordia harfordii'
  • 'Fusus kelletii belongs to Fusus' according to Forbes 1852
  • 'Fusus robustus belongs to Fusus' according to Trask 1855
  • 'Galeodea (Caliagaleodea) californica is recombined as Galeodea californica'
  • 'Galeodea apta is recombined as Liracassis apta'
  • 'Galeodea dalli is recombined as Echinophoria dalli'
  • 'Galeodea fax is recombined as Echinophoria fax'
  • 'Galeodea rex is recombined as Liracassis rex'
  • 'Galeodea sutterensis meganosensis is recombined as Galeodea meganosensis'
  • 'Galeodea tuberculata crescentensis belongs to Galeodea tuberculata' according to Weaver and Palmer 1922
  • 'Galeodea tuberculata crescentensis is recombined as Galeodea crescentensis'
  • 'Galerus contortus belongs to Galerus' according to Carpenter 1864
  • 'Galerus contortus is recombined as Calyptraea contorta' according to Kanakoff and Emerson 1959
  • 'Gastrochaena dubitata belongs to Gastrochaena'
  • 'Gastrochaena ovata belongs to Gastrochaena' according to G. B. Sowerby 1834
  • 'Gibbula optabilis is recombined as Margarites optabilis' according to Kanakoff and Emerson 1959
  • 'Gibbula parcipicta belongs to Gibbula' according to Carpenter 1864
  • 'Gibbula parcipicta is recombined as Pupillaria parcipicta' according to Valentine and Meade 1961
  • 'Gibbula parcipicta is recombined as Margarites parcipictus' according to Kanakoff and Emerson 1959
  • 'Gibbula parcipicta is recombined as Margarites (Lirularia) parcipictus' according to Valentine 1958
  • 'Glossus (Meiocardia) susukii is recombined as Meiocardia susukii'
  • 'Panope estrellana is a subjective synonym of Panopea abrupta'
  • 'Glycymeris maccrayi is a subjective synonym of Glycymerita major'
  • 'Glycimeris ruckmani is recombined as Glycymeris ruckmani' according to Clark 1929
  • 'Glycimeris ruckmani is recombined as Glycymeris ruckmani' according to Keen and Bentson 1944
  • 'Glycymeris grewingki belongs to Glycymeris'
  • 'Glycymeris viticola belongs to Glycymeris' according to Anderson and Hanna 1825
  • 'Glycymeris viticola belongs to Glycymeris'
  • 'Gobraeus was reranked as Gari (Gobraeus) and belongs to Gari'
  • 'Gyrineum mediocre belongs to Gyrineum' according to Dall 1909
  • 'Gyrineum mediocre belongs to Gyrineum' according to Woodring and Bramlette 1950
  • 'Helix laevigata is a subjective synonym of Velutina velutina'
  • 'Hippagus novemcostatus belongs to Hippagus' according to A. Adams and Reeve 1850
  • 'Hippocampocardia belongs to Carditidae' according to Pérez and Giacheti 2020
  • 'Hipponyx panamensis belongs to Hipponyx' according to C. B. Adams 1852
  • 'Homalopoma (Homalopoma) belongs to Homalopoma'
  • 'Homoeodesma was reranked as Thracia (Homoeodesma) and belongs to Thracia'
  • 'Iselica fenestrata is a subjective synonym of Iselica ovoidea'
  • 'Ischnochiton (Trachydermon) trifidus is recombined as Tripoplax trifida'
  • 'Isocardia tejonensis is recombined as Nitidavenus tejonensis'
  • 'Ixartia was reranked as Thracia (Ixartia) and belongs to Thracia'
  • 'Janira bella is recombined as Pecten bellus' according to Dibblee 1966
  • 'Kelletia [misspelled as Kellettia] belongs to Buccinidae' according to Jordan 1926
  • 'Kelletia [misspelled as Kellia] belongs to Buccinidae' according to Pressler 1929
  • 'Kellia saxiriva belongs to Kellia'
  • 'Kellia vokesi belongs to Kellia'
  • 'Lacuna solidula is a subjective synonym of Lacuna (Epheria) carinata'
  • 'Lacuna unifasciata belongs to Lacuna' according to Carpenter 1857
  • 'Lacuna variegata belongs to Lacuna' according to Carpenter 1864
  • 'Lamellinucula was reranked as Nucula (Lamellinucula) and belongs to Nucula'
  • 'Lasaea trigonalis belongs to Lasaea' according to Carpenter 1857
  • 'Latirus roseburgensis belongs to Latirus'
  • 'Glans subquadrata is a subjective synonym of Glans carpenteri'
  • 'Leda cellulita is recombined as Jupiteria cellulita'
  • 'Leda hindsii belongs to Leda' according to Hanley 1860
  • 'Leda hindsii is recombined as Saccella hindsii'
  • 'Leda laeviradius belongs to Leda' according to Pilsbry and Lowe 1932
  • 'Leda laeviradius is recombined as Saccella laeviradius'
  • 'Leda navisa belongs to Leda' according to Dall 1916
  • 'Leda orcutti is recombined as Saccella orcutti' according to Woodring and Bramlette 1950
  • 'Leda orcutti is recombined as Saccella orcutti'
  • 'Leda oregona is recombined as Yoldia (Kalayoldia) oregona'
  • 'Leda rosa is recombined as Portlandia rosa'
  • 'Leda uvasana belongs to Leda' according to Vokes 1939
  • 'Leda uvasana is recombined as Saccella uvasana'
  • 'Leporimetis was reranked as Psammotreta (Leporimetis) and belongs to Psammotreta'
  • 'Leptonyx bacula belongs to Leptonyx' according to Carpenter 1864
  • 'Leptopecten was reranked as Aequipecten (Leptopecten) and belongs to Aequipecten' according to Berry 1968
  • 'Leptothyra carpenteri belongs to Leptothyra' according to Pilsbry 1889
  • 'Leptothyra carpenteri is a subjective synonym of Homalopoma (Homalopoma) luridum'
  • 'Leptothyra paucicostata belongs to Leptothyra' according to Dall 1919
  • 'Leptothyra paucicostata fenestrata belongs to Leptothyra paucicostata' according to Dall 1919
  • 'Homalopoma fenestratum is a subjective synonym of Homalopoma radiatum'
  • 'Leptothyra sanguinea lurida belongs to Leptothyra sanguinea' according to Dall 1885
  • 'Leptothyra subobsoleta is recombined as Homalopoma subobsoletum' according to Valentine and Meade 1961
  • 'Lima caribaea belongs to Lima'
  • 'Limopsis carmanahensis belongs to Limopsis'
  • 'Liotia acuticostata radiata belongs to Liotia acuticostata' according to Dall 1918
  • 'Liotia acuticostata supranodosa belongs to Liotia acuticostata' according to Strong 1934
  • 'Liotia acuticostata supranodosa is a subjective synonym of Homalopoma radiatum'
  • 'Liotia acuticostatus belongs to Liotia' according to Carpenter 1864
  • 'Liotia acuticostatus is corrected as Liotia acuticostata and belongs to Liotia' according to Kanakoff and Emerson 1959
  • 'Liotia acuticostatus is recombined as Parviturbo acuticostatus' according to Kern 1977
  • 'Liotia fenestrata belongs to Liotia' according to Carpenter 1864
  • 'Liotia fenestrata belongs to Liotia' according to Valentine and Meade 1961
  • 'Liracassis durhami belongs to Liracassis'
  • 'Littorina (Littorina) belongs to Littorina'
  • 'Lora is replaced by Oenopota'
  • 'Loxocardium etheringtoni belongs to Loxocardium' according to Effinger 1938
  • 'Loxocardium etheringtoni is recombined as Schedocardia etheringtoni'
  • 'Lucina acutilineata is recombined as Lucinoma acutilineata'
  • 'Lucina cumulata is recombined as Divaricella cumulata'
  • 'Thyasira gouldii is a subjective synonym of Thyasira flexuosa'
  • 'Lucina roseburgensis is recombined as Myrtucina roseburgensis'
  • 'Lucina turneri is recombined as Claibornites (Codalucina) turneri'
  • 'Lunatia oregonensis belongs to Lunatia' according to Conrad 1865
  • 'Lunatia oregonensis is recombined as Cryptonatica oregonensis'
  • 'Macoma brota belongs to Macoma'
  • 'Macoma brota belongs to Macoma' according to Woodring and Bramlette 1950
  • 'Macoma edentula middendorffi is recombined as Macoma (Macoma) middendorffi'
  • 'Macrocallista vaderensis is recombined as Tivelina vaderensis'
  • 'Mactra (Spisula) markleyensis is recombined as Mactromeris markleyensis'
  • 'Mactra exoleta is recombined as Mactrellona exoleta'
  • 'Malletia chehalisensis is recombined as Portlandia chehalisensis'
  • 'Mangelia cetolaca belongs to Mangelia' according to Dall 1908
  • 'Mangelia cetolaca is an objective synonym of Glyptaesopus oldroydi'
  • 'Mangelia interfossa is recombined as Perimangelia interfossa'
  • 'Mangelia interlirata is a subjective synonym of Perimangelia interfossa'
  • 'Mangelia tabulata belongs to Mangelia' according to Carpenter 1864
  • 'Mangelia tabulata is recombined as Lora tabulata' according to Clark 1931
  • 'Mangilia (Taranis) strongi is recombined as Decollidrillia strongi'
  • 'Mangilia oldroydi is recombined as Lora oldroydi' according to Soper and Grant 1932
  • 'Margarita acuticostata belongs to Margarita' according to Carpenter 1864
  • 'Margarita lirulata belongs to Margarita' according to Carpenter 1864
  • 'Margarita lirulata is recombined as Lirularia lirulata' according to Wright 1972
  • 'Margarita varicosa is recombined as Solariella (Solariella) varicosa'
  • 'Margarites (Lirularia) aresta is recombined as Pupillaria aresta' according to Vedder 1972
  • 'Margarites (Lirularia) aresta [misspelled as Margarites (Lirularia) arestus] belongs to Margarites (Lirularia)' according to Valentien 1958
  • 'Margarites (Margarites) sericeus is recombined as Margarites sericeus'
  • 'Margaritiphora mazatlanica is recombined as Pteria mazatlanica'
  • 'Marginella (Volutella) belongs to Marginella' according to Swainson 1831
  • 'Marginella (Volutella) was reranked as Volutella and belongs to Marginellidae' according to Carpenter 1864
  • 'Marginella californica is recombined as Hyalina californica' according to DeLong 1941
  • 'Marginella californica belongs to Marginella' according to Tomlin 1916
  • 'Marginella jewettii is recombined as Cystiscus jewetti' according to Valentine 1957
  • 'Marginella margaritula belongs to Marginella' according to Carpenter 1857
  • 'Marginella oldroydae is a subjective synonym of Gibberula subtrigona'
  • 'Marginella politula belongs to Marginella' according to Dall 1919
  • 'Marginella (Cystiscus) regularis is a subjective synonym of Gibberula subtrigona'
  • 'Marginella regularis belongs to Marginella' according to Carpenter 1864
  • 'Marginella regularis is recombined as Cystiscus regularis' according to Valentine 1957
  • 'Marginella regularis is recombined as Marginella (Cystiscus) regularis' according to Valentine 1958
  • 'Marginella subtrigona belongs to Marginella' according to Carpenter 1864
  • 'Marginella subtrigona is recombined as Cystiscus subtrigona' according to Valentine 1957
  • 'Marginella subtrigona is recombined as Gibberula subtrigona' according to Skoglund 2002
  • 'Venericardia (Leuroactis) smileyi is a subjective synonym of Venericardia (Pacificor) aragonia'
  • 'Meretrix olequahensis is recombined as Corbicula olequahensis'
  • 'Meretrix pittsburgensis is recombined as Macrocallista pittsburgensis'
  • 'Meretrix uvasana is recombined as Pitar uvasana'
  • 'Metis rostellata is recombined as Psammotreta (Leporimetis) rostellata'
  • 'Metis sespeensis belongs to Metis' according to Loel and Corey 1932
  • 'Microglyphus is corrected as Microglyphis and belongs to Ringiculidae'
  • 'Miopleiona oregonensis belongs to Miopleiona' according to Dall 1909
  • 'Miopleiona oregonensis is recombined as Fulgoraria oregonensis'
  • 'Mitra (Atrimitra) is reassigned into Strigatella' according to Dall 1919
  • 'Mitromorpha filosa barbarensis belongs to Mitromorpha filosa' according to Arnold 1907
  • 'Mitromorpha filosa barbarensis is recombined as Mitromorpha barbarensis' according to Valentine 1958
  • 'Mitromorpha barbarensis is a subjective synonym of Cymakra gracilior'
  • 'Modiolus eugenensis belongs to Modiolus' according to Clark 1925
  • 'Modiolus eugenensis belongs to Modiolus'
  • 'Modiolus trinominata belongs to Modiolus'
  • 'Moerella was reranked as Tellina (Moerella) and belongs to Tellina'
  • 'Monia was reranked as Pododesmus (Monia) and belongs to Pododesmus'
  • 'Moniliopsis chacei is a subjective synonym of Ophiodermella cancellata'
  • 'Morio (Sconsia) tuberculatus [misspelled as Galeodea tuberculata] belongs to Galeodea' according to Weaver and Palmer 1922
  • 'Mulinia eugenensis is recombined as Mactromeris eugenensis'
  • 'Mulinia eugenensis belongs to Mulinia' according to Clark 1925
  • 'Mulinia newcombei is recombined as Pseudocardium newcombei'
  • 'Mulinia yaquinensis belongs to Mulinia' according to Clark 1926
  • 'Mulinia yaquinensis belongs to Mulinia' according to Clark 1926
  • 'Mulinia yaquinensis is recombined as Pseudocardium yaquinense'
  • 'Murex (Muricidea) barbarensis is recombined as Ocinebrina barbarensis' according to McLean 1996
  • 'Murex (Phyllonotus) santarosana belongs to Murex (Phyllonotus)' according to Dall 1905
  • 'Murex (Phyllonotus) santarosana is recombined as Maxwellia santarosana' according to Kanakoff and Emerson 1959
  • 'Murex (Phyllonotus) santarosana is recombined as Murexiella santarosana' according to Skoglund 2002
  • 'Murex eldridgei is recombined as Jaton eldridgei' according to Stanton 1966
  • 'Murex foliata belongs to Murex' according to Gmelin 1791
  • 'Murex foliata is recombined as Purpura foliata' according to Soper and Grant 1932
  • 'Murex foveolatus belongs to Murex' according to Hinds 1844
  • 'Murex foveolatus is recombined as Ocinebra foveolata' according to Valentine and Meade 1961
  • 'Murex gemma is recombined as Purpura (Jaton) gemma' according to Soper and Grant 1932
  • 'Murex gemma belongs to Murex' according to Sowerby 1879
  • 'Muricidea subangulata belongs to Muricidea' according to Stearns 1873
  • 'Muricidea subangulata is recombined as Ocenebra subangulata' according to Kern 1973
  • 'Mya (Platyodon) cancellata is recombined as Platyodon cancellata' according to Weaver 1943
  • 'Mya abrupta is recombined as Panopea abrupta'
  • 'Mya arctica is recombined as Hiatella arctica'
  • 'Myadesma dalli belongs to Myadesma'
  • 'Mytilus hyotis is recombined as Hyotissa hyotis'
  • 'Mytilus pholadis is a subjective synonym of Hiatella arctica'
  • 'Nacella peltoides belongs to Nacella' according to Carpenter 1864
  • 'Narica ovoidea belongs to Narica' according to Gould 1853
  • 'Nassa cooperi is recombined as Nassarius mendicus cooperi' according to DeLong 1941
  • 'Nassa cooperi is recombined as Nassaria mendica cooperi' according to Dibblee 1966
  • 'Nassa fossatus coilotera belongs to Nassa fossatus' according to Woodring 1946
  • 'Nassa insculpta is recombined as Nassarius insculptus' according to Soper and Grant 1932
  • 'Nassa insculpta belongs to Nassa' according to Carpenter 1864
  • 'Nassa interstriata is a subjective synonym of Caesia perpinguis'
  • 'Nassa intastriata is corrected as Nassa interstriata and belongs to Nassa' according to Conrad 1856
  • 'Nassa mendica is recombined as Alectrion mendica' according to Jordan 1926
  • 'Nassa mendica [misspelled as Nassa mendicus] belongs to Nassa' according to Winterer and Durham 1962
  • 'Nassa mendica is recombined as Nassaria mendica' according to Dibblee 1966
  • 'Nassa mendica is recombined as Hima mendicus' according to Powell 2009
  • 'Nassa moraniana is recombined as Caesia moraniana'
  • 'Nassa newcombei is recombined as Molopophorus newcombei'
  • 'Nassa perpinguis belongs to Nassa' according to Hinds 1844
  • 'Nassa perpinguis is recombined as Nassarius (Schizopyga) perpinguis' according to Soper and Grant 1932
  • 'Nassa waldorfensis is a subjective synonym of Caesia californiana'
  • 'Natica clausa is recombined as Natica (Tectonatica) clausa' according to Soper and Grant 1932
  • 'Natica clausa is a subjective synonym of Cryptonatica affinis'
  • 'Neaera dolabraeformis is recombined as Cardiomya dolabraeformis'
  • 'Neaeromya (Isorobitella) belongs to Neaeromya' according to Keen 1962
  • 'Neaeromya (Isorobitella) was reranked as Isorobitella and belongs to Lasaeidae' according to Can 2000
  • 'Nemocardium ezoense belongs to Nemocardium' according to Takeda 1953
  • 'Nemocardium ezoense belongs to Nemocardium' according to Poorten 2003
  • 'Nemocardium ezoense belongs to Nemocardium'
  • 'Nemocardium formosum belongs to Nemocardium' according to Hickman 1969
  • 'Nemocardium formosum is recombined as Anechinocardium formosum'
  • 'Neverita russa belongs to Neverita' according to Gould 1859
  • 'Neverita russa is recombined as Tectonatica russa' according to Glen 1953
  • 'Tectonatica russa is a subjective synonym of Cryptonatica affinis'
  • 'Nucula aeolica belongs to Nucula' according to Valenciennes 1846
  • 'Nucula blancoensis is recombined as Acila (Truncacila) blancoensis'
  • 'Nucula declivis is recombined as Nucula (Nucula) declivis'
  • 'Nucula townsendi belongs to Nucula' according to Dall 1909
  • 'Nucula vitis belongs to Nucula' according to Anderson and Hanna 1925
  • 'Nuculana redondoensis belongs to Nuculana' according to Burch 1944
  • 'Ocinebra interfossa atropurpurea belongs to Ocinebra interfossa' according to Carpenter 1865
  • 'Ocinebra interfossa atropurpurea is recombined as Paciocinebrina atropurpurea'
  • 'Odostomia farallonensis is a subjective synonym of Aartsenia satura'
  • 'Odostomia (Miralda) hemphilli is recombined as Fargoa hemphilli'
  • 'Odostomia satura belongs to Odostomia' according to Carpenter 1864
  • 'Odostomia satura is recombined as Aartsenia satura'
  • 'Opalia chacei is recombined as Opalia wroblewskyi chacei' according to Kanakoff and Emerson 1959
  • 'Opalia chacei is recombined as Epitonium (Opalia) chacei' according to Valentine 1958
  • 'Opalia chacei belongs to Opalia' according to Strong 1937
  • 'Opalia chacei is a subjective synonym of Opalia borealis'
  • 'Ostrea eldridgei is recombined as Crenostrea eldridgei'
  • 'Ostrea erici is recombined as Pycnodonte erici'
  • 'Ostrea erici is recombined as Pycnodonte erici' according to Woodring and Bramlette 1950
  • 'Ostrea heermani is recombined as Pycnodonte heermanni'
  • 'Ostrea loeli is recombined as Pycnodonte loeli'
  • 'Ostrea lurida belongs to Ostrea'
  • 'Ostrea prismatica is recombined as Striostrea prismatica'
  • 'Ostrea stewarti is recombined as Phygraea stewarti'
  • 'Pachydesma inezana is recombined as Tivela (Pachydesma) inezana'
  • 'Paciocinebrina belongs to Ocinebrinae' according to Houart et al. 2019
  • 'Pandora laevis belongs to Pandora'
  • 'Pandora vanwinkleae is recombined as Pandora (Pandorella) vanwinkleae'
  • 'Panope snohomishensis is recombined as Panopea snohomishensis'
  • 'Patella (Lottia) scabra is recombined as Lottia scabra'
  • 'Patella aculeata is recombined as Bostrycapulus aculeatus'
  • 'Patella insessa belongs to Patella' according to Hinds 1842
  • 'Patella insessa is recombined as Lottia insessa'
  • 'Patella instabilis belongs to Patella' according to Gould 1846
  • 'Patella instabilis is recombined as Acmaea instabilis' according to Valentine and Meade 1961
  • 'Patella limatula is recombined as Lottia limatula'
  • 'Patelloida depicta belongs to Patelloida' according to Hinds 1842
  • 'Patelloida depicta is recombined as Acmaea depicta' according to Kanakoff and Emerson 1959
  • 'Patelloida triquetrus belongs to Patelloida'
  • 'Patinopecten (Lituyapecten) belongs to Patinopecten' according to MacNeil 1961
  • 'Patinopecten (Lituyapecten) lituyaensis belongs to Patinopecten (Lituyapecten)' according to MacNeil 1961
  • 'Pecten (Chlamys) cornwalli is recombined as Chlamys cornwalli'
  • 'Pecten (Chlamys) grunskyi is recombined as Chlamys grunskyi'
  • 'Pecten (Chlamys) landesi is recombined as Chlamys landesi'
  • 'Pecten (Chlamys) parmeleei is recombined as Swiftopecten parmeleei'
  • 'Pecten (Chlamys) sespeensis is recombined as Chlamys sespeensis'
  • 'Pecten (Chlamys) washburnei is recombined as Chlamys washburnei'
  • 'Pecten (Leptopecten) velero belongs to Pecten (Leptopecten)' according to Hertlein 1935
  • 'Pecten (Leptopecten) velero is recombined as Paraleptopecten velero'
  • 'Pecten (Leptopecten) velero is recombined as Leptopecten velero' according to Smith et al. 2006
  • 'Pecten (Lyropecten) dilleri is recombined as Lituyapecten dilleri'
  • 'Pecten (Patinopecten) healeyi is recombined as Patinopecten healeyi'
  • 'Pecten alockamanensis is recombined as Chlamys alockamanensis'
  • 'Pecten cerrosensis is recombined as Lyropecten cerrosensis'
  • 'Pecten (Plagioctenium) circularis is a subjective synonym of Argopecten ventricosus'
  • 'Pecten cowlitzensis is recombined as Chlamys cowlitzensis'
  • 'Pecten hemphillii is corrected as Pecten hemphilli and belongs to Pecten' according to Woodring and Bramlette 1950
  • 'Pecten hemphilli is a subjective synonym of Euvola bella'
  • 'Pecten islandicus behringiana is recombined as Chlamys behringiana'
  • 'Pecten stearnsii is recombined as Leopecten stearnsii'
  • 'Pecten vestalis is recombined as Spathochlamys vestalis'
  • 'Pectunculus maculatus is recombined as Glycymeris maculata'
  • 'Pectunculus nitens is recombined as Limopsis nitens'
  • 'Pectunculus strigilatus is recombined as Tucetona strigilata'
  • 'Pectunculus veatchi major is recombined as Glycymerita major'
  • 'Pectunculus veatchi major is recombined as Glycymeris major' according to Clark 1929
  • 'Pectunculus veatchi major is recombined as Glycymeris veatchii major' according to Arnold 1907
  • 'Pectunculus veatchi major is recombined as Glycymeris veatchii major' according to Arnold 1907
  • 'Perimangelia belongs to Mangeliidae' according to McLean 2000
  • 'Periploma stewartvillensis belongs to Periploma'
  • 'Peronidia was reranked as Tellina (Peronidia) and belongs to Tellina'
  • 'Petaloconchus macrophragma belongs to Petaloconchus'
  • 'Petricola (Petricola) belongs to Petricola'
  • 'Phaenomya vaderensis is recombined as Erodona vaderensis'
  • 'Phalium (Bezoardica) egberti is recombined as Liracassis egberti'
  • 'Phalium (Bezoardica) iani is recombined as Liracassis iani'
  • 'Phalium (Semicassis) louella is recombined as Galeodea louella'
  • 'Phanerolepida oregonensis belongs to Phanerolepida'
  • 'Phasianella compta belongs to Phasianella' according to Gould 1855
  • 'Phasianella compta is recombined as Tricolia compta' according to DeLong 1941
  • 'Phasianella compta pulloides belongs to Phasianella compta' according to Carpenter 1865
  • 'Pholadomya (Bucardiomya) mounti belongs to Pholadomya (Bucardiomya)' according to Zinsmeister 1978
  • 'Pholadomya (Bucardiomya) mounti is recombined as Bucardiomya mounti'
  • 'Phygraea badgeri belongs to Phygraea'
  • 'Pisania fortis angulata is recombined as Cantharus fortis angulata' according to Soper and Grant 1932
  • 'Calicantharus angulatus is a subjective synonym of Calicantharus fortis'
  • 'Pitar (Pitar) belongs to Pitar'
  • 'Pitar helenae is recombined as Pitar (Pitar) helenae'
  • 'Pitaria clarki is recombined as Lamelliconcha clarki'
  • 'Pitaria clarki is recombined as Pitar clarki' according to Warren 1945
  • 'Pitaria dalli is recombined as Pitar (Pitar) dalli'
  • 'Pitaria stocki is recombined as Pitar stocki'
  • 'Planorbis vermicularis is recombined as Gyraulus vermicularis' according to Harzhauser and Kowalke 2002
  • 'Planorbis vermicularis is corrected as Planorbis vermicularis and belongs to Planorbis' according to Gould 1847
  • 'Planorbis vermicularis is recombined as Gyraulus vermicularis' according to Henderson 1933
  • 'Planorbis vermicularis belongs to Planorbis' according to Stoliczka 1862
  • 'Plesiocystiscus belongs to Plesiocystiscinae' according to Coovert and Coovert 1995
  • 'Pleurotoma (Antiplanes) catalinae belongs to Pleurotoma (Antiplanes)' according to Raymond 1904
  • 'Pleurotoma (Antiplanes) catalinae is recombined as Antiplanes catalenae' according to Powell 2009
  • 'Pleurotoma (Antiplanes) thalaea belongs to Pleurotoma (Antiplanes)' according to Dall 1902
  • 'Pleurotoma (Borsonia) bartschi is recombined as Borsonia bartschi' according to Valentine 1958
  • 'Pleurotoma (Pleurotoma) belongs to Pleurotoma' according to Gabb 1865
  • 'Pleurotoma (Surcula) perversa is recombined as Spirotropis (Antiplanes) perversa' according to Soper and Grant 1932
  • 'Plicatula juncalensis belongs to Plicatula'
  • 'Plicatula lapidicina belongs to Plicatula'
  • 'Plicatula ostreiformis belongs to Plicatula'
  • 'Plicatula simiensis belongs to Plicatula'
  • 'Plicatula surensis belongs to Plicatula'
  • 'Plicatula trailerensis belongs to Plicatula'
  • 'Pododesmus newcombei is recombined as Pododesmus (Monia) newcombei'
  • 'Pomaulax turbanicus belongs to Pomaulax' according to Dall 1900
  • 'Poromya (Dermatomya) mactroides belongs to Poromya (Dermatomya)' according to Dall 1889
  • 'Poromya (Dermatomya) mactroides is recombined as Dermatomya mactroides'
  • 'Poromya teglandae belongs to Poromya' according to Weaver 1942
  • 'Psammobia californica belongs to Psammobia' according to Conrad 1849
  • 'Psammobia martini belongs to Psammobia' according to Dickerson 1917
  • 'Psammobia martini is recombined as Gari martini'
  • 'Psammobia olequahensis is recombined as Gari olequahensis'
  • 'Pseudocardium landesi belongs to Pseudocardium'
  • 'Pseudoliva kellettii belongs to Pseudoliva' according to A. Adams 1855
  • 'Pseudoliva kellettii is a subjective synonym of Macron aethiops'
  • 'Pseudomelatoma penicillata semiinflata is recombined as Crassispira (Burchia) semiinflata' according to Skoglund 2002
  • 'Pseudomelatoma penicillata semiinflata belongs to Pseudomelatoma penicillata' according to Grant and Gale 1931
  • 'Pseudomelatoma penicillata semiinflata is recombined as Crassispira seminflata' according to Powell 2009
  • 'Pseudomelatoma torosa somisensis is a subjective synonym of Pseudomelatoma torosa aurantia' according to Grant and Gale 1931
  • 'Pseudomelatoma torosa somisensis is a subjective synonym of Pseudomelatoma torosa aurantia' according to Grant and Gale 1931
  • 'Pteria berryi belongs to Pteria' according to Adegoke 1969
  • 'Pteria berryi belongs to Pteria'
  • 'Pteria clarki belongs to Pteria'
  • 'Pteria hertleini belongs to Pteria'
  • 'Pteria howei belongs to Pteria'
  • 'Pteria jordani belongs to Pteria'
  • 'Pteropurpura waldorfensis belongs to Pteropurpura' according to Arnold 1907
  • 'Pteropurpura waldorfensis is a subjective synonym of Urosalpinx subangulata'
  • 'Puncturella delosi belongs to Puncturella' according to Arnold 1907
  • 'Pycnodonte (Phygraea) pacifica is recombined as Phygraea pacifica'
  • 'Bursa californica is a subjective synonym of Crossata ventricosa'
  • 'Ranella muriciformis is recombined as Eupleura muriciformis'
  • 'Rimula galeata belongs to Rimula' according to Gould 1846
  • 'Rissoa acutelirata belongs to Rissoa' according to Carpenter 1864
  • 'Alvania acutelirata is a subjective synonym of Actonia compacta'
  • 'Rissoa acutelirata is recombined as Alvania acutilirata' according to Chace 1966
  • 'Rissoa compacta belongs to Rissoa' according to Carpenter 1864
  • 'Rissoina interfossa belongs to Rissoina' according to Carpenter 1864
  • 'Rissoina interfossa is recombined as Bittium interfossa' according to Jordan 1926
  • 'Rissoina kelseyi belongs to Rissoina' according to Dall and Bartsch 1902
  • 'Sanguinolaria (Nuttallia) townsendensis is recombined as Nuttallia townsendensis'
  • 'Saxicavella burnsi belongs to Saxicavella'
  • 'Scala wroblewskyi is recombined as Opalia wroblewskyi' according to Kanakoff and Emerson 1959
  • 'Scala wroblewskyi is a subjective synonym of Opalia borealis'
  • 'Scalaria (Psychrosoma) belongs to Scalaria' according to Tapparone-Canefri 1876
  • 'Scalaria (Psychrosoma) gouldii belongs to Scalaria (Psychrosoma)' according to Tapparone-Canefri 1876
  • 'Scalaria (Psychrosoma) gouldii is a subjective synonym of Opalia borealis'
  • 'Scalaria borealis belongs to Scalaria' according to Keep 1881
  • 'Semele incongrua belongs to Semele' according to Carpenter 1864
  • 'Semele incongrua is a subjective synonym of Amphidesma venusta'
  • 'Semele willamettensis belongs to Semele' according to Hickman 1969
  • 'Semele willamettensis belongs to Semele'
  • 'Septifer elegans belongs to Septifer'
  • 'Skenea cyclostoma is a subjective synonym of Skeneopsis smithi'
  • 'Solariella (Machaeroplax) cicca is recombined as Solariella (Solariella) cicca'
  • 'Solariella crescentensis is recombined as Solariella (Solariella) crescentensis'
  • 'Solariella olequahensis is recombined as Solariella (Solariella) olequahensis'
  • 'Solariella peramabilis [misspelled as Solariella permabilis] belongs to Solariella' according to Dibblee 1966
  • 'Solariella peramabilis belongs to Solariella' according to Carpenter 1864
  • 'Solariella rhyssa belongs to Solariella' according to Dall 1919
  • 'Minolia rhyssa is a subjective synonym of Minolia peramabilis'
  • 'Solemya ventricosa is recombined as Acharax ventricosa'
  • 'Solen altus belongs to Solen' according to Broderip and Sowerby I 1829
  • 'Solen altus is recombined as Siliqua alta'
  • 'Solen conradi is recombined as Solena (Plectosolen) conradi'
  • 'Solen eugenensis is recombined as Solena (Eosolen) eugenensis'
  • 'Solen medius belongs to Solen' according to Sowerby I 1839
  • 'Siliqua media is a subjective synonym of Siliqua alta'
  • 'Solen perrini is recombined as Solena (Eosolen) perrini'
  • 'Solen perrini belongs to Solen' according to Woodring and Bramlette 1950
  • 'Solena (Eosolen) belongs to Solena'
  • 'Spissula catilliformis is recombined as Mactromeris catilliformis'
  • 'Spissula catilliformis is recombined as Mactra (Spisula) catilliformis' according to Grant and Gale 1931
  • 'Spissula catilliformis alcatrazensis belongs to Spissula catilliformis' according to Arnold 1907
  • 'Spissula catilliformis alcatrazensis belongs to Spissula catilliformis' according to Arnold and Anderson 1907
  • 'Spisula (Hemimactra) hannibali is recombined as Mactromeris hannibali'
  • 'Spisula (Hemimactra) hannibali is recombined as Spisula (Mactromeris) hannibali' according to Weaver 1943
  • 'Spisula (Hemimactra) mercedensis is recombined as Mactromeris mercedensis'
  • 'Spisula aequilateralis is recombined as Mactromeris aequilateralis'
  • 'Spisula capayana is recombined as Mactromeris capayana'
  • 'Spisula granti is recombined as Hybolophus granti'
  • 'Spisula mercedensis belongs to Spisula' according to Packard 1916
  • 'Spisula mercedensis is a subjective synonym of Mactromeris catilliformis'
  • 'Spisula pittsburgensis is recombined as Mactromeris pittsburgensis'
  • 'Stramonita petrosa is recombined as Liracassis petrosa'
  • 'Strigatella (Atrimitra) catalinae belongs to Strigatella (Atrimitra)' according to Dall 1919
  • 'Strigatella (Atrimitra) catalinae is recombined as Strigatella catalinae' according to Jordan 1926
  • 'Strigatella (Atrimitra) catalinae is recombined as Mitra catalinae' according to Valentine 1957
  • 'Sulcosipho was reranked as Neptunea (Sulcosipho) and belongs to Neptunea'
  • 'Teinostoma (Pseudorotella) salvania belongs to Teinostoma (Pseudorotella)' according to Dall 1919
  • 'Teinostoma (Pseudorotella) salvania is a subjective synonym of Vitrinella eschnaurae'
  • 'Teinostoma salvania belongs to Teinostoma' according to Dall 1919
  • 'Vitrinella salvania is a subjective synonym of Vitrinella eschnaurae'
  • 'Tellina (Angulus) carpenteri is recombined as Tellina carpenteri' according to Valentine 1958
  • 'Tellina (Moerella) nuculana belongs to Tellina (Moerella)' according to Dall 1909
  • 'Tellina (Moerella) nuculana is recombined as Ennucula nuculana'
  • 'Tellina balthica is recombined as Macoma (Macoma) balthica'
  • 'Tellina dombei is recombined as Psammotreta (Leporimetis) dombei'
  • 'Tellina flexuosa belongs to Tellina' according to Montagu 1803
  • 'Tellina fucata is recombined as Gari fucata' according to Muhs 2014
  • 'Tellina gibsonensis is recombined as Thracia gibsonensis'
  • 'Terebra simplex is recombined as Laevihastula simplex'
  • 'Thracia (Cetothrax) belongs to Thracia'
  • 'Thracia (Crassithracia) belongs to Thracia'
  • 'Thracia (Crassithracia) belongs to Thracia' according to Soot-Ryen 1941
  • 'Thracia (Odoncineta) belongs to Thracia' according to O. G. Costa 1830
  • 'Thracia (Odoncineta) belongs to Thracia' according to Coan 1990
  • 'Thracia (Odoncineta) belongs to Thracia'
  • 'Thracia (Odoncineta) bereniceae belongs to Thracia (Odoncineta)' according to Coan 1990
  • 'Thracia (Odoncineta) bereniceae belongs to Thracia (Odoncineta)'
  • 'Thracia challisiana belongs to Thracia' according to Dall 1915
  • 'Thracia condoni is recombined as Thracia (Cetothrax) condoni'
  • 'Thracia curta is recombined as Thracia (Ixartia) curta'
  • 'Thracia septentrionalis is recombined as Thracia (Crassithracia) septentrionalis'
  • 'Thracia squamosa is recombined as Thracia (Odoncineta) squamosa'
  • 'Thracia squamosa belongs to Thracia' according to Carpenter 1856
  • 'Tornatina harpa is recombined as Retusa harpa' according to Chace 1966
  • 'Tornatina harpa belongs to Tornatina' according to Dall 1871
  • 'Tornatina harpa is recombined as Coleophysis harpa' according to Valentine and Meade 1961
  • 'Trigonulina ornata belongs to Trigonulina'
  • 'Tritonalia coryphaena is recombined as Ocinebra coryphaena' according to Valentine and Meade 1961
  • 'Tritonalia coryphaena is recombined as Ocinebrina coryphaena' according to Valentine and Meade 1961
  • 'Tritonalia clathrata is a subjective synonym of Paciocinebrina atropurpurea'
  • 'Trochiscus norrisii belongs to Trochiscus' according to G. B. Sowerby I 1838
  • 'Trochiscus norrisii is recombined as Norrisia norrisii' according to Jordan 1926
  • 'Trochita radians belongs to Trochita'
  • 'Trochus (Monodonta) aureotinctus belongs to Trochus (Monodonta)' according to Forbes 1852
  • 'Trochus (Monodonta) aureotinctus is recombined as Tegula aureotincta' according to Jordan 1926
  • 'Trochus (Monodonta) aureotinctus is recombined as Tegula (Agathistoma) aureotincta' according to Skoglund 2002
  • 'Trochus annulatus belongs to Trochus' according to Lightfoot 1786
  • 'Trochus canaliculatus belongs to Trochus' according to Lightfoot 1786
  • 'Trochus canaliculatus is recombined as Calliostoma dolarius canaliculatum' according to Kanakoff and Emerson 1959
  • 'Trochus doliarius belongs to Trochus' according to Chemnitz 1788
  • 'Trochus doliarius is a subjective synonym of Calliostoma canaliculatum'
  • 'Trochus doliarius [misspelled as Calliostoma dolarius] belongs to Calliostoma' according to Kanakoff and Emerson 1959
  • 'Trochus gibberosus is recombined as Pomaulax gibberosa' according to Powell 2009
  • 'Trochus inaequalis belongs to Trochus' according to Martyn 1784
  • 'Trochus inaequalis is recombined as Astraea (Pachypoma) inaequalis' according to Valentine 1958
  • 'Trochus montereyi belongs to Trochus' according to Kiener 1850
  • 'Trochus montereyi is recombined as Chlorostoma montereyi'
  • 'Trochus pupillus is recombined as Margarites pupillus' according to Clark 1931
  • 'Trochus pupillus belongs to Trochus' according to Gould 1849
  • 'Trochus virgineus belongs to Trochus' according to Chemnitz 1789
  • 'Trochus virgineus is recombined as Zizyphinus virgineus' according to Dibblee 1966
  • 'Calliostoma virgineus is a subjective synonym of Calliostoma annulatum'
  • 'Trophon (Boreotrophon) pedroana is recombined as Boreotrophon pedroanus' according to Powell 2009
  • 'Trophon triangulatus belongs to Trophon' according to Carpenter 1864
  • 'Turbo sanguineus is recombined as Leptothyra sanguinea' according to Dall 1885
  • 'Turbonilla (Pyrgiscus) antestriata is recombined as Pyrgiscus antestriatus'
  • 'Turbonilla (Pyrgolampros) arnoldi is recombined as Turbonilla arnoldi' according to Woodring and Bramlette 1950
  • 'Turbonilla aspera is recombined as Bittium (Lirobittium) asperum' according to Bartsch 1911
  • 'Turcica imperialis belongs to Turcica' according to A. Adams 1864
  • 'Turcicula arnoldi is recombined as Bathybembix arnoldi'
  • 'Turcicula bairdii belongs to Turcicula' according to Dall 1889
  • 'Turcicula columbiana is recombined as Bathybembix columbiana'
  • 'Turcicula santacruzensis belongs to Turcicula' according to Arnold 1908
  • 'Turcicula santacruzensis is recombined as Bathybembix santacruzensis'
  • 'Turcicula turbonata is recombined as Bathybembix turbonata'
  • 'Turcicula washingtoniana is recombined as Bathybembix washingtoniana'
  • 'Turritella gonostoma belongs to Turritella'
  • 'Turritella keaseyensis belongs to Turritella'
  • 'Turritella pittsburgensis belongs to Turritella'
  • 'Turritella porterensis belongs to Turritella'
  • 'Turritella uvasana belongs to Turritella'
  • 'Urosyca robusta is recombined as Priscoficus robustus'
  • 'Urosyca robusta belongs to Urosyca' according to Dickerson 1914
  • 'Venerella (Compsomyax) belongs to Venerella' according to Weaver 1943
  • 'Venericardia (Cyclocardia) californica is recombined as Coanicardita californica'
  • 'Venericardia (Cyclocardia) hannibali belongs to Venericardia (Cyclocardia)' according to Clark 1925
  • 'Venericardia (Cyclocardia) hannibali is recombined as Venericardia hannibali' according to Weaver 1942
  • 'Venericardia (Cyclocardia) hannibali is recombined as Cyclocardia hannibali'
  • 'Venericardia (Glyptoactis) keenae is recombined as Glyptoactis (Claibornicardia) keenae'
  • 'Venericardia (Pacificor) argentea is a subjective synonym of Glyptoactis (Claibornicardia) keenae'
  • 'Venericardia (Pacificor) gabbi is a subjective synonym of Venericardia (Pacificor) calafia'
  • 'Venericardia (Pacificor) transversaria is a subjective synonym of Venericardia (Pacificor) nelsoni'
  • 'Venericardia (Pacificor) weaveri is a subjective synonym of Venericardia (Pacificor) clarki'
  • 'Venericardia (Venericor) hornii calafia is recombined as Venericardia (Pacificor) calafia'
  • 'Venericardia barbarensis is recombined as Hippocampocardia barbarensis'
  • 'Venericardia castor is recombined as Cyclocardia castor'
  • 'Venericardia clarki is recombined as Venericardia (Pacificor) clarki'
  • 'Venericardia hannai is recombined as Cyclocardia hannai'
  • 'Venericardia hannai belongs to Venericardia' according to Tegland 1933
  • 'Venericardia (Pacificor) lutmani is a subjective synonym of Venericardia (Pacificor) calafia'
  • 'Venericardia planicosta merriami is recombined as Venericardia (Pacificor) merriami'
  • 'Venericardia planicosta venturensis is recombined as Venericardia (Venericor) venturensis'
  • 'Venus borealis is recombined as Astarte borealis'
  • 'Venus fordii is recombined as Ventricola fordii' according to Valentine 1958
  • 'Vermetus anellum belongs to Vermetus' according to Mörch 1861
  • 'Vitreolina was reranked as Balcis (Vitreolina) and belongs to Balcis' according to Valentine 1958
  • 'Vitrinella eschnaurae belongs to Vitrinella' according to Bartsch 1907
  • 'Vitrinella smithi belongs to Vitrinella' according to Bartsch 1927
  • 'Volutella pyriformis belongs to Volutella' according to Carpenter 1864
  • 'Volutella pyriformis is recombined as Marginella (Cypraeolina) pyriformis' according to Valentine 1958
  • 'Cypraeolina pyriformis is a subjective synonym of Granulina margaritula'
  • 'Volutella pyriformis is recombined as Gibberulina pyriformis' according to Valentine 1962
  • 'Volvarina taeniolata belongs to Volvarina' according to Mörch 1860
  • 'Yoldia martyria is recombined as Yoldia (Megayoldia) martyria'
  • 'Yoldia montereyensis is recombined as Yoldia (Megayoldia) montereyensis'
  • 'Yoldia orcia belongs to Yoldia' according to Dall 1916
  • 'Yoldia orcia is recombined as Yoldiella orcia'
  • 'Yoldia scissurata is a subjective synonym of Yoldia (Cnesterium) aeolica'
  • 'Yoldia seminuda is a subjective synonym of Yoldia (Cnesterium) aeolica'