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Mactroidea

Bivalvia - Cardiida

Synonymy list
YearName and author
1809Mactracea Lamarck
1904Mactracea Glenn p. 284
1931Mactracea Olsson p. 66
1980Mactracea Vokes p. 134
1983Mactracea Gliozzi and Malatesta p. 98
1987Mactracea Squires p. 67
1987Mactracea Ward and Blackwelder p. 130
1989Mactracea Saul p. 198
1992Mactroidea Ward p. 93
2000Mactroidea Coan et al. p. 259
2006Mactroidea Bieler and Mikkelsen p. 233
2006Mactroidea Rosenberg et al.
2009Mactroidea Nevesskaja
2010Mactroidea Bouchet et al.
2011Mactroidea Carter et al. p. 16

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
RankNameAuthor
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—Veneroidei(Gray 1854)
—VeneroiteiGray 1854
superfamilyMactroidea(Lamarck 1809)
superfamilyMactroidea(Lamarck 1809)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Superfm. Mactroidea Lamarck 1809
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Fm. Anatinellidae Deshayes 1853
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Subfm. Anatinellinae Deshayes 1853
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G. Anatinella Sowerby 1833
Subfm. Kymatoxinae Stenzel and Krause 1957
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G. Anatina Schumacher 1817
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†Anatina amici Stoppani 1865
Anatina anatina Spengler 1802
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Invalid names: Anatina pellucida Schumacher 1817 [synonym], Lutraria lineata Say 1822 [synonym], Mactra nuttallii Reeve 1854 [synonym], Mactra papyracea Lamarck 1818 [synonym], Mactra recurva Wood 1828 [synonym]
†Anatina arcuata Forbes 1846
†Anatina arista Stoppani 1865
†Anatina austinensis Shattuck 1903
†Anatina baldassari Stoppani 1865
Anatina cyprinus Wood 1928
†Anatina gladius Laube 1865
†Anatina lata Gabb 1864
†Anatina millepunctata Vogel 1895
†Anatina parvula Thurmann and Etallon 1862
†Anatina passeri Stoppani 1865
†Anatina praecursor Oppel 1858
†Anatina putatoria White 1887
†Anatina roseburgensis Hendon 1938
†Anatina shattucki Adkins 1928
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Invalid names: Anatina texana Shattuck 1903 [replaced]
†Anatina suessi Oppel 1858
†Anatina zannoni Stoppani 1865
G. †Kymatox Stenzel et al. 1957
G. †Pteropsella Vokes 1956
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†Pteropsella lapidosa Conrad 1846
G. Raeta Gray 1853
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Subg. Raeta (Raeta) Gray 1853
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Invalid names: Lutraria canaliculata Say 1822 [synonym], Mactra campechensis Gray 1825 [synonym], Raeta perspicua Hutton 1873 [synonym]
Subg. †Raeta (Raetella) Dall 1898
Subg. †Raeta (Raetina) Dall 1898
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†Raeta transmontana Conrad 1856
Raeta undulata Gould 1851 [Pacific duckclam]
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Invalid names: Labiosa (Raeta) gabbi Pilsbry and Johnson 1917 [synonym], Labiosa (Raeta) gardnerae Spieker 1922 [synonym], Labiosa (Raeta) hasletti Anderson 1929 [synonym], Raeta gibbosa Gabb 1870 [synonym]
Invalid names: Lovellia Mayer-Eymar [synonym]
Invalid names: Pteropsellinae Keen 1969 [synonym]
Fm. Cardiliidae Fischer 1887
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G. Cardilia Deshayes 1835
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†Cardilia semisulcata Lamarck 1819
G. †Cardilona
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†Cardilona bensoni Marwick 1943
Fm. Mactridae Lamarck 1809
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G. †Darcinia Clark and Durham 1946
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†Darcinia columbiana Clark and Durham 1946
Subfm. Darininae Signorelli 2011
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G. Darina Gray 1853
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Darina rustica Huber 2010
Darina solenoides King and Broderip 1832
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Invalid names: Darina declivis Carpenter 1864 [synonym], Lutraria kingi Fischer 1887 [synonym], Lutraria tenuis Philippi 1845 [synonym]
G. †Leptomactra Ward 1992
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†Leptomactra curtidens Dall 1898
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Invalid names: Spisula (Hemimactra) chesapeakensis Glenn 1904 [synonym]
†Leptomactra delumbis Conrad 1832
†Leptomactra valhosierr Gardner 1947
G. Longimactra Finlay 1928
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Longimactra elongata Quoy and Gaimard 1834
†Longimactra flemingi Marwick 1960
Subfm. Lutrariinae Adams and Adams 1856
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G. †Heterocardia Deshayes 1855
G. Lutraria Lamarck 1799
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Subg. Lutraria (Cryptodon) Turton 1822
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Cryptodon sinuosum Donovan 1801
Subg. Lutraria (Lutraria) Lamarck 1799
Lutraria australis Deshayes 1855
Lutraria elliptica Lamarck 1807
Lutraria lutraria Linnaeus 1767
Lutraria maxima Jonas 1844
†Lutraria oblonga Gmelin 1791
†Lutraria papyria Conrad 1833
Lutraria traskei Conrad 1855
Lutraria ventricosa Goldfuss 1840
G. †Lutromactra Iredale 1929
G. †Meropesta Iredale 1929
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†Meropesta nicobarica Gmelin 1791
G. Tresus Gray 1853
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Tresus allomyax Coan and Valentich-Scott 2000
Tresus capax Gould 1850 [fat gaper]
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Invalid names: Lutraria maxima Middendorff 1849 [synonym]
Tresus nuttallii Conrad 1837 [Pacific gaper]
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Invalid names: Lutraria inflata Dunker 1853 [synonym], Schizothaerus nuttallii bighopensis Henderson 1931 [invalid subgroup], Spisula longa Dall 1921 [synonym]
Tresus pajaroanus Conrad 1857 [lost gaper]
†Tresus saxadomoides Clark 1918
Invalid names: Schizothaerus Conrad 1853 [synonym]
Subfm. Mactrinae Lamarck 1809
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G. †Aliomactra Stephenson 1953
G. †Allomactra Tomlin 1931
G. †Andrusella Korobkov 1954
G. †Avimactra Andrussov 1905
G. †Crepispisula Eames 1957
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G. †Cryptomactra Andrussov 1902
G. †Cymbophora Gabb 1869
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†Cymbophora bella Saul 1974
†Cymbophora buttensis Anderson 1958
†Cymbophora gabbiana Anderson 1902
†Cymbophora moevusi Coquand 1862
†Cymbophora nitidula Meek and Hayden 1861
†Cymbophora ochilleana Stephenson 1956
†Cymbophora okadakensis Tamura 1977
†Cymbophora popenoei Saul 1974
†Cymbophora stantoni Arnold 1908
†Cymbophora suciensis Whiteaves 1879
†Cymbophora triangulata Waring 1917
†Cymbophora warrenana Meek and Hayden 1856
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Invalid names: Cymbophora formosa Meek and Hayden 1856 [synonym]
G. †Diaphoromactra Iredale 1930
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G. †Eopapyrina Woodring 1982
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G. †Geltena Stephenson 1946
G. Harvella Gray 1853
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Harvella elegans Sowerby 1825
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Invalid names: Harvella elegans tucilla Olsson 1932 [invalid subgroup], Harvella pacifica Conrad 1867 [synonym], Mactra (Harvella) sanctiblasii Maury 1925 [synonym], Mactra estrellana Olsson 1922 [synonym], Raeta maxima Li 1930 [synonym]
†Harvella sincola Olsson 1922
G. Labiosa Schmidt 1832
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Subg. Labiosa (Labiosa) Schmidt 1832
G. Mactra Linnaeus 1767 [duck clam]
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Subg. †Mactra (Barymactra) Cossmann 1909
Subg. †Mactra (Electomactra) Iredale 1930
Subg. †Mactra (Electromactra) Ludbrook 1955
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Subg. Mactra (Heteromactra) Lamy 1906
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†Mactra (Heteromactra) grateloupi Cossmann and Peyrot 1909
Subg. Mactra (Mactra) Linnaeus 1767
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Subg. Mactra (Maorimactra) Finlay 1928
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†Mactra (Maorimactra) bodmani Stilwell and Zinsmeister 1992
†Maorimactra acuminella Finlay 1930
Subg. †Mactra (Nannomactra) Iredale 1930
†Mactra achatina Holten 1802
†Mactra artopta Wood 1850
†Mactra auca d'Orbigny 1842
†Mactra austeniana Maury 1912
†Mactra axiniformis Tate 1887
†Mactra clathrodon Lea 1833
Mactra cleryana d'Orbigny 1846
†Mactra constricta Wood 1850
†Mactra darwinii Sowerby 1846
Mactra deshayesii Mayer 1867
†Mactra dissimilis Reeve 1845
†Mactra emmonsi Meek 1877
Mactra epidermia Reeve 1854
†Mactra funerata Conrad 1848
†Mactra gibbsana Meek 1861
†Mactra hamiltonensis Tate 1887
†Mactra incomatensis Rennie 1936
†Mactra irizari Wilckens 1912
†Mactra lilacea Lamarck 1818
†Mactra mekranensis Newton 1905
Mactra mera Reeve 1854
†Mactra mississippiensis Conrad 1848
Mactra nuttallii Conrad 1837
Mactra ovalis Sowerby 1817
Mactra papyracea Gmelin 1791
Mactra patagonica d'Orbigny 1846
†Mactra pellucida Gmelin 1791
†Mactra procrassa Wood 1850
†Mactra pusilla Philippi 1887
†Mactra queenslandica Smith 1914
Mactra solida Linnaeus 1758
Mactra stultorum Linnaeus 1758
†Mactra tripartita Forbes 1846
Mactra truncata Montague 1808
†Mactra tumbezia Olsson 1931
†Mactra tumida Bohm 1926
†Mactra turgida Gmelin 1791
Mactra utahensis Meek 1877
Invalid names: Mactra diegoana Conrad 1855 [nomen dubium], Trigonella da Costa 1778 [objective synonym]
G. Mactrellona Marks 1915
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Mactrellona alata Spengler 1802
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Invalid names: Mactra carinata Lamarck 1818 [synonym], Mactra concentrica Bory de Saint Vincent 1827 [synonym], Mactra laevigata Schumacher 1817 [synonym]
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Invalid names: Lutraria ventricosa Gould 1851 [synonym]
†Mactrellona tumbezia Olsson 1921
G. Mactrinula Gray 1853
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Mactrinula tryphera Melvill 1899
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†Mactrodesma subponderosa d'Orbigny 1852
G. Mactromeris Conrad 1868
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†Mactromeris abbotti Wiedey 1928
†Mactromeris acutirostrata Packard 1916
†Mactromeris beali Hall and Ambrose 1916
†Mactromeris bisculpturata Anderson and Hanna 1925
†Mactromeris brevirostrata Packard 1916
†Mactromeris capayana Vokes 1939
Mactromeris catilliformis Conrad 1867 [narrow dish surfclam]
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Invalid names: Spissula catilliformis alcatrazensis Arnold 1907 [synonym], Spisula mercedensis Packard 1916 [synonym]
†Mactromeris coalingensis Arnold 1909
†Mactromeris eugenensis Clark 1925
†Mactromeris gaviotaensis Conrad 1854
†Mactromeris hannibali Clark and Arnold 1923
Mactromeris hemphillii Dall 1894 [Hemphill's dish clam]
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Invalid names: Spisula camaronis Dall 1921 [synonym]
†Mactromeris mercedensis Packard 1916
†Mactromeris merriami Packard 1916
†Mactromeris montereyana Arnold 1908
†Mactromeris muliniaformis Wagner and Schilling 1923
Mactromeris polynyma Stimpson 1860 [Arctic surf clam]
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Invalid names: Callista voyi Gabb 1866 [synonym], Mactra grayana Schrenk 1867 [synonym], Mactra loebbeckeana Weinkauff 1881 [synonym], Mactra ovalis Gould 1841 [replaced], Spisula alaskana Dall 1894 [synonym], Spisula korolevae Zhidkova et al 1972 [synonym], Spisula vladivostokensi Bartsch 1929 [synonym], Spisula voyi Gabb 1866 [synonym]
†Mactromeris ramonensis Packard 1916
†Mactromeris rushi Wagner and Schilling 1923
†Mactromeris sectoris Anderson and Martin 1914
†Mactromeris sisquocensis Arnold 1907
†Mactromeris tejonensis Packard 1916
†Mactromeris trampasensis Packard in Clark 1915
†Mactromeris weaveri Dickerson 1914
Invalid names: Spisula hemphillii orcutti Manger 1934 [invalid subgroup]
G. Mulinia Gray 1837
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†Mulinia alta Packard 1916
Mulinia bicolor Gray 1837
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Invalid names: Cumingia clerii Adams 1850 [synonym], Mactra jousseaumei Mabille and Rochebrune 1889 [synonym], Mactra lotensis Philippi 1893 [synonym], Mactra magellanica Philippi 1893 [synonym], Mactra pencana Philippi 1893 [synonym]
†Mulinia chilota Frassinetti 1997
Mulinia cleryana d'Orbigny 1846
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Invalid names: Gnathodon cantrainei Sowerby in Reeve 1873 [synonym], Mactra carinulata Reeve 1854 [synonym], Mactra guadelupensis Récluz 1852 [synonym], Mulinia branneri Dall 1901 [synonym], Mulinia portoricensis Shuttleworth 1856 [synonym]
†Mulinia congesta Conrad 1833
Mulinia edulis King 1831
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Invalid names: Mactra cojimbensis Anton 1837 [synonym], Mactra coquimbana Philippi 1887 [synonym], Mactra cuneola Gould 1850 [synonym], Mactra gabbi Tryon 1870 [synonym], Mactra marcida Gould 1850 [synonym], Mactra rodatzi Dunker 1850 [synonym], Mulinia antarctica Paetel 1883 [synonym], Mulinia typica Gray 1837 [synonym]
Mulinia exalbida Gray 1837
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Invalid names: Mactra calbucana Philippi 1893 [synonym], Mactra cibaria Philippi 1893 [synonym], Mactra jonasi Philippi 1893 [synonym]
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Invalid names: Mactra rostrata Philippi 1849 [synonym]
Mulinia levicardo Smith 1881
Mulinia milesii Holmes 1858
Mulinia modesta Dall 1894
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Invalid names: Mactra coloradoensis Dall 1894 [synonym], Mulinia coloradoensis Dall 1894 [synonym], Mulinia coloradoensis acuta Dall 1894 [synonym]
Mulinia pallida Broderip and Sowerby 1829 [pale razor clam]
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Invalid names: Corbula altirostris Li 1930 [synonym], Mactra (Mulinia) bistrigata Mörch 1861 [synonym], Mactra angulata Reeve 1854 [synonym], Mactra goniata Deshayes 1855 [synonym], Mactra lacinata Carpenter 1856 [synonym], Mulinia bradleyi Dall 1894 [synonym], Mulinia camina Pilsbry and Olsson 1941 [synonym], Mulinia donaciformis Gray 1837 [synonym]
†Mulinia undulifera Packard 1916
†Mulinia yaquinensis Clark 1926
G. †Nannomactra Iredale 1930
G. Notospisula Iredale 1930
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Subg. Notospisula (Notospisula) Iredale 1930
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†Spistula (Notospistula) austini Lamprell and T. 1990
Spisula (Notospisula) trigonella Lamarck 1818 [Trigonal Mactra]
G. †Nymphactra Stilwell and Zinsmeister 1992
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†Nymphactra jonasseni Stilwell and Zinsmeister 1992
G. †Ovamactra Woodring 1982
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†Ovamactra cyma Woodring 1982
G. Oxyperas Mörch 1853
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†Oxyperas callistoides Olsson 1928
†Oxyperas deserta Olsson 1928
†Oxyperas parinensis Olsson 1928
†Oxyperas steinmanni Olsson 1931
G. †Priscomactra Stephenson 1953
G. Pseudocardium Gabb 1866
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†Pseudocardium densatum Conrad 1856
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Invalid names: Cardium gabbii Rémond 1863 [synonym], Mulinia oregonensis Dall 1909 [synonym]
†Pseudocardium landesi Weaver 1912
†Pseudocardium meganosensis Clark and Woodford 1927
†Pseudocardium newcombei Clark and Arnold 1923
†Pseudocardium orthomorpha Grant and Gale 1931
†Pseudocardium pabloensis Packard 1916
†Pseudocardium packardi Dickerson 1917
†Pseudocardium panzanum Loel and Corey 1932
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Invalid names: Spisula (Pseudocardium) kurikoma Nomura 1935 [synonym]
G. Rangia Des Moulins 1832
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Subg. Rangia (Rangia) des Moulins 1832
+
+
Invalid names: Gnathodon nasutus Dall 1884 [synonym], Rangia cyrenoides Des Moulins 1832 [synonym]
Subg. Rangia (Rangianella) Conrad 1868
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Invalid names: Gnathodon rostratum Petit de la Saussaye 1853 [synonym]
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Invalid names: Gnathodon trigonum Petit de la Saussaye 1853 [synonym], Gnathodon truncatum Petit de la Saussaye 1853 [synonym]
Rangia lecontei Conrad 1853
G. Scalpomactra Finlay 1928
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†Scalpomactra glabra Sowerby 1846
G. Simomactra Dall 1894
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Simomactra dolabriformis Conrad 1867 [hatchet surfclam]
Simomactra falcata Gould 1850 [hooked surfclam]
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Invalid names: Anisodonta pellucida Dall 1916 [synonym]
Simomactra planulata Conrad 1837 [flat surfclam]
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Invalid names: Spisula strongi Burch 1945 [synonym]
Invalid names: Symmorphomactra [synonym]
G. Spisula Gray 1837
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Subg. †Spisula (Cymbophora) Gabb 1869
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Subg. †Spisula (Eomactra) Cossmann 1909
Subg. Spisula (Hemimactra) Swainson 1840
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+
Invalid names: Spisula sayii Gray 1837 [synonym]
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Invalid names: Mactra gigantea Lamarck 1818 [synonym], Mactra procera Dillwyn 1817 [synonym], Mactra similis Say 1822 [synonym]
†Spisula (Hemimactra) sookensis Clark and Arnold 1923
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†Spisula (Ruellia) bernayi Cossmann 1886
Subg. Spisula (Spisula) Gray 1837
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†Spisula (Spisula) caleta Olsson 1928
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Invalid names: Mactra epidermia Philippi 1893 [synonym]
Spisula (Spisula) guidoi Signorelli and Scarabino 2010
Spisula (Spisula) marplatensis Doello-Jurado 1918
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Invalid names: Mactra symmetrica Reeve 1854 [synonym]
†Spisula (Spisula) summa Olsson 1928
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Invalid names: Simomactra hoffstetteri Cauquoin 1969 [synonym], Spisula adamsi Olsson 1961 [synonym]
Subg. †Spisula (Stereomactra) Stewart 1930
Spisula arcuata Sowerby 1817
†Spisula brombachensis Schneider and Mandic 2014
†Spisula compressa Deshayes 1832
†Spisula craspedota Gardner 1947
†Spisula decisa palmaris Harris 1919
†Spisula dernburgi Böhm 1913
Spisula elliptica Brown 1827
†Spisula hannibali Clark and Arnold 1923
Spisula hemphillii Dall 1894 [Hemphill's dish clam]
†Spisula obtruncata Wood 1850
†Spisula parilis Conrad 1833
†Spisula praetanius Conrad 1833
†Spisula praetenuis Conrad 1833
†Spisula rappahannockensis Gardner 1944
†Spisula semisulcata Lamarck 1805
†Spisula sookensis Clark and Arnold 1923
†Spisula sorachiensis Otatsume 1933
†Spisula subcuneata Conrad 1838
Spisula subtruncata da Costa 1778
†Spisula twinensis Clark 1925
†Spisula veneriformis Clark 1925
Invalid names: Spisulina Fischer 1887 [synonym]
G. Standella Gray 1853
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Subg. Standella (Mactroderma) Dall 1894
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Standella (Mactroderma) isthmica Pilsbry and Lowe 1932
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Invalid names: Mactra (Micromactra) fonsecana Hertlein and Strong 1950 [synonym], Mactra (Micromactra) vanattae Pilsbry and Lowe 1932 [synonym], Mactra (Micromactra) vanattae acymata Pilsbry and Lowe 1932 [synonym]
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Invalid names: Mactra paitensis Philippi 1853 [synonym]
Subg. Standella (Micromactra) Dall 1894
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+
Invalid names: Mactra (Micromactra) atacama Pilsbry and Olsson 1941 [synonym], Mactra ovalina Reeve 1854 [synonym]
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Invalid names: Micromactra miskito Petuch 1998 [synonym]
Subg. Standella (Standella) Gray 1853
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+
Invalid names: Lutraria candida Lamarck 1818 [synonym], Mactra anserina Guppy 1875 [synonym], Mactra bilineata Reeve 1854 [synonym], Mactra braziliana Lamarck 1818 [synonym], Mactra oblonga Philippi 1887 [synonym]
Standella (Standella) nasuta Gould 1851 [bent surfclam]
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Invalid names: Mactra deshayesii Conrad 1868 [synonym], Mactra hiantina Deshayes 1855 [synonym], Mactra revellei Durham 1950 [synonym], Mactrotoma revellei Durham 1950 [synonym]
†Standella mystrosura Stilwell and Zinsmeister 1992
Standella striatella Lamarck 1818
Invalid names: Mactrotoma Dall 1894 [synonym]
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†Stereomactra abscissa Gabb 1866
G. †Telemactra Iredale 1929
G. †Trinitasia Maury 1928
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Invalid names: Mactra inceri Petuch 1998 [synonym], Mactra kempfi Cauquoin 1969 [synonym]
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Invalid names: Dermatomya harrisi Weisbord 1929 [synonym], Mulinia atlanticola Anderson 1929 [synonym]
G. Tumbeziconcha Pilsbry and Olsson 1935
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Tumbeziconcha goniocyma Pilsbry and Lowe 1932
Tumbeziconcha thracioides Adams and Reeve 1850
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†Mulinoides plenicostatus Devries 2019
G. †Pteroluter Saul 1973
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†Pteroluter othnius Saul 1973
G. †Pteropsis Conrad 1860
G. Scissodesma Gray 1837
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†Schizodesma appressa Gabb 1876
Subfm. Tanysiphoninae Scarlato and Starobogatov 1971
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G. †Tanysiphon Benson 1858
G. †Willimactra Saul 1973
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Subg. †Willimactra (Petromactra) Saul 1973
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Invalid names: Spisula chicoensis Packard 1916 [synonym]
Subfm. †Zenatiinae Dall 1895
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G. Resania Gray 1853
G. Zenatia Gray 1853
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Subg. Zenatia (Zenatiopsis) Darragh 1965
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†Zenatiopsis angustata Tate 1879
G. †Zenatina Gill 1963
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†Zenatina victoriae Pritchard 1903
Invalid names: Rangiidae Fischer 1884 [synonym]
Fm. Mesodesmatidae Gray 1840
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G. †Califadesma Saul 1989
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†Califadesma aspris Saul 1989
†Califadesma elafium Saul 1989
†Califadesma tuscanum Saul 1989
Subfm. Davilinae Dall 1895
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G. Anapella Dall 1895
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†Anapella cycladea Lamarck 1818
G. †Davila Gray 1853
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†Davila plana Hanley 1843
G. Ervillia Turton 1822
G. Donacilla Lamarck 1819
Subfm. Mesodesmatinae Gray 1840
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G. Amarilladesma Huber 2010
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+
Invalid names: Donacilla solenoides dOrbigny 1845 [synonym], Mesodesma arechavalettoi Pilsbry 1897 [synonym]
G. Amesodesma Iredale 1930
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+
†Paphies elongata Reeve 1854
G. †Atactodea Dall 1895
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†Atactodea striata Gmelin 1791
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†Paphies striata Gmelin 1791
G. †Ceroniola
G. Mesodesma Deshayes
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Subg. Mesodesma (Ceronia) Gray 1853
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+
Invalid names: Erycina denticulata Gray 1825 [synonym], Mesodesma anodontina Römer 1862 [synonym], Mesodesma jauresii De Joannis 1834 [synonym]
Subg. Mesodesma (Mesodesma) Deshayes 1832
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+
Invalid names: Donacilla chilensis dOrbigny 1845 [synonym], Mesodesma cuneata Potiez and Michaud 1844 [synonym], Mesodesma lanceolata Reeve 1854 [synonym]
†Mesodesma costaricensis Olsson 1922
Mesodesma donacilla Lamarck 1819
†Mesodesma elongata Abbass 1972
†Mesodesma mariana Glenn 1904
G. †Myadesma Clark 1922
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†Myadesma dalli Clark 1922
†Myadesma eocenica Clark 1938
†Myadesma howei Clark 1922
†Myadesma pacifica Hall and Ambrose 1916
G. Paphies Lesson 1831
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Invalid names: Machaena Gray 1843 [synonym], Taria Gray 1853 [synonym]
Invalid names: Donacillidae Macpherson and Gabriel 1962 [synonym], Myadesmidae Clark 1922 [synonym]
Diagnosis
No diagnoses are available