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Murchisonioidea

Gastropoda - Murchisoniina

Synonymy list
YearName and author
1896Murchisoniacea Koken
1960Murchisoniacea Knight et al. p. 291
1988Murchisonioidea Ponder and Warén p. 293
1999Murchisonioidea Wagner
2003Murchisonioidea Jeffery
2005Murchisonioidea Bouchet et al. p. 244

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classGastropoda
subclassOrthogastropoda
orderMurchisoniina
superfamilyMurchisonioidea()
superfamilyMurchisonioidea()

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. †Murchisonioidea Koken 1896
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Fm. †Cheeneetnukiidae Blodgett and Cook 2002
+
G. †Cheeneetnukia Blodgett and Cook 2002
+
†Cheeneetnukia australis Blodgett and Cook 2002
†Cheeneetnukia frydai Blodgett and Cook 2002
†Cheeneetnukia seminodosa Grüneberg 1927
†Cheeneetnukia spinosa Phillips 1841
+
†Murchisonia spinosa spinosa Phillips 1841
†Wuxuanella spinosa turboides Winterfeld 1894
G. †Pingtianispira Cook and Pan 2004
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†Pingtianispira tuberculata Cook and Pan 2004
G. †Ulungaratoconcha Blodgett and Cook 2002
+
†Ulungaratoconcha bicoronata Paeckelmann 1922
†Ulungaratoconcha bigranulosa d’Archiac and de Verneuil 1842
†Ulungaratoconcha binodosa d’Archiac and de Verneuil 1842
†Ulungaratoconcha bononi Tassell 1982
†Ulungaratoconcha coronata d’Archiac and de Verneuil 1842
†Ulungaratoconcha heidelbergeri Blodgett and Cook 2002
†Ulungaratoconcha intermedia d’Archiac and de Verneuil 1842
†Ulungaratoconcha lennensis Heidelberger and Koch 2005
Fm. †Hormotomidae Wenz 1938
+
G. †Catazone Perner 1907
+
†Catazone apate Perner 1907
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Invalid names: Murchisonia (Catazone) fraterna Perner 1907 [synonym]
†Catazone argolis Perner 1907
†Catazone boylei Nicholson 1875
†Catazone changningensis Xi and Yu 1990
†Catazone cingulata Hisinger 1829
†Catazone compressa Lindström 1884
†Catazone cuneus Perner 1907
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Invalid names: Murchisonia (Catazone) simulans Perner 1907 [synonym]
†Catazone demidoffi Murchison et al. 1845
†Catazone egregium Billings 1874
†Catazone eversolensis Stauffer 1909
†Catazone latona Perner 1907
+
Invalid names: Catazone coarctata Perner 1907 [synonym]
†Catazone nevadana Blodgett and Johnson 1992
†Catazone podolica Wenjukov 1899
†Catazone robustula Perner 1907
†Catazone styloidea Perner 1907
G. †Coelocaulus Oehlert and Oehlert 1888
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†Coelocaulus alceste Perner 1907
†Coelocaulus chlupaci Horný 1953
†Coelocaulus clavata Perner 1907
†Coelocaulus columna Perner 1907
†Coelocaulus cybele Perner 1907
+
Invalid names: Coelocaulus considerata Perner 1907 [synonym], Coelocaulus crispa Perner 1907 [synonym], Coelocaulus mamillaris Perner 1907 [synonym]
†Coelocaulus davidsoni Oehlert 1877
†Coelocaulus decipiens Perner 1907
†Coelocaulus estella Billings 1865
†Coelocaulus fugitiva Perner 1903
†Coelocaulus karlae Rohr et al. 2003
†Coelocaulus lebescontei Oehlert and Oehlert 1888
†Coelocaulus linearis Billings 1859
†Coelocaulus perlonga Perner 1907
†Coelocaulus pollens Perner 1907
†Coelocaulus sana Perner 1907
†Coelocaulus strebloceras Clarke 1907
†Coelocaulus zonaria Perner 1907
Invalid names: Coelidium Clarke and Ruedemann 1903 [objective synonym]
G. †Diplozone Perner 1907
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†Diplozone attava Perner 1907
†Diplozone innocens Perner 1907
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Invalid names: Diplozone redux Perner 1907 [synonym]
†Diplozone retusa Perner 1907
†Diplozone zeuneri Roemer 1852
Invalid names: Branzovya Horný 1994 [synonym]
G. †Gyrodoma Etheridge 1898
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†Gyrodoma etheridgei Cresswell 1893
†Gyrodoma marylandica Clarke and Swartz 1913
G. †Hormotoma Salter 1859
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†Hormotoma aculeata Billings 1866
†Hormotoma acuminata Parks 1915
†Hormotoma agilis Billings 1865
†Hormotoma altesinuata Koken and Perner 1925
†Hormotoma amii McLearn 1924
†Hormotoma anna Billings 1859
†Hormotoma antiqua Peel 1977
†Hormotoma artemesia Billings 1865
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Invalid names: Hormotoma powellensis Cullison 1944 [synonym]
†Hormotoma articulata Murchison 1839
†Hormotoma bilineata Flower 1968
†Hormotoma bistriata Clarke and Swartz 1913
†Hormotoma cassina Whitfield 1897
†Hormotoma centervillensis Foerste 1923
†Hormotoma concinnus Horný 1952
†Hormotoma confusa Whitfield 1889
†Hormotoma cotterensis Cullison 1944
†Hormotoma doquieri Grabau 1922
†Hormotoma dubia Cullison 1944
†Hormotoma dubia Donald 1899
†Hormotoma exilis d'Eichwald 1860
†Hormotoma fascinata Ulrich and Scofield 1897
†Hormotoma funata Billings 1866
†Hormotoma gigantea Billings 1857
†Hormotoma gracilens Whitfield 1889
†Hormotoma gracilis Hall 1847
+
†Hormotoma gracilis goodhuensis Ulrich and Scofield 1897
†Hormotoma gracilis multivolvis Ulrich and Scofield 1897
†Hormotoma gracilis sublaxa Ulrich and Scofield 1897
†Hormotoma gracillima Murchison 1859
†Hormotoma grayiana Donald 1899
†Hormotoma hyale Billings 1865
†Hormotoma inceptor Longstaff 1909
†Hormotoma insignis d'Eichwald 1860
†Hormotoma latifasciatum Etheridge 1878
†Hormotoma lutiensis Cullison 1944
†Hormotoma meryenorfi Koken 1897
†Hormotoma meyendorfi Koken 1897
†Hormotoma minnesotensis Ulrich and Scofield 1897
†Hormotoma moderata Flower 1968
†Hormotoma multivolvis Billings 1857
†Hormotoma neglecta Ulrich and Scofield 1897
†Hormotoma nigra Longstaff 1924
†Hormotoma oehlerti Ulrich and Scofield 1897
†Hormotoma ordovix Donald 1902
†Hormotoma piperi Donald 1899
†Hormotoma polita Donald 1902
+
Invalid names: Turritoma pinguis Donald 1902 [synonym]
†Hormotoma prava Whitfield 1886
†Hormotoma robusta Donald 1902
†Hormotoma rudis d'Eichwald 1860
†Hormotoma scrobiculata Koken 1897
†Hormotoma simplex Wilson 1932
+
Invalid names: Hormotoma infrequens Billings 1859 [synonym]
†Hormotoma striatula Longstaff 1924
†Hormotoma subangulata Ulrich and Scofield 1897
†Hormotoma tenuifilosa Donald 1906
†Hormotoma teretiformis Billings 1857
†Hormotoma vesta Billings 1865
†Hormotoma wilsoni Okulitch 1935
†Hormotoma winnipegensis Whiteaves 1897
G. †Hormotomina Grabau and Shimer 1909
+
†Hormotomina fiacrensis Blodgett et al. 1999
†Hormotomina linsleyi Fagerstrom 1961
†Hormotomina maia Hall 1861
†Hormotomina penduliobesa Linsley 1968
G. †Medfracaulus Rohr et al. 2003
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†Medfracaulus contracta Perner 1907
†Medfracaulus cooki Rohr et al. 2003
†Medfracaulus turriformis Chernyshev 1893
G. †Plethospira Ulrich and Scofield 1897
+
†Plethospira arenaria Billings 1859
†Plethospira caledoniensis Longstaff 1924
†Plethospira cannonensis Stauffer 1937
†Plethospira cassina Whitfield 1886
+
Invalid names: Plethospira subangulata Flower 1968 [synonym]
†Plethospira difficilis Whitfield 1890
†Plethospira extensa Heller 1954
†Plethospira floweri Fortey and Peel 1990
†Plethospira rotunda Flower 1968
Invalid names: Seelya Ulrich and Scofield 1897 [synonym]
G. †Ptychocaulus Perner 1907
+
†Ptychocaulus crumena Perner 1907
†Ptychocaulus magna Karczewski 1980
†Ptychocaulus rodneyi Rohr 1980
†Ptychocaulus verneuili Koken 1889
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Invalid names: Ptychocaulus approximans Perner 1907 [synonym], Ptychocaulus brevicona Perner 1907 [synonym]
G. †Kosovoconcha Frýda 1998
G. †Mendelia Frýda 1998
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†Mendelia lata Frýda 1998
Fm. †Murchisoniidae Koken 1896
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G. †Anarconcha Horný 1964
+
†Anarconcha pulchra Perner 1903
G. †Barroisocaulus Gubanov et al. 1995
+
†Barroisocaulus asiatica Gubanov et al. 1995
†Barroisocaulus davyi Barrois 1889
†Barroisocaulus kayseri Spitz 1907
†Barroisocaulus oliveri Gubanov et al. 1995
G. †Bellazona Gordon and Yochelson 1987
+
†Bellazona acuta Mazaev 2019
†Bellazona bella Walcott 1884
†Bellazona polita Gordon and Yochelson 1987
G. †Biangularia Spitz 1907
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†Biangularia frechi Spitz 1907
G. †Brilonella Kayser 1873
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†Brilonella serpens Kayser 1872
G. †Cyrtostropha Donald 1902
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†Cyrtostropha bicincta M'Coy 1844
†Cyrtostropha cava Lindström 1884
†Cyrtostropha coralli de Sowerby and Murchison 1839
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Invalid names: Cyrtostropha loganii Hall 1852 [synonym]
†Cyrtostropha monoliniformis Lindström 1884
†Cyrtostropha morinensis Horný 1952
†Cyrtostropha obscura Portlock 1843
†Cyrtostropha pacifica Perner 1907
†Cyrtostropha salteri Ulrich and Scofield 1897
+
†Cyrtostropha salteri canadensis Ulrich and Scofield 1897
†Hormotoma salteri nitida Ulrich and Scofield 1897
†Hormotoma salteri tennesseensis Ulrich and Scofield 1897
Invalid names: Cyrtostropha fasciata Branson 1909 [synonym], Hormotoma groenlandica Troedsson 1928 [synonym]
†Cyrtostropha scitula Donald 1902
†Cyrtostropha sculpta Perner 1907
†Cyrtostropha subplicata Lindström 1884
†Cyrtostropha torquata M'Coy 1851
G. †Devonocerithioides Heidelberger 2001
+
†Devonocerithioides gracilis Heidelberger 2001
G. †Domiporta Mawson et al. 2002
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†Domiporta laxa Mawson et al. 2002
G. †Eohormotomina Frey et al. 2014
+
†Eohormotomina restisevoluta Frey et al. 2014
G. †Farewellia Frýda and Blodgett 2004
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†Farewellia heidelbergerae Frýda and Blodgett 2004
G. †Glyphodeta Donald 1895
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†Glyphodeta zonata Donald 1887
†Murchisonia (Glyphodeta) fimbricarinata Young and Armstrong 1874
G. †Helicospira Girty 1915
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†Helicospira buttersi Girty 1912
G. †Kaseiella Frýda 1998
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†Kaseiella laudabilis Perner 1907
G. †Leptorima Perner 1907
+
†Leptorima oehlerti Perner 1903
†Leptorima townsendii Whiteaves 1895
G. †Lodanaria Dahmer 1925
+
†Lodanaria ecclesiae Clarke and Swartz 1913
†Lodanaria floryi Blodgett and Johnson 1992
†Lodanaria munda Dahmer 1925
†Lodanaria quadricarinata Stauffer 1909
G. †Mesocoelia Perner 1907
+
†Mesocoelia delicata Perner 1907
†Mesocoelia discrepans Perner 1907
†Mesocoelia gregaria Ruedemann 1916
†Mesocoelia iners Perner 1907
†Mesocoelia janus Perner 1907
†Mesocoelia libera Perner 1907
†Mesocoelia obstipisutura Linsley 1968
†Mesocoelia priscum Münster 1840
†Mesocoelia quarki Tassell 1982
†Mesocoelia suspecta Perner 1907
†Mesocoelia terebrans Perner 1907
G. †Michelia Roemer 1855
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Michelia champaca Linnaeus 1753
†Michelia compacta Hall 1859
†Michelia cylindrica Roemer 1855
†Michelia darwini de Koninck 1876
†Michelia persimilis Poulsen 1974
†Michelia planogyrata Hall 1859
†Michelia tenera Perner 1907
†Michelia tenue Clarke 1907
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Invalid names: Michelia tenuella Williams and Breger 1916 [synonym]
†Michelia whiteavesi Clarke and Ruedemann 1903
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Invalid names: Michelia attenuata Lindström 1884 [replaced]
Invalid names: Melissosoa Clarke 1909 [synonym], Sinuspira Perner 1907 [synonym]
G. †Micheliopsis Termier and Termier 1977
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†Micheliopsis lapparenti Termier and Termier 1977
G. †Micrentoma Donald 1898
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†Micrentoma nana de Koninck 1881
†Micrentoma yunnanensis Mansuy 1919
G. †Morania Horný 1953
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†Morania altevittata Spitz 1907
†Morania attenuatum Lindström 1884
†Morania boltoni Peel 1975
†Morania declivis Perner 1903
†Morania griffithi Donald 1899
†Morania nixonforkensis Rohr et al. 2008
†Morania paradoxa Lindström 1884
†Morania vsinuata Horný 1953
†Morania wagneri Rohr et al. 2008
Invalid names: Wenziella Frýda 1998 [synonym]
G. †Murchisonia d'Archiac and de Verneuil 1841
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Subg. †Murchisonia (Goniospira) Donald 1902
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Subg. †Murchisonia (Ostioma) Tassell 1980
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†Ostioma albanica Tassell 1980
†Ostioma bloomfieldia Tassell 1980
†Murchisonia aciculata Hall 1860
†Murchisonia akidota Linsley 1968
†Murchisonia allevata Perner 1907
†Murchisonia anderdoniae Linsley 1968
+
Invalid names: Murchisonia tricarinata Sherzer and Grabau 1910 [replaced]
†Murchisonia anglica d'Orbigny 1850
†Murchisonia angulata von Schlotheim 1820
†Murchisonia angustetaeniata Paeckelmann 1922
†Murchisonia archiaci Paeckelmann 1922
†Murchisonia arctica Tolmachoff 1930
†Murchisonia auctor Mawson et al. 2002
†Murchisonia basalestriata Heidelberger 2001
†Murchisonia bassensis Tassell 1978
†Murchisonia biarmica Kutorga 1842
†Murchisonia bilineata Dechen 1832
†Murchisonia brevis Roemer 1856
+
Invalid names: Pleurotomaria bilineata Sandberger and Sandberger 1853 [replaced]
†Murchisonia cambria Donald 1905
†Murchisonia cicela Billings 1865
†Murchisonia concava Spitz 1907
†Murchisonia conradi Hall 1868
†Murchisonia convexa Spitz 1907
†Murchisonia declivisdiot Perner 1903
†Murchisonia deflexa Lindström 1884
†Murchisonia defrancei d’Archiac and de Verneuil 1842
†Murchisonia delagei Munier-Chalmas 1876
†Murchisonia deludisubzona Linsley 1968
†Murchisonia dornapica Heidelberger and Amler 2002
†Murchisonia dowlingii Whiteaves 1892
†Murchisonia dublinensis Stauffer 1909
†Murchisonia dudleyensis Donald 1902
†Murchisonia eichwaldi Koken 1889
†Murchisonia elegans Sollas 1879
†Murchisonia fornicata Spitz 1907
†Murchisonia fusiformis Phillips 1836
+
Invalid names: Murchisonia humboldtiana de Koninck 1844 [synonym], Murchisonia josepha Goldfuss 1844 [synonym]
†Murchisonia gourvenneci Blodgett et al. 2003
†Murchisonia gracilicrista Linsley 1968
†Murchisonia gracilis Goldfuss 1844
†Murchisonia gubleri Delpey 1941
†Murchisonia hebe Billings 1874
†Murchisonia hercynica Römer 1843
†Murchisonia holynensis Frýda and Manda 1997
†Murchisonia intermedia Stauffer 1909
†Murchisonia jackjelli Cook 1997
†Murchisonia kanekoi Kase and Nishida 1986
†Murchisonia kirchnera Heidelberger 2001
†Murchisonia laphami Hall 1860
†Murchisonia lawlessi Cook and Camilleri 1997
†Murchisonia leda Hall 1861
†Murchisonia liufengshanensis Cook and Pan 2004
†Murchisonia lochkoviensis Frýda and Manda 1997
†Murchisonia lohrheimi Heidelberger 2001
†Murchisonia marri Donald 1895
†Murchisonia megathanae Blodgett and Johnson 1992
†Murchisonia micula Miller 1877
†Murchisonia minuta Grabau and Sherzer 1910
†Murchisonia mylitta Billings 1865
†Murchisonia nerinea Sandberger and Sandberger 1855
†Murchisonia obesa Whidborne 1892
†Murchisonia obtusangula Lindström 1884
†Murchisonia oegensis Heidelberger and Koch 2005
†Murchisonia oehlerti Blodgett et al. 1999
†Murchisonia padangensis Fliegel 1901
†Murchisonia paeckelmanni Heidelberger and Koch 2005
†Murchisonia pagodeformis Kirchner 1915
†Murchisonia petila Hall and Whitfield 1872
†Murchisonia placida Billings 1865
†Murchisonia plumleyi Blodgett 1992
†Murchisonia pragensis Frýda and Manda 1997
†Murchisonia pritchardi Etheridge 1898
†Murchisonia pygmaea Rowley 1895
†Murchisonia reverdyi Oehlert 1877
†Murchisonia rotundata Spitz 1907
†Murchisonia sandbergeri Paeckelmann 1922
†Murchisonia sandbergi Paeckelmann 1922
†Murchisonia selenalta Heidelberger 2001
†Murchisonia sera Böhm 1895
†Murchisonia sibleyensis Linsley 1968
†Murchisonia similis Trenkner 1868
†Murchisonia sphaerulata Donald 1887
†Murchisonia steltenbergensis Heidelberger and Koch 2005
†Murchisonia steltenbergensis monocincta Heidelberger and Koch 2005
†Murchisonia subcarinata Sherzer and Grabau 1910
†Murchisonia subeuglypha Krumbeck 1924
†Murchisonia subornata de Koninck 1883
†Murchisonia subulata Conrad 1842
†Murchisonia taltiensis Tschernischeff 1893
†Murchisonia tenuissima Donald 1887
†Murchisonia tillesae Blodgett and Johnson 1992
†Murchisonia timorensis Krumbeck 1924
†Murchisonia tricincta d’Archiac and de Verneuil 1842
†Murchisonia trilineata Sandberger and Sandberger 1854
†Murchisonia turbinata Bronn 1856
†Murchisonia turriformis Grünberg 1927
†Murchisonia turris de Koninck 1876
†Murchisonia vicariana Whidborne 1892
†Murchisonia vincta Hall 1856
†Murchisonia wandovalensis Cook and Camilleri 1997
†Murchisonia xanthippe Billings 1865
†Murchisonia zimmermanni Heidelberger and Koch 2005
Invalid names: Goniostropha Oehlert and Oehlert 1888 [synonym]
G. †Parahormotomina Blodgett et al. 1999
+
†Parahormotomina sibertae Blodgett et al. 1999
G. †Predazzella Monari and Dellantonio 2024
+
†Predazzella avisii Böhm 1895
†Predazzella elongata Monari and Dellantonio 2024
†Predazzella monarii Dominici 2024
G. †Protospira Ruedemann 1916
G. †Pseudoaclisina Yoo 1994
+
G. †Vladanella Horný 1992
+
†Vladanella avia Horný 1992
†Vladanella enigma Horný 1992
†Vladanella lirata Tyler 1965
†Vladanella mariannae Horný 1992
G. †Wuxuanella Cook and Pan 2004
+
†Wuxuanella hibernia Heidelberger 2001
†Wuxuanella liufengshanensis Cook and Pan 2004
†Wuxuanella nodusa Cook and Pan 2004
†Wuxuanella pseudobinodosa Heidelberger 2001
†Wuxuanella spinacavus Heidelberger 2001
Fm. †Plethospiridae Wenz 1938
+
G. †Kirkospira Rohr and Blodgett 2001
+
†Kirkospira glacialis Rohr and Blodgett 2001
†Kirkospira lindstroemi Oehlert and Oehlert 1888
†Kirkospira tongassensis Rohr and Blodgett 2008
†Kirkospira vitellia Billings 1865
Invalid names: Baichtalia Rohr and Blodgett 2008 [synonym]
G. †Moenaspira Monari and Dellantonio 2024
+
†Moenaspira crassa Monari and Dellantonio 2024
†Moenaspira magna Böhm 1895
+
Invalid names: Worthenia picardi Assmann 1937 [synonym]
G. †Wortheniopsis Böhm 1895
+
†Wortheniopsis acuta Nützel et al. 2018
†Wortheniopsis quirinii Stoppani 1858
+
Invalid names: Turbo funiculatus Stoppani 1858 [synonym]
Invalid names: Murchisonietta Nützel et al. 2018 [synonym]
Invalid names: Plethospirinae Wenz 1938 [empty]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height263.630.0135.082.574.2
shell diameter225.014.543.028.820.2

Composition: aragoniteo
Locomotion: facultatively mobilesuperf
Life habit: epifaunalsuperf
Diet: suspension feedersuperf
Vision: limitedo
Created: 2009-09-21 10:43:51
Modified: 2009-09-21 12:43:51
Source: superf = superfamily, o = order
Reference: Bambach et al. 2007

Age range

Maximum range based only on fossils: base of the Tulean to the top of the Hauterivian or 480.80000 to 129.40000 Ma
Minimum age of oldest fossil (stem group age): 478.6 Ma

Collections (922 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7China (HeBei) Murchisonia sp. (7983)
Tremadoc486.5 - 477.7USA (Montana) Plethospira sp. (275)
Tremadoc486.5 - 477.7China (Hebei) Hormotoma doquieri (222590)
Tremadoc - Floian486.5 - 470.0USA (Utah) Plethospira sp. (154882)
Migneintian485.4 - 478.6USA (Missouri) Hormotoma gracilis (50204) Plethospira extensa (50202)
Stairsian485.4 - 478.6USA (Vermont) Murchisonia confusa (154943) Murchisonia gracilens (154942)
Stairsian485.4 - 478.6USA (New York) Plethospira bilineata, Plethospira subangulata (289)
Tremadocian485.4 - 477.7Greenland Hormotoma sp. (181518)
Stairsian - Tulean485.4 - 474.9United Kingdom (Scotland) Murchisonia gracillima (188696)
Early/Lower Ordovician485.4 - 470.0USA (Texas) Plethospira sp., Hormotoma sp. (283 293)
Early/Lower Ordovician485.4 - 470.0Svalbard and Jan Mayen Hormotoma sp. (212592 212593)
Early/Lower Ordovician485.4 - 470.0USA (New York) Hormotoma sp. (290)
Jeffersonian485.4 - 470.0USA (Oklahoma) Hormotoma sp. (80100 80101)
Jeffersonian485.4 - 470.0USA (Missouri) Hormotoma dubia (56503 56504)
Jeffersonian485.4 - 470.0USA (Texas) Hormotoma sp. (80088) Plethospira sp., Hormotoma sp. (56489)
Early/Lower Ordovician - Middle Ordovician485.4 - 458.4USA (Alaska) Murchisoniidae indet. (101838)
Ordovician485.4 - 443.8USA (New York) Hormotoma sp. (332)
Cassinian482.3 - 470.0Canada (Newfoundland and Labrador) Plethospira cassina (133140)
Cassinian482.3 - 470.0United Kingdom (Scotland) Murchisonia sp. (75589)
Cassinian482.3 - 470.0USA (Minnesota) Hormotoma cannonensis, Hormotoma cassina (56647) Plethospira cassina, Hormotoma artemesia (56645)