Stephanozyga Knight 1930

Gastropoda - Prosobranchia - Pseudozygopleuridae

Alternative spellings: Palaeostylus (Stephanozyga), Pseudozygopleura (Stephanozyga)

Synonyms: Nodozyga Horný 1955, Palaeozygopleura (Nodozyga) Horný 1955

Full reference: J. B. Knight. 1930. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: the Pseudozygopleurinae. Journal of Paleontology Memoir 4(4):1-88

Parent taxon: Pseudozygopleuridae according to A. V. Mazaev 2015

See also Bouchet et al. 2005, Horný 1955, Knight 1930, Knight et al. 1960 and Sepkoski 2002

Sister taxa: Cyclozyga, Eoptychia, Gamizyga, Helminthozyga, Hemizyga, Hyphantozyga, Levizygopleura, Microptychis, Plocezyga, Pseudoplocezyga, Pseudozygopleura

Subtaxa: Nodozyga cylindracea Nodozyga longnorensis Nodozyga rowlandsi Nodozyga rugifera Pseudozygopleura (Stephanozyga) lisaspira Pseudozygopleura (Stephanozyga) nishimurai Stephanozyga crassa Stephanozyga granda Stephanozyga ignorata Stephanozyga lisaspira Stephanozyga magna Stephanozyga nodosa Stephanozyga ornamentaria Stephanozyga subnodosa

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Distribution:

• Permian of Malaysia (1 collection), the Russian Federation (3)

• Virgilian of United States (2: Illinois, Missouri)

• Desmoinesian of United States (2: Missouri, New Mexico)

• Chesterian of United States (1: Kentucky)

• Carboniferous of China (2), Japan (1), United States (5: Kentucky, Missouri, New mexico, Oklahoma, Texas)

Total: 17 collections including 22 occurrences

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Specimen images are retrieved through the ePANDDA API.


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