Gastropoda - Zygopleuroidea - Pseudozygopleuridae
Alternative spelling: Pseudozygopleurinae
Synonyms: Cyclozygidae Likharev 1970, Eoptychiidae Golikov and Starobogatov 1987, Stephanozygidae Golikov and Starobogatov 1987
Full reference: J. B. Knight. 1930. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: the Pseudozygopleurinae. Journal of Paleontology Memoir 4(1):1-88
Parent taxon: Zygopleuroidea according to A. Nützel and C. Ketwetsuriya 2016
See also Bouchet et al. 2005, Golikov and Starobogatov 1975, Knight 1930, Knight et al. 1960, Kues 2002, Nützel 1998 and Ponder and Warén 1988
Sister taxa: Plicacerithium, Pommerozygiidae, Protorculidae
Subtaxa: Bandelzyga Cyclozyga Eoptychia Gamizyga Helminthozyga Hemizyga Hyphantozyga Levizygopleura Microptychis Plocezyga Pseudoplocezyga Pseudozygopleura Stephanozyga
Type: Pseudozygopleura
Distribution:
• Jurassic of Poland (1 collection)
• Triassic of Svalbard and Jan Mayen (1)
• Permian of Chile (1), China (6), Greece (3), Indonesia (1), Italy (1), Malaysia (1), Mexico (1), Pakistan (2), Peru (2), the Russian Federation (15), Thailand (3), United States (9: Arizona, Nevada, New Mexico, Wyoming)
• Carboniferous to Permian of China (1), Svalbard and Jan Mayen (1)
• Carboniferous of Australia (3), Canada (1: Alberta), China (1), Egypt (1), Ireland (2), Japan (2), Poland (1), the United Kingdom (16), United States (111: Arizona, Arkansas, California, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Missouri, Montana, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, West Virginia, Wyoming)
• Devonian of Australia (1), Germany (3), United States (1: Arizona)
Total: 192 collections including 609 occurrences