Gastropoda - Zygopleuroidea - Pseudozygopleuridae
Alternative spellings: Gamizyga (Plocezyga), Hemizyga (Plocezyga), Ploceozyga
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: Pseudozygopleurinae according to P. J. Wagner 2023
See also Hoare and Sturgeon 1980, Hoare and Sturgeon 1980, Knight 1930, Knight et al. 1960, Pan and Erwin 2002 and Sepkoski 2002
Sister taxa: Bandelzyga, Cyclozyga, Eoptychia, Gamizyga, Helminthozyga, Hemizyga, Hyphantozyga, Levizygopleura, Microptychis, Pseudoplocezyga, Pseudozygopleura, Stephanozyga
Subtaxa: Hemizyga (Plocezyga) abolescens Hemizyga (Plocezyga) angularis Hemizyga (Plocezyga) convertacostata Hemizyga (Plocezyga) serocorona Hemizyga (Plocezyga) tenuis Plocezyga (Plocezyga) Plocezyga acuminata Plocezyga boikoi Plocezyga conica Plocezyga convexa Plocezyga cordiformis Plocezyga corona Plocezyga costata Plocezyga delicata Plocezyga excellens Plocezyga gruendeli Plocezyga indica Plocezyga intermedia Plocezyga lineata Plocezyga lirata Plocezyga markae Plocezyga minuta Plocezyga obscura Plocezyga ornata Plocezyga ornatissima Plocezyga percostata Plocezyga perminuta Plocezyga regularia Plocezyga salomonense Plocezyga subnodosa Plocezyga subquadrata Plocezyga tenuilirata Plocezyga turbinata Plocezyga venusta
Distribution:
• Jurassic of Poland (1 collection)
• Permian of China (1), Greece (2), Italy (1), Malaysia (1), Pakistan (1), the Russian Federation (4)
• Carboniferous of United States (31: Missouri, New Mexico, Ohio, West Virginia)
Total: 42 collections including 91 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.