Gastropoda - Zygopleuroidea - Pseudozygopleuridae
Alternative combinations: Gamizyga illineata, Hemizyga (Hemizyga) illineata
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
Belongs to Hemizyga according to P. J. Wagner 2023
See also Knight 1930, Kues 1984, Kues and Batten 2001 and Yochelson and Saunders 1967
Sister taxa: Hemizyga (Hemizyga), Hemizyga attenuata, Hemizyga dubia, Hemizyga elegans, Hemizyga grandicostata, Hemizyga inflata, Hemizyga larga
Type specimen: YPM 13001, a shell. Its type locality is SL-1. Headwaters of Feefee Creek, north of Olive St. & west of Lindberg Blvd., 1.5 km northwest of Stratmann (Olivette), which is in a Moscovian offshore shale in the Appanoose Formation of Missouri.
Ecology: epifaunal
Distribution:
• Carboniferous of United States (4: Missouri, New Mexico, Ohio collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.