Gastropoda - Cerithimorpha - Orthonemidae
Alternative combinations: Palaeostylus marvinwelleri, Pseudozygopleura (Pyrgozyga) marvinwelleri
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 Palaeostylus (Palaeostylus) according to E. L. Yochelson and B.W. Saunders 1967
See also Hoare and Sturgeon 1981, Knight 1930 and Wagner 2023
Sister taxa: none
Type specimen: YPM 12987, 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 the United Kingdom (1 collection), United States (6: Missouri, Ohio)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.