Alternative combinations: Palaeostylus (Stephanozyga) subnodosa, Pseudozygopleura (Stephanozyga) subnodosa
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
Sister taxa: Pseudozygopleura (Stephanozyga) lisaspira, Pseudozygopleura (Stephanozyga) nishimurai, Stephanozyga crassa, Stephanozyga granda, Stephanozyga ignorata, Stephanozyga lisaspira, Stephanozyga magna, Stephanozyga nodosa, Stephanozyga ornamentaria, Nodozyga rugifera, Nodozyga cylindracea, Nodozyga rowlandsi, Nodozyga longnorensis
Type specimen: YPM 12990, a shell. Its type locality is Locality 42. Steep embankment along Pershing Ave. at Cleveland Walk., which is in a Moscovian carbonate limestone in the Fort Scott Formation of Missouri.
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.