ammonites
Vanuxemia waynesvillensis Frey 1980 (clam)

Bivalvia - Cyrtodontida - Cyrtodontidae

Full reference: R. C. Frey. 1980. Vanuxemia waynesvillensis, a new species of cyrtodontid pelecypod from the Upper Ordovician of southwest Ohio. Journal of Paleontology 54(4):740-744

Belongs to Vanuxemia according to R. C. Frey 1980

Sister taxa: Vanuxemia bulla, Vanuxemia decipiens, Vanuxemia inconstans, Vanuxemia odhneri

Type specimen: USNM 250176, a shell. Its type locality is Roadcut along US 42, southwestern Ohio, Waynesville Formation, T. duseri shale, which is in an Ashgillian deep subtidal shelf claystone in the Waynesville Formation of Ohio.

Ecology: facultatively mobile semi-infaunal suspension feeder

Average measurements (in mm): shell 34.7 x 46.8