University of Northern Iowa

1970.74.0478F (Pelecypod)

Looks like "Devil's toenail". Note curved umbo & irregular growth lines.

General Information

Accession #: 1970.74.0478F
Collection: Paleontology
Cultural Area: L. Cretaceous
Credit Line: Powell/WY/United States

Location

Perm Location: Missing

Taxonomy

Phylum: Mollusca
Class: Bivalvia
Order: Schizodont
Genus: Gryphaea
Species: Corrugata