Endoceras proteiforme
- kingdom: Animalia
- phylum: Mollusca
- class: Cephalopoda
- order:
- family: Endoceratidae
- genus: Endoceras
- species: Endoceras proteiforme
Rockford
Illinois- Crestview Hills
- Edgewood
- Lakeside Park
Kentucky- Lebanon
- Wetherington
Ohio
United States