Gastropoda - Euomphalina - Platyceratidae

Alternative combinations: Platyceras (Euthyrhachis) indianense, Platyceras indianense

Full reference: S. A. Miller and W.F.E. Gurley. 1897. New species of crinoids, cephalopods, and other Palaeozoic fossils. Illinois State Museum Bulletin 12:1-69

Belongs to Euthyrhachis according to P. J. Wagner 2011

Sister taxa: Euthyrhachis blatchleyi, Euthyrhachis vulgaris