ammonites
Euthyrhachis blatchleyi Kindle 1900 (snail)

Gastropoda - Euomphalina - Platyceratidae

Alternative combinations: Platyceras (Euthyrhachis) blatchleyi, Platyceras blatchleyi

Full reference: E. M. Kindle. 1900. The Devonian fossils and stratigraphy of Indiana. Indiana Department of Geology and Natural Resources Annual Report 25:1-737

Belongs to Euthyrhachis according to P. J. Wagner 2011

Sister taxa: Euthyrhachis indianense, Euthyrhachis vulgaris

Ecology: passively mobile epifaunal coprophage