Gastropoda - Prosobranchia - Goniasmatidae

Alternative combinations: Goniasma lasallensis, Goniospira lasallensis, Murchisonia lasallensis, Stegocoelia (Goniasma) lasallensis, Stegocoelia lasallensis, Worthenia lasallensis

Full reference: A. H. Worthen. 1890. Description of fossil invertebrates. Illinois Geological Survey 8(2):69-154

Belongs to Goniasma according to P. J. Wagner 2011

Sister taxa: Goniasma fischeri, Goniasma fortecarinata, Goniasma fusuiensis, Goniasma gzheliensis, Goniasma helicaformis, Goniasma nodifera, Goniasma praecosis, Goniasma pygmaea, Goniasma rara, Goniasma rotundata, Goniasma sulcata, Goniasma terebra, Goniasma zarecznyi, Murchisonia (Goniasma) conjugens

Ecology: epifaunal