Gastropoda - Cerithimorpha - Orthonemidae

Alternative combination: Solenospira illinoiensis

Full reference: S. Weller. 1916. Description of the Ste. Genevieve limestone fauna from Monroe County, Illinois. Contributions of the Walker Museum, University of Chicago 1:243-265

Belongs to Hypergonia according to P. J. Wagner 2011

Sister taxa: Hypergonia agraciada, Hypergonia attenuata, Hypergonia baldwinensis, Hypergonia elongata, Hypergonia hoffmani, Hypergonia kirkbyi, Hypergonia marvinwelleri, Hypergonia percarinata, Hypergonia percostata, Hypergonia prolixa, Hypergonia quadricarinata, Hypergonia tatei, Hypergonia tenuis, Hypergonia turritella, Hypergonia vermicula, Stegocoelia (Hypergonia) acuminata, Stegocoelia (Hypergonia) cincta, Stegocoelia (Hypergonia) jonathanensis, Stegocoelia (Hypergonia) korobkovi

Type specimen: Its type locality is Bed No. 8, Fountain Creek, 2 miles southwest of Waterloo, which is in a Chesterian carbonate limestone in the Ste. Genevieve Formation of Illinois.

Ecology: epifaunal