Full reference: B. S. Kues and R. L. Batten. 2001. Middle Pennsylvanian gastropods from the Flechado Formation, north-central New Mexico. Journal of Paleontology 75(1, supp):1-95
Sister taxon: Hermosanema carinatum
Type specimen: UNM 7466. Its type locality is Talpa, which is in a Desmoinesian delta front siliciclastic/sandstone in the Flechado Formation of New Mexico.