Gastropoda - Euomphalina - Tychobraheidae

Alternative combinations: Holopea antiqua, Littorina antiqua

Full reference: L. Vanuxem. 1842. Geology of New York, pt. 3, Comprising the survey of the third geological district. New York State Geological Survey 1-306

Belongs to Asinomphalus according to P. J. Wagner 2011

Sister taxa: Asinomphalus kettneri, Asinomphalus protoni, Asinomphalus ruzickai