†Leptoptygma virgatum Knight 1931 (snail)
Gastropoda - Murchisoniina - Soleniscidae
Alternative combination: Auriptygma virgatum
Full reference: J. B. Knight. 1931. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: the Subulitidae. Journal of Paleontology 5(3):177-229
Belongs to Leptoptygma according to P. J. Wagner 2011
Sister taxa: Leptoptygma fountainensis, Leptoptygma golconda, Leptoptygma laetus, Leptoptygma newtonensis, Leptoptygma simplex, Leptoptygma subtilistriatum
Ecology: epifaunal carnivore