Dimorphoceratoides adamsi (FOSSIL) Work & al., 2012 †
Neodimorphoceras armstrongi (FOSSIL) D.R. Currie, 1954 †
Pinoceras daixense (FOSSIL) Ruzhentsev, 1947 †
Neodimorphoceras lenticulare (FOSSIL) (Girty, 1911 †)
Neodimorphoceras oklahomae (FOSSIL) (Girty, 1911 †)
Neodimorphoceras plummerae (FOSSIL) Plummer & P.H. Scott,1937 †
Pintoceras postvenatum (FOSSIL) Plummer & P.H. Scott,1937 †
Neodimorphoceras sverdrupi (FOSSIL) Nassichuk, 1975 †
Neodimorphoceras texanum (FOSSIL) (Smith, 1903 †)