Pseudomphalotrochus leonhardi (FOSSIL) (d'Archiac & de Verneuil,1842 †)
Pseudomphalotrochus linsleyi (FOSSIL) Blodgett, 1992 †
Pseudomphalotrochus philosophus (FOSSIL) (Whidborne, 1889 †)
Pseudomphalotrochus winnipegosis (FOSSIL) (E.G. Linsley& E.L. Yochelson, 1973 †)
Sylvestria soetenichensis (FOSSIL) (Kirchner, 1915 †)
Sylvestria zimmermanni (FOSSIL) Heidelberger & Koch,2005 †
Trochonemopsis emacerata (FOSSIL) (J.W. Hall& R.P. Whitfield, 1872 †)
Trochonemopsis meekanum (FOSSIL) Miller, 1889 †
Trochonemopsis rectilatera (FOSSIL) (J.W. Hall& R.P. Whitfield, 1872 †)
Trochonemopsis yandellana (FOSSIL) (J.W. Hall& R.P. Whitfield, 1872 †)