Orthonema tirusum (FOSSIL) Batten, 1985 † Malaysia, Perak, Batang Padang
Orthonema tricingulatum (FOSSIL) Erwin, 1988 † USA, New Mexico, Otero
Kazanella volgensis (FOSSIL) (Golowinsky 1868 †) Russia, Kirov, Sovetskiy
Orthonema youngianum (FOSSIL) J. Donald, 1889 †
Orthonema zionensis (FOSSIL) A. Nützel, 1998 † Texas