Aristoceras appressum (FOSSIL) Ruzhentsev, 1950 †
Prothalassoceras bashkiricum (FOSSIL) Ruzhentsev, 1950 †
Prothalassoceras biforme (FOSSIL) Gerassimov, 1937 †
Prothalassoceras bostocki (FOSSIL) Nassichuk, 1971 †
Prothalassoceras caddoense (FOSSIL) Plummer & P.H. Scott,1937 †
Mapesites chautauquaensis (FOSSIL) Work & Boardman, 2003 †
Aristoceras chkalovi (FOSSIL) (Ruzhentsev, 1940 †)
Gordonites filifer (FOSSIL) W.J. Gordon, 1964 †
Thalassoceras gemmellaroi (FOSSIL) Karpinsky, 1889 †
Prothalassoceras inexpectans (FOSSIL) Miller & Owen, 1937 †
Prothalassoceras inflatum (FOSSIL) Ruzhentsev, 1950 †
Prothalassoceras jaikense (FOSSIL) Ruzhentsev, 1950 †
Prothalassoceras kingorum (FOSSIL) Miller, 1930 †
Gordonites matheri (FOSSIL) W.J. Gordon, 1964 †
Thalassoceras mediterraneum (FOSSIL) Toumanskaya, 1949 †
Aristoceratoides microdiscus (FOSSIL) (C. Gemmellaro, 1887 †)
Prehoffmannia milleri (FOSSIL) Plummer & P.H. Scott,1937 †
Gleboceras mirandum (FOSSIL) Ruzhentsev, 1950 †
Prothalassoceras notabile (FOSSIL) Bogoslovskaya & al.,1995 †
Thalassoceras phillipsi (FOSSIL) C. Gemmellaro, 1887 †
Epithalassoceras ruzencevi (FOSSIL) Miller & Furnish, 1940 †
Prothalassoceras sangvorense (FOSSIL) Leonova, 1992 †
Prothalassoceras serratum (FOSSIL) Maximova, 1948 †
Aristoceras serum (FOSSIL) Bogoslovskaya& A.M. Popov, 1986 †
Prothalassoceras solitum (FOSSIL) Ruzhentsev, 1978 †
Thalassoceras subreticulatum (FOSSIL) C. Gemmellaro, 1887 †
Aristoceratoides varicosum (FOSSIL) (C. Gemmellaro, 1887 †)
Thalassoceras wadei (FOSSIL) Miller, 1936 †
Prothalassoceras welleri (FOSSIL) Böse, 1919 †