Sweetoceras boreale (FOSSIL) (Sweet, 1958 †) Norway
Tarphyceras apollo (FOSSIL) (Billings, 1861 †) Canada, Quebec, Minganie-Basse-Cote-Nord
Tarphyceras aucoini (FOSSIL) A. Hyatt, 1894 † Canada, Newfoundland and Labrador, Division No. 9
Tarphyceras chadwickense (FOSSIL) Ulrich & al., 1942 † USA, Missouri, Christian
Tarphyceras champlainense (FOSSIL) (Schröder, 1891 †)
Tarphyceras clarkei (FOSSIL) Ruedemann, 1906 † USA, New York, Clinton
Tarphyceras excentricum (FOSSIL) Balaschov †
Tarphyceras extensum (FOSSIL) A. Hyatt, 1894 † Canada, Newfoundland and Labrador, Division No. 9
Tarphyceras morkokense (FOSSIL) Balaschov †
Tarphyceras multicameratum (FOSSIL) Ruedemann, 1906 † United States, New York, Clinton
Tarphyceras palinurus (FOSSIL) (Billings, 1861 †) Canada, Quebec, Minganie-Basse-Cote-Nord
Tarphyceras perkinsi (FOSSIL) R.P. Whitfield, 1897 † USA, Vermont, Addison
Tarphyceras prematurum (FOSSIL) A. Hyatt, 1894 † Canada, Newfoundland and Labrador, Division No. 9