Scaphander takedai (T. Habe, 1981)
Scaphander tarbellianus (FOSSIL) (J.P.S. Grateloup,1837 †)
Scaphander teramachii (T. Habe, 1954)
Scaphander toringa (FOSSIL) R.K. Dell, 1952 †
Scaphander tosaensis T. Habe, 1954
Roxania umbilicata T. Habe, 1955
Roxania utriculus (G.B. Brocchi, 1814)
Scaphander watsoni W.H. Dall, 1881
Scaphander watsoni rehderi H.R. Bullis, 1956
Scaphander willetti W.H. Dall, 1919
Scaphander yonabaruensis (FOSSIL) F.S. MacNeil, 1960 †