Staurotypus salvinii Gray 1864:127

Holotype: BMNH 1946.1.22.79 (Stuart 1963:49).

Staurotypus marmoratus Fischer 1872:265

Holotype: Not located; possibly in the ZMB according to Smith & Smith (1980:43); type illustrated in the original description (Pl. X).

Claudius severus Cope 1872:24

Holotype: USNM 64005 (Cochran 1961:230).

Although not considered part of the type series, MNHN 6218, 6219, 6220 (2 specimens), and 6623 (2 specimens) were apparently part of the same collection series as USNM 64005 (Reynolds et al. 2007:25)