Sternotherus carinatus (Gray 1855:47)

Syntypes (4): BMNH 1947.3.4.32 (formerly 1854.7.1.15), 1947.3.4.64(formerly1855.12.17.5),1947.3.4.83 and 1947.3.4.84 (formerly 1856.12.17.4) .

Goniochelys triquetra Agassiz 1857:420, 423

Syntypes (5): MCZ 15085–15086 (Barbour & Loveridge 1929:270), 46634-35; and USNM 2 (now lost; Yarrow 1883:30; Reynolds et al. 2007:25).