Kinosternon scorpioides cruentatum Duméril & Bibron, in Duméril & Duméril 1851:16

Holotype: MNHN 1759 (Bour 2004b:34; illustrated in Duméril 1852:Pl. XVI; reproduced in Bour 2004b:33, also photographed therein, p. 32, Fig. 1).

Kinosternum mexicanum LeConte 1854: 182

Holotype: ANSP 90 (Malnate 1971:353).

Kinosternum triliratum LeConte 1860:6

Holotype: Apparently in the ANSP, but now presumably lost; not listed by Malnate (1971).

Kinosternon cruentatum consors Stejneger 1941:458

Holotype: USNM 13912 (Cochran 1961:232; Reynolds et al. 2007:27); paratypes (originally 6), ANSP 94; USNM 6556 (two specimens, but one now lost), 13910-11, and 13913 (Cochran 1961:232; Reynolds et al. 2007:27).