Graptemys nigrinoda Cagle 1954:173

Holotype: LSUM 111649 (formerly TU 14662; photographed in the original description, p. 176, Fig. 4; p. 177, Fig. 6; p. 178, Fig. 8); paratypes (31), FMNH 69809-811 (Marx 1958:449); UIMNH 40625 (formerly TU 14691; Smith et al. 1946:35); TU 14662, 14643, 14647 (now SU 16286; Leviton & Banta 1956:219), 14648, 14652-53, 14655-57, 14659, 14664-65, 14682, 14694, 14697, 14700, 14706, 14708-10, 14714, 14720, 14723, 14725, and 14729; and UMMZ 108572-74 (Kluge 1984:81). MCZ on-line catalog also lists MCZ 52269 as a paratype.

Graptemys nigrinoda delticola Folkerts & Mount 1969:677

Holotype: UF 26238 (formerly AUM 9229; photographed in the original description, p. 678, Fig. 2; Gilbert 1974:117); paratypes (25), AUM 8749, 8968-70, 8979-81, 9228, 9230-38, 9334-36, 9366, and 9399-9401; UF 26239 (formerly AUM 8750; photographed in the original description, p. 680, Fig. 4).