Chelodina Fitzinger 1826: 6

Shea, Glenn, Thomson, Scott & Georges, Arthur, 2020, The identity of Chelodina oblonga Gray 1841 (Testudines: Chelidae) reassessed, Zootaxa 4779 (3), pp. 419-437 : 429

Genus: Chelodina Fitzinger 1826: 6

Type species: Testudo longicollis Shaw 1794 ; subsequent designation by Duméril & Bibron (1835: 442).

Revised Diagnosis: Medium to large freshwater turtles with exceptionally long necks; head and neck, when extended, typically of similar length to, or longer than, the carapace; gular scutes meet in front of intergular scute, or if not, barely separated by intergular (common variant in C. burrungandjii ); skull anteriorly elongated; frontal bones fused into a single unit; parietal arch absent; atlas elements (intercentrum, centrum, lamina) fused into a single unit; four claws on front and back feet.