Reptilia - Testudines - Emydidae

Synonym: Terrapene longinsulae Hay 1908

Belongs to Terrapene according to W. G. Joyce et al. 2012

Sister taxa: Terrapene canaliculata, Terrapene carolina, Terrapene coahuila, Terrapene corneri, Terrapene impensa, Terrapene klauberi, Terrapene marnochi, Terrapene mexicana, Terrapene nelsoni, Terrapene parornata, Terrapene whitneyi

Ecology: ground dwelling omnivore

Average measurements (in mm): carapace 104.2 x 88.2, shell length 126.4

Estimated body mass: 199.4 g based on carapace length