Trionyx allani Gilmore 1923 (softshell turtle)

Reptilia - Testudines - Trionychidae

Alternative combinations: Aspideretes allani, Eugenechelys allani

Full reference: C. W. Gilmore. 1923. A new species of Aspideretes from the Belly River Cretaceous of Alberta, Canada. Transactions of the Royal Society of Canada, Section 4, Series 3 17:1-10

Belongs to Trionyx according to N. S. Vitek and W. G. Joyce 2015

See also Chkhikvadze 2000, Danilov and Vitek 2013, Gardner et al. 1995 and Gilmore 1923

Sister taxa: Trionyx admirabilis, Trionyx aequa, Trionyx austerus, Trionyx baynshirensis, Trionyx beecheri, Trionyx boulengeri, Trionyx capellinii, Trionyx dissolutus, Trionyx ellipticus, Trionyx eloisae, Trionyx foveatus, Trionyx gangeticus, Trionyx gilbentuensis, Trionyx gobiensis, Trionyx gregarius, Trionyx henrici, Trionyx ikoviensis, Trionyx impressus, Trionyx jixiensis, Trionyx johnsoni, Trionyx kansaiensis, Trionyx latus, Trionyx leucopotamicus, Trionyx linchuensis, Trionyx messelianus, Trionyx miensis, Trionyx minusculus, Trionyx miocaenus, Trionyx mira, Trionyx ninae, Trionyx onomatoplokos, Trionyx phayrei, Trionyx pliocenicus, Trionyx reesidei, Trionyx riabinini, Trionyx robustus, Trionyx shiluutulensis, Trionyx silvestris, Trionyx singularis, Trionyx triunguis, Trionyx uintaensis, Trionyx vegetus, Trionyx vindobonensis

Type specimen: UALVP 01, a partial skeleton. Its type locality is Sand Creek (200 ft level) [UA], which is in a Campanian terrestrial horizon in the Belly River Formation of Canada.

Ecology: aquatic piscivore-carnivore

Distribution: found only at Sand Creek (200 ft level) [UA]

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