Trionyx mira Hay 1908 (softshell turtle)

Reptilia - Testudines - Trionychidae

Alternative combination: Amyda mira

Synonyms: Apalone extensa Hay 1908, Apalone postera Hay 1908, Platypeltis extensa Hay 1908, Platypeltis postera Hay 1908

Full reference: O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568

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

See also Hay 1908 and Hutchison 1996

Sister taxa: Trionyx admirabilis, Trionyx aequa, Trionyx allani, 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 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 specimens:

  • Trionyx mira: AMNH 6130, a partial skeleton (the skull, without the lower jaw; the carapace complete; and the plastron, excepting the entoplastron, the epiplastra, and a portion of the left hyoplastron). Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
  • Platypeltis extensa: AMNH 5951, a partial shell. Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
  • Platypeltis postera: AMNH 6133, a partial shell. Its type locality is Sage Creek (Bridger C), which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.

Ecology: aquatic piscivore-carnivore

Distribution: found only at Grizzly Buttes

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Specimen images are retrieved through the ePANDDA API.


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