Aspideretoides superstes Russell 1930 (turtle)

Reptilia - Testudines - Pantrionychidae

Alternative combinations: Aspideretes superstes, Atoposemys superstes

Synonym: Atoposemys entopteros Hutchison 2013

Full reference: L. S. Russell. 1930. A new species of Aspideretes from the Paskapoo Formation of Alberta. American Journal of Science 115:27-32

Belongs to Aspideretoides according to W. G. Joyce et al. 2016

See also Hutchison 2013, Russell 1930 and Vitek and Joyce 2015

Sister taxa: Aspideretoides allani, Aspideretoides beecheri, Aspideretoides foveatus, Aspideretoides robertemryi

Type specimens:

  • Aspideretoides superstes: UA 334, a partial skeleton (carapace). Its type locality is Highwood River, which is in a Paleocene terrestrial horizon in the Paskapoo Formation of Canada.
  • Atoposemys entopteros: UCMP 133900, a partial skeleton (incomplete postcranial skeleton consisting of complete carapace, nearly complete plastron except epiplastra, right and left scapula, right coracoid, partial pel). Its type locality is UCMP V86094 Headless Gulch, which is in a Puercan terrestrial horizon in the Fort Union Formation of Montana.

Ecology: aquatic omnivore


• Paleocene of Canada (2: Alberta collections)

• Cretaceous of United States (1: South Dakota)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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