Reptilia - Testudines - Nanhsiungchelyidae

The original quarry coordinates of CMN 57059 provided by C. M. Sternberg (1924 field notes, CMN) are Sec. 4, Twp. 32, R. 21, W. of 4, 50 [15.2 m] above river. A labeled map at the CMN further locates the site in the lower southwest quadrant of Sec. 4. One of us (D.B.B.) was able to relocate the site with E. Hiller in 1992 and can confirm that it is located within the lower Maastrichtian Horsethief Member of the Horseshoe Canyon Formation. EV: the conversion of the Legal Land Description to Coordinates gave me this locality

Full reference: J. C. Mallon and D. B. Brinkman. 2018. Basilemys morrinensis, a new species of nanhsiungchelyid turtle from the Horseshoe Canyon Formation (Upper Cretaceous) of Alberta, Canada. Journal of Vertebrate Paleontology 38(2):e1431922:1-11

Belongs to Basilemys according to J. C. Mallon and D. B. Brinkman 2018

Sister taxa: Basilemys gaffneyi, Basilemys imbricarius, Basilemys nobilis, Basilemys ogmius, Basilemys praeclara, Basilemys sinuosa, Basilemys variolosa

Type specimen: CMN 57059, a shell. Its type locality is CMN Basilemys morrinensis type locality, which is in a Maastrichtian terrestrial ironstone/claystone in the Horseshoe Canyon Formation of Canada.

Ecology: aquatic omnivore

Distribution: found only at CMN Basilemys morrinensis type locality

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Specimen images are retrieved through the ePANDDA API.