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Psephophorus polygonus von Meyer 1847 (leatherback)

Reptilia - Testudines - Dermochelyidae

PaleoDB taxon number: 317849

Synonym: Psephophorus calvertensis Palmer 1909 (taxon 83314)

Belongs to Psephophorus according to M. E. Peters et al. 2019

Sister taxa: Psephophorus pseudostracion, Psephophorus rupeliensis, Psephophorus scaldii, Psephophorus terrypratchetti

Type specimens:

  • Psephophorus polygonus: NHMW 2011/0330/0001 (neotype), a partial shell (a slab containing ridge and non-ridge ossicles)
  • Psephophorus calvertensis: USNM 6059, a partial shell.

Ecology: aquatic durophage-piscivore