†Exostinus lancensis Gilmore 1928 (squamates)

Reptilia - Squamata - Xenosauridae

Synonyms: Harpagosaurus parvus Gilmore 1928, Prionosaurus regularis Gilmore 1928

Full reference: C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201

Belongs to Exostinus according to K. -Q. Gao and R. C. Fox 1996

See also Bryant 1989, Estes 1964, Estes 1976, Estes 1983, Estes and Berberian 1970, Gilmore 1928, Hay 1930 and Longrich et al. 2012

Sister taxon: Exostinus serratus

Type specimens:

  • Exostinus lancensis: USNM 10689, a maxilla. Its type locality is Lance Creek area (non-specific), which is in a Maastrichtian terrestrial horizon in the Lance Formation of Wyoming.
  • Harpagosaurus parvus: USNM 10803, a maxilla (right maxilla with 14 teeth). Its type locality is Peterson's Quarry, which is in a Lancian terrestrial horizon in the Lance Formation of Wyoming.
  • Prionosaurus regularis: USNM 10750, a maxilla (incomplete maxilla with 8 teeth). Its type locality is Lance Creek (AMNH 1892 general), which is in a Maastrichtian terrestrial horizon in the Lance Formation of Wyoming.

Ecology: carnivore

Distribution:

• Paleocene of United States (2: Montana, Wyoming collections)

• Cretaceous of United States (12: Montana, South Dakota, Wyoming)

Total: 14 collections including 15 occurrences

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Specimen images are retrieved through the ePANDDA API.


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