Helodermoides tuberculatus Douglass 1903 (squamates)

Reptilia - Squamata - Anguidae

Alternative combination: Glyptosaurus tuberculatus

Synonyms: Glyptosaurus giganteus Gilmore 1928, Glyptosaurus montanus Douglass 1908

Full reference: E. Douglass. 1903. New vertebrates from the Montana Tertiary. Annals of Carnegie Museum 2(5):145-199

Belongs to Helodermoides according to D. Maddox and W. P. Wall 1998

See also Douglass 1903, Gilmore 1928 and Gilmore 1938

Sister taxa: none

Type specimens:

  • Helodermoides tuberculatus: C.M. No. 707, a partial skull (partial skull and mandible). Its type locality is Pipestone Springs, which is in a Chadronian terrestrial claystone in the Renova Formation of Montana.
  • Glyptosaurus giganteus: CM 1471, a partial skull (greater portion of frontal region of skull, covered with osseous dermal scutes).
  • Glyptosaurus montanus: CM 1050 (nearly complete skull and lower jaws, partial limb and phalangeal bones). Its type locality is McCarty's Mountain, which is in a Chadronian wet floodplain tuff in the Chadron Formation of Montana.

Ecology: ground dwelling insectivore-carnivore


• Oligocene of United States (3: Nebraska, Wyoming collections)

• Eocene of United States (22: Montana, Nebraska, Wyoming)

Total: 25 collections including 32 occurrences

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Specimen images are retrieved through the ePANDDA API.

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