Synonym: Trachyderma Wiedmann 1829 [replaced name]
Parent taxon: Varanoidea according to M. S. Y. Lee and M. W. Caldwell 2000
See also Carroll 1988, Cope 1875, Estes 1983, Frank and Ramus 1996, Galbreath 1953, Hay 1930, Kuhn 1966 and Yi and Norell 2013
Sister taxa: Aiolosaurus, Arcanosaurus, Helodermatidae, Judeasaurus, Lanthanotidae, Ovoo, Pachyvaranidae, Saniwinae, Varanidae
Subtaxa: Heloderma horridum Heloderma suspectum Heloderma texana
Type: Trachyderma horridum
Ecology: carnivore
Distribution:
• Quaternary of United States (3: Arizona, California, Nevada collections)
• Hemphillian of United States (1: Tennessee)
• Miocene of United States (1: Florida)
• Harrisonian of United States (1: Texas)
• Silurian of the United Kingdom (1)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.