Family Helodermatidae Gray 1837 (squamates)
Reptilia - Squamata - Helodermatidae
Alternative spelling: Helodermidae
Parent taxon: Varanoidea according to R. Estes 1983
See also Baur 1890, Carroll 1988, Cope 1871, Cope 1875, Estes et al. 1988, Frank and Ramus 1996, Gadow 1898, Gao and Fox 1996, Hay 1930, Kuhn 1946, Kuhn 1966, McDowell and Bogert 1954, Norell and Gao 1997, Peng et al. 2001, Perrier 1928 and Seiffert 1975
Sister taxa: Aiolosaurus, Arcanosaurus, Heloderma, Judeasaurus, Lanthanotidae, Ovoo, Pachyvaranidae, Saniwinae, Varanidae
Subtaxa: none
Type: Heloderma
Ecology: ground dwelling carnivore
Distribution: