Sauromalus ater

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Western Chuckwalla

Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Order: Squamata
Suborder: Iguania
Family: Iguanidae
Genus: Sauromalus
Species: S. ater
Binomial name
Sauromalus ater
(Dumeril, 1856)

Sauromalus ater is the Common Chuckwalla. It is also called Sauromalus obesus; although the name is no longer officially recognized, it is still very common in the literature and it remains in many standard natural history references for North America. The generic name comes from Greek, sauros = lizard and omalos = flat, referring to the body shape. The epithet ater, from Latin, means "black".

Common Chuckwalla Sauromalus ater at Bristol Zoo, England
Common Chuckwalla Sauromalus ater at Bristol Zoo, England
Collared Lizard (Crotaphytus collaris, on left) and Common Chuckwallah (Sauromalus ater, on right).
Collared Lizard (Crotaphytus collaris, on left) and Common Chuckwallah (Sauromalus ater, on right).

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