Heloderma


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Related to Heloderma: Heloderma horridum, Heloderma suspectum, Komodo dragon, sea snake

Heloderma

[‚hē·lō′dər·mə]
(vertebrate zoology)
The single genus in the reptilian family Helodermatidae; contains the only known poisonous lizards, the Gila monster (H. suspectum) and the beaded lizard (H. horridum).
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References in periodicals archive ?
A new species of coccidian, Eimeria becki, is described from the feces of 3/3 Gila monsters, Heloderma suspectum (Helodermatidae), housed at the Dallas Zoo.
The Gila monster, Heloderma suspectum Cope, 1869 is a large, heavy bodied venomous lizard that ranges from extreme southwestern Utah to northern Sinaloa, Mexico (Stebbins, 1985).
It is derived from the saliva of Heloderma suspectum, the Gila monster.
Consideration of the intervening physiography between Mexican and Guatemalan populations of Heloderma and the historical geology of the region prompted speculation that ancestral populations gained entry into the Motagua Valley not from the Grijalva Depression, but from along the Pacific corridor and the Santa Rosa-Jalapa lowlands (Campbell and Vannini, 1988).