Vertebrate Zoology

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Helodermatidae

A Dictionary of Zoology | 1999 | | Copyright

Helodermatidae (beaded lizards, venomous lizards; order Squamata, suborder Sauria) A family that comprises the only poisonous lizards. The venom glands are at the rear of the lower jaw (unlike those of snakes). The body is cylindrical, with powerful limbs, and a thick, rounded tail. The upper surface is covered with large, bony scales. Heloderma suspectum (gila monster) is a sluggish, nocturnal lizard, mainly pink and brown with black shading, up to 60 cm long, that burrows in sand and preys principally on small rodents; its bite is seldom fatal to humans. There are two species in the family, occurring from Nevada to Mexico.

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MICHAEL ALLABY. "Helodermatidae." A Dictionary of Zoology. 1999. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Helodermatidae." A Dictionary of Zoology. 1999. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O8-Helodermatidae.html

MICHAEL ALLABY. "Helodermatidae." A Dictionary of Zoology. 1999. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-Helodermatidae.html

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beaded lizard

The Columbia Encyclopedia, 6th ed. | 2008 | Copyright

beaded lizard see gila monster .

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"beaded lizard." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>.

"beaded lizard." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1E1-X-beadedli.html

"beaded lizard." The Columbia Encyclopedia, 6th ed.. 2008. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-beadedli.html

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beaded lizard

A Dictionary of Zoology | 1999 | | Copyright

beaded lizard See HELODERMATIDAE.

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MICHAEL ALLABY. "beaded lizard." A Dictionary of Zoology. 1999. Encyclopedia.com. 10 Feb. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "beaded lizard." A Dictionary of Zoology. 1999. Encyclopedia.com. (February 10, 2012). http://www.encyclopedia.com/doc/1O8-beadedlizard.html

MICHAEL ALLABY. "beaded lizard." A Dictionary of Zoology. 1999. Retrieved February 10, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-beadedlizard.html

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