Taxa
Helodermatidae
Family
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Helodermatidae, the beaded lizards, is a small family of lizards native today to North America, chiefly the Isthmus of Tehuantepec in Oaxaca, the Chiapas lowlands and the Guatemala border area, though it was more widespread in the past. Named by John Edward Gray in 1837, the family contains one living genus, Heloderma, whose best known members are the Gila monster and the Mexican beaded lizard, the latter recently split into several separate species, alongside two extinct genera, Eurheloderma and Lowesaurus.
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Helodermatidae (Wikipedia)
IntroductionQuote, Introduction
The Helodermatidae or beaded lizards are a small family of lizards endemic to North America today, mainly found in the Isthmus of Tehuantepec in Oaxaca, the central lowlands of Chiapas, on the border of Guatemala, and in the Nentón River Valley, though they were formerly more widespread in the ancient past.
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