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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Heloderma, the only genus of the family Helodermatidae, consists of venomous lizards native to the southwestern United States, Mexico and as far south as Guatemala. It includes two separate species, with six subspecies. Their closest living relatives are the anguid lizards. Helodermatids are large, stocky, slow-moving reptiles that prefer semi-arid habitats. The tails are short and used as fat storage organs. They are covered with small, non-overlapping bead-like scales, with osteoderms on the underside of the body. Both species are dark in color, with yellowish or pinkish markings. Members of the family are venomous. Unlike snakes, venom glands are located in the lower jaw, and cannot be ejected under pressure. The venom is typically used only in defense, rather than in subduing prey, and the lizard must chew on its victim to work the venom into the flesh. Venom glands are believed to have evolved early in the lineage leading to the modern helodermatids, as there are indications of their presence even in the 65-million-year-old fossil genus Paraderma.
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- PublisherAlphascript Publishing
- Publication date2010
- ISBN 10 6130676018
- ISBN 13 9786130676018
- BindingTapa blanda
- LanguageEnglish
- Number of pages88
- EditorMiller Frederic P., Vandome Agnes F., McBrewster John
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Heloderma
Published by
Alphascript Publishing, 2010
ISBN 10: 6130676018
ISBN 13: 9786130676018
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Taschenbuch
Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Germany
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Heloderma, the only genus of the family Helodermatidae, consists of venomous lizards native to the southwestern United States, Mexico and as far south as Guatemala. It includes two separate species, with six subspecies. Their closest living relatives are the anguid lizards. Helodermatids are large, stocky, slow-moving reptiles that prefer semi-arid habitats. The tails are short and used as fat storage organs. They are covered with small, non-overlapping bead-like scales, with osteoderms on the underside of the body. Both species are dark in color, with yellowish or pinkish markings. Members of the family are venomous. Unlike snakes, venom glands are located in the lower jaw, and cannot be ejected under pressure. The venom is typically used only in defense, rather than in subduing prey, and the lizard must chew on its victim to work the venom into the flesh. Venom glands are believed to have evolved early in the lineage leading to the modern helodermatids, as there are indications of their presence even in the 65-million-year-old fossil genus Paraderma. 88 pp. Englisch. Seller Inventory # 9786130676018
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