| NOUN | animal | genus Heloderma, Heloderma | type genus of the Helodermatidae |
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| Meaning | type genus of the Helodermatidae; American venomous lizards. | |
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| Synonym | Heloderma | |
| Member of | Helodermatidae, family Helodermatidae | Only known venomous lizards |
| Members | Gila monster, Heloderma suspectum | large orange and black lizard of southwestern United States |
| beaded lizard, Mexican beaded lizard, Heloderma horridum | lizard with black and yellowish beadlike scales | |
| Broader | reptile genus | A genus of reptiles |