Heloderma is a genus of toxicoferan lizards that contains five species, all of which are venomous. [1] It is the only extant genus of the family Helodermatidae.

The Mexican beaded lizard (Heloderma horridum) or beaded lizard is a species of lizard in the family Helodermatidae, one of the two species of venomous beaded lizards found principally in …

The Gila monster (Heloderma suspectum, / ˈ h iː l ə / HEE-lə) is a species of venomous lizard native to the Southwestern United States and the northwestern Mexican state of Sonora. It is a …

2025年2月21日 · Gila monster, one of two species of North American venomous lizards in the genus Heloderma of the family Helodermatidae. The Gila monster was named for the Gila …

The Mexican beaded lizard (Heloderma horridum) is the most famous of the four species of venomous beaded lizards found principally in Mexico and southern Guatemala. They and their …

2023年3月29日 · A Gila monster, heloderma suspectum, out on an evening forage. These venomous reptiles are native to the deserts of the American Southwest and Northwestern …

Anatomy and morphology of Heloderma - Photos and text: The inner and outer organs of Heloderma,skull with dentition, isolated and prepared organs, hatching problems - deformations

Helodermatidae consists of one genus and two species, Heloderma suspectum and H. suspectum, which are found in the southwestern United States and Mexico respectively. They …

2015年7月30日 · Molecular evidence suggests Heloderma went through a long period of stasis before the Mexican beaded lizard split off around 10 million years ago, and another long …

The genus Heloderma has existed since at least the early Miocene (about 23 million years ago). Today only two species remain: the Gila monster (Heloderma suspectum) and the Mexican …