Mexican beaded lizard generic name "Heloderma" means "studded skin", from the Ancient Greek words "hêlos" (ἧλος)—the head of a nail or stud—and "dérma" (δέρμα), meaning skin. Its specific name, "horrĭdum", is the Latin word meaning rough or rude. The four subspecies of beaded lizard, elevated to full species in 2013, are: Adult beaded lizards range from in length. They are substantially larger than the Gila monster, which only reaches lengths of . The snout-to-vent length of a beaded lizard averages . The average body mass of an adult beaded lizard is , about 45% heavier than the average mass of a gila monster,
Limpopo girdled lizard Limpopo girdled lizard The Limpopo girdled lizard ("Cordylus jonesii"), also known commonly as Jones' armadillo lizard and Jones' girdled lizard, is a species of lizard in the family Cordylidae. The species is endemic to Southern Africa. The specific name, "jonesii", is in honor of a "Mr. C. R. Jones" who collected the holotype. The type locality is the Murchison Range in Limpopo. "C. jonesii" is found along South Africa's border with Botswana, Zimbabwe, and Mozambique. The Limpopo girdled lizard is arboreal and inhabits dry forests, especially mopane woodland. It hides under loose bark and in hollow tree limbs. The dorsal