Chameleons (family Chamaeleonidae) are squamates that belong to one of the best-known lizard families. The name "chameleon" means "Earth lion" and it's the latinized form of the Ancient Greek ????????? (khamaileon), ?crawling lion?, from < ????? (khamai) "on the earth, on the ground" + ???? (leon) "lion". Description Chameleons vary greatly in size and body structure, with total length from approximately 1 inch (2.5 cm) in Brookesia minima, to 31 inches (79 cm) in the male Furcifer oustaleti. There is a species, thought to be unique to Malawi's Mount Mulanje, which is 0.6 in (1 cm) across when fully grown. Many have head or facial ornamentation, such as nasal protrusions, or horn-like projections in the case of Chamaeleo jacksonii, or large crests on top of their head, like Chamaeleo calyptratus. Many species are sexually dimorphic, and m