speciesranging

navigate by keyword : 6000 across all andaman antarctica calotes chains color colors continents defined evolutionary except extant form grade green group island lacertilia lepidosauria lizards members most neither oceanic over overlapping recognized reptiles scales snakes speciesranging sphenodonts squamate suborder traditionally tuatara versicolor well widespread

Lizards are a widespread group of squamate reptiles, with over 6,000 species,ranging across all continents except Antarctica, as well as most oceanic island chains. The group, traditionally recognized as the suborder Lacertilia, is defined as all extant members of the Lepidosauria reptiles with overlapping scales that are neither sphenodonts i.e., tuatara nor snakes Ã¢â¬â they form an evolutionary grade.