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This is an accepted version of this page This is the latest accepted revision, reviewed on 4 October 2024. Group of animals including lepidosaurs, testudines, and archosaurs This article is about the animal class. For other uses, see Reptile (disambiguation). Reptiles Temporal range: Late Carboniferous–Present PreꞒ Ꞓ O S D C P T J K Pg N Tuatara Saltwater crocodile Common box turtle ...
Squamata (/ skwæˈmeɪtə /, Latin squamatus, 'scaly, having scales') is the largest order of reptiles, comprising lizards and snakes. With over 12,162 species, [3] it is also the second-largest order of extant (living) vertebrates, after the perciform fish. Squamates are distinguished by their skins, which bear horny scales or shields, and ...
Snakes are elongated, limbless reptiles of the suborder Serpentes (/ sɜːrˈpɛntiːz /). [ 2 ] Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more joints than their lizard ancestors, enabling them to swallow prey much larger than their heads ...
A white-headed dwarf gecko with shed tail. Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives. The study of these traditional reptile orders, historically combined with that of modern amphibians, is called herpetology.
A = Anapsid, B = Synapsid, C = Diapsid. It was traditionally assumed that first reptiles were anapsids, having a solid skull with holes only for the nose, eyes, spinal cord, etc.; [10] the discoveries of synapsid-like openings in the skull roof of the skulls of several members of Parareptilia, including lanthanosuchoids, millerettids, bolosaurids, some nycteroleterids, some procolophonoids and ...
Basal non-mammalian synapsids ("mammal-like reptiles") traditionally also sort under class Reptilia as a separate subclass, [27] but they are more closely related to mammals than to living reptiles. Considerations like these have led some authors to argue for a new classification based purely on phylogeny , disregarding the anatomy and physiology.
What type of thing are reptiles? A reptile can be described as all of the following: Lifeform. Animal. Chordate. Vertebrate. Amniote; Ectotherm; Types of reptiles. List of reptiles. List of largest reptiles. List of largest extant lizards; Lists of reptiles by region; List of U.S. state reptiles; Marine reptile. List of marine reptiles; Reptile ...
The Lepidosauria (/ ˌlɛpɪdoʊˈsɔːriə /, from Greek meaning scaled lizards) is a subclass or superorder of reptiles, containing the orders Squamata and Rhynchocephalia. Squamata includes lizards and snakes. [2] Squamata contains over 9,000 species, making it by far the most species-rich and diverse order of non-avian reptiles in the ...