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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 ...
A chordate (/ ˈkɔːrdeɪt / KOR-dayt) is a deuterostomic bilaterial animal belonging to the phylum Chordata (/ kɔːrˈdeɪtə / kor-DAY-tə). All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics (synapomorphies) that distinguish them from other taxa.
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 ...
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 ...
Common box turtles are official state reptiles of three U.S. states. North Carolina and Tennessee honor the eastern box turtle, [14] [15] [16] Kansas adopted the ornate box turtle in 1986. [17] [18] In Pennsylvania, the eastern box turtle made it through one house of the legislature, but failed to win final naming in 2009. [19]
2.2.2.5.2 Class Reptilia: Reptiles. 2.2.2.5.3 Class ... This article contains a list of all of the classes and orders that are located in the Phylum Chordata ...
Crocodylia, as coined by Wermuth, [3] in regards to the genus Crocodylus appears to be derived from the ancient Greek [8] κρόκη (kroke)—meaning shingle or pebble—and δρîλος or δρεîλος (dr (e)ilos) for "worm". The name may refer to the animal's habit of resting on the pebbled shores of the Nile. [9]
Xenopeltis, the sunbeam snakes, [2] are the sole genus of the monotypic family Xenopeltidae, the species of which are found in Southeast Asia. Sunbeam snakes are known for their highly iridescent scales. Three species are recognized, each one with no subspecies. [3] Studies of DNA suggest that the xenopeltids are most closely related to the ...