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Reptiles, as commonly defined, are a group of tetrapods with an ectothermic ('cold-blooded') metabolism and amniotic development. Living reptiles comprise four orders: Testudines ( turtles ), Crocodilia ( crocodilians ), Squamata ( lizards and snakes ), and Rhynchocephalia (the tuatara ).
- List of Reptiles
Reptiles are tetrapod animals in the class Reptilia,...
- Squamata
Squamata (/ s k w æ ˈ m eɪ t ə /, Latin squamatus, 'scaly,...
- Reptile (Disambiguation)
A reptile is a tetrapod vertebrate of the taxonomic class...
- Eureptilia
Skull of Hylonomus, a eureptile and one of the oldest known...
- Dinosauria
Birds are avian dinosaurs, and in phylogenetic taxonomy are...
- Aves
Birds are a group of warm-blooded vertebrates constituting...
- Diapsid
Characteristics Diagram of the diapsid skull with temporal...
- Lepidosauria
The Lepidosauria (/ ˌ l ɛ p ɪ d oʊ ˈ s ɔː r i ə /, from...
- Reptile (film)
English. Reptile is a 2023 American crime thriller film...
- Evolution of reptiles
The main points to the transition from reptile to bird are...
- List of Reptiles
Reptile is the common name for one of the main groups of land vertebrates. It is not used so much by biologists, who use more accurate terms. The name "reptile" comes from Latin and means "one who creeps". All living reptile species are cold blooded, have scaly skin, and lay cleidoic eggs.
Turtles, or testudines, are reptiles of the order Testudines, characterized by a special shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Cryptodira (hidden necked turtles), which differ in the way the head retracts.
Marine reptiles are reptiles which have become secondarily adapted for an aquatic or semiaquatic life in a marine environment. Only about 100 of the 12,000 extant reptile species and subspecies are classed as marine reptiles, including marine iguanas, sea snakes, sea turtles, and saltwater crocodiles. [1]
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