Reptiles arose about 320 million years ago during the Carboniferous period. Reptiles, in the traditional sense of the term, are defined as animals that...

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...

of modern amphibians, is called herpetology. Reptiles have been subject to several conflicting taxonomic definitions. In Linnaean taxonomy, reptiles are...

male reptiles. In all reptiles and mammals the sperm storage region of the epididymis can objectively be identified as that distal extremity of the epididymis...

study of these traditional reptile orders, historically combined with that of modern amphibians, is called herpetology. The following list of reptiles lists...

the early evolution of reptiles classified the Ichthyosauromorpha as basal archosauromorphs, forming a clade with the other marine reptile groups Thalattosauria...

extinct stem-group relatives of modern reptiles and birds (which, as theropod dinosaurs, are nested within reptiles as more closely related to crocodilians...

relatives are squamates (lizards and snakes). Tuatara are of interest for studying the evolution of reptiles. Tuatara are greenish brown and grey, and measure...

problems in the ecology, evolution, physiology, behavior, taxonomy, or molecular biology of amphibians and reptiles. Amphibians or reptiles can be used as model...

Latin squamatus, 'scaly, having scales') is the largest order of reptiles; most members of which are commonly known as lizards, with the group also including...

Lizard is the common name used for all squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, ranging...

Evolution is the change in the heritable characteristics of biological populations over successive generations. It occurs when evolutionary processes...

allowing for a movable neck. The cleithrum disappeared early in the evolution of reptiles, and in amniotes is very small or absent. It has been argued based...

natural evolved grouping. For instance, descendants of the first reptiles include modern reptiles, mammals and birds; the agnathans have given rise to...

Snakes are elongated limbless reptiles of the suborder Serpentes (/sɜːrˈpɛntiːz/). Cladistically squamates, snakes are ectothermic, amniote vertebrates...

between the base of the clavicles, although this is not found in living amphibians. The cleithrum disappeared early in the evolution of reptiles, and is not...

ancestor and radiation of species Evolution of reptiles – Origin and diversification of reptiles through geologic time Evolution of brachiopods – The origin...

Turtles are reptiles of the order Testudines, characterized by a special shell developed mainly from their ribs. Modern turtles are divided into two major...

mammals are known to prey on reptiles, the major predator is other reptiles. Some reptiles eat reptile eggs, for example the diet of the Nile monitor includes...

were historically simply called "reptiles". Therefore, stem group synapsids were then described as mammal-like reptiles in classical systematics, and non-therapsid...

examining the evolution of reproductive mode in squamate reptiles". Journal of Experimental Zoology Part B: Molecular and Developmental Evolution. 324 (6):...

Sauropterygia ("lizard flippers") is an extinct taxon of diverse, aquatic diapsid reptiles that developed from terrestrial ancestors soon after the end-Permian...

Reptilian humanoids, or anthropomorphic reptiles, also called reptiloids, etc., appear in folklore, fiction, and conspiracy theories. In South Asian and...

The evolution of cetaceans is thought to have begun in the Indian subcontinent from even-toed ungulates (Artiodactyla) 50 million years ago (mya) and to...

contribution to the jaw joint. Early in their evolution, diapsid reptiles evolved a lower temporal bar which was composed of the quadratojugal and jugal. The lower...

The list of reptiles of Vermont includes all reptile species living in the US state of Vermont. The list does not include species found only in captivity...

In particular, Muñoz researches the influence of biomechanics and behavior on evolution in reptiles, amphibians, and fishes. In 2024, she was named...

Morphology and Evolution of Ornithopod Dinosaurs". In Ferguson, M.W.J. (ed.). The Structure, Development, and Evolution of Reptiles. Vol. 52. Symposia of the Zoological...

"mammal-like reptiles" or "pelycosaurs", but both are now seen as outdated and disfavored paraphyletic terms, since they were not reptiles, nor part of reptile lineage...

increase in scrotal storage of sperm corresponds with epididymis evolution from reptiles to mammals. The mechanism by which sperm storage in the epididymis...