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

Reptiles, as commonly defined, are a group of tetrapods with an ectothermic ('cold-blooded') metabolism and amniotic development. Living reptiles comprise...

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...

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

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

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

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...

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...

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

Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes (/sɜːrˈpɛntiːz/). Like all other squamates, snakes are ectothermic, amniote...