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Reptiles, as commonly defined, are a group of tetrapods with an ectothermic ('cold-blooded') metabolism and amniotic development.Living traditional reptiles comprise four orders: Testudines (), Crocodilia (crocodilians), Squamata (lizards and snakes), and Rhynchocephalia (the tuatara).
Sauropterygians were a diverse group of aquatic reptiles adapted for flipper-based aquatic locomotion. This group included the plesiosaurs, nothosaurs, and placodonts. Mosasaurs were a group of large, aquatic squamates (relatives of modern-day lizards and snakes) which became the dominant marine predators towards the end of the Cretaceous period.
Grayia smythii (Smith's African water snake) Homalopsidae (Bockadams) [1] Bitia hydroides (Keel-bellied water snake) Cantoria violacea (Cantor's water snake) Cerberus (Dog-faced water snakes) Cerberus australis Cerberus dunsoni Cerberus microlepis Cerberus rynchops Cerberus schneiderii. Djokoiskandarus annulata (Banded water snake) Myrrophis
Restoration of Mosasaurus hoffmannii, an extinct marine lizard.. Squamata is the largest order of reptiles, comprising lizards, snakes, and amphisbaenians (worm lizards). There are many examples of aquatic squamates, both living and extinct; a secondarily aquatic lifestyle has evolved multiple times.
Crocodiles are one of the most fascinating reptile species in the world. Often called “living dinosaurs” due to their shared ancestor, archosaurs, they’re also some of the keenest predators ...
Reptiles, as commonly defined, are a group of tetrapods with an ectothermic ('cold-blooded') metabolism and amniotic development.Living traditional reptiles comprise four orders: Testudines (), Crocodilia (crocodilians), Squamata (lizards and snakes), and Rhynchocephalia (the tuatara).
Aquatic animals generally conduct gas exchange in water by extracting dissolved oxygen via specialised respiratory organs called gills, through the skin or across enteral mucosae, although some are evolved from terrestrial ancestors that re-adapted to aquatic environments (e.g. marine reptiles and marine mammals), in which case they actually ...
Gorgeously green, Chinese Water Dragons can make for a beautiful reptile pet. These happy-go-lucky four-legged friends are up there with being one of the friendliest lizards out there.