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Hace 2 días · 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 ). As of May 2023, about 12,000 living species of reptiles ...
12 de jun. de 2024 · A reptile is any member of the class Reptilia, the group of air-breathing vertebrates that have internal fertilization, amniotic development, and epidermal scales covering part or all of their body. The major groups of living reptiles are turtles, tuatara, lizards, snakes, and crocodiles.
Hace 2 días · There are four main types of reptiles with each group containing numerous species. The groups are known as Crocodilia, Sphenodontia, Squamata, and Testudines. The Crocodilians are a family of reptiles that consists of alligators, caimans, crocodiles, and Gavialis (gharials). The Sphenodontia are a family of reptiles that consists of two species ...
Hace 6 días · The largest living species of turtle (and fourth-largest reptile) is the leatherback turtle, which can reach over 2.7 m (8 ft 10 in) in length and weigh over 500 kg (1,100 lb). The largest known turtle was Archelon ischyros , a Late Cretaceous sea turtle up to 4.5 m (15 ft) long, 5.25 m (17 ft) wide between the tips of the front flippers, and ...
12 de jun. de 2024 · Lizard, (suborder Sauria), any of more than 5,500 species of reptiles belonging in the order Squamata (which also includes snakes, suborder Serpentes). Lizards are scaly-skinned reptiles that are usually distinguished from snakes by the possession of legs, movable eyelids, and external ear.
26 de jun. de 2024 · turtle, (order Testudines), any reptile with a body encased in a bony shell, including tortoises. Although numerous animals , from invertebrates to mammals , have evolved shells, none has an architecture like that of turtles.
Hace 5 días · Reptiles are a class of animals that include snakes, lizards, turtles, and crocodiles. They have scaly skin, lay eggs, and breathe air through lungs. Reptiles inhabit various environments, from deserts to forests, and play essential roles in maintaining ecological balance.
