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The origin of the reptiles lies about 320–310 million years ago, in the swamps of the late Carboniferous period, when the first reptiles evolved from advanced labyrinthodonts. [2] The oldest known animal that may have been an amniote , a reptile rather than an amphibian , is Casineria [ 3 ] [ 4 ] (though it has also been argued to be a ...
Weight. 100–150 kg (200–350 lb) [1] Jonathan (hatched c. 1832) [2][3] is a Seychelles giant tortoise (Aldabrachelys gigantea hololissa), a subspecies of the Aldabra giant tortoise (Aldabrachelys gigantea). His approximate age is estimated to be 191 as of 2024, making him the oldest known living land animal. [4][5] Jonathan resides on the ...
Hatteria. (Gray, 1842) (rejected name) Rhynchocephalus. (Owen, 1845) (rejected name) The tuatara (Sphenodon punctatus) is a species of reptile endemic to New Zealand. Despite its close resemblance to lizards, it is part of a distinct lineage, the order Rhynchocephalia. [8] The name tuatara is derived from the Māori language and means "peaks on ...
Named Gondwanax paraisensis, the four-legged reptile species was roughly the size of a small dog with a long tail, or about 1 meter (39 inches) long and weighing between 3 and 6 kg (7 to 13 pounds ...
Type species. †Hylonomus lyelli. Dawson, 1860. Hylonomus (/ haɪˈlɒnəməs /; hylo- "forest" + nomos "dweller") [2] is an extinct genus of reptile that lived 318 million years ago during the Bashkirian stage of the Late Carboniferous. It is the earliest known crown group amniote and the oldest known unquestionable reptile, with the only ...
Tortoises (/ ˈtɔːrtəs.ɪz / TOR-təs-iz) are reptiles of the family Testudinidae of the order Testudines (Latin for "tortoise"). Like other turtles, tortoises have a shell to protect from predation and other threats. The shell in tortoises is generally hard, and like other members of the suborder Cryptodira, they retract their necks and ...
Pterodactylus (from Ancient Greek: πτεροδάκτυλος, romanized: pterodáktylos 'winged finger'[2]) is a genus of extinct pterosaurs. It is thought to contain only a single species, Pterodactylus antiquus, which was the first pterosaur to be named and identified as a flying reptile and one of the first prehistoric reptiles to ever be ...
But it’s possible that the 202 million-year-old reptile, known as an ichthyosaur or “fish lizard,” may have rivaled it in size. ... Since then, fossils belonging to more than 100 species of ...