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It is the earliest known crown group amniote and the oldest known unquestionable reptile, with the only known species being Hylonomus lyelli. [3] [1] Despite being amongst the oldest known reptiles, it is not the most primitive member of the group, being a eureptile more derived than either parareptiles or captorhinids.
The oldest known anguid, with the most complete fossil record of any lizard, is Odaxosaurus, a member of the extinct anguid subfamily Glyptosaurinae, from the late Campanian of Canada, about 75 million years ago.
Its fossils are dated to the latest Permian of Russia and Poland, it is one of the earliest known archosauriforms. The type and only species is Archosaurus rossicus, known from several fragmentary specimens which cumulatively represent parts of the skull and cervical vertebrae. [2] [3] It would have been 3 metres (9.8 ft) long when fully grown. [4]
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 ...
The world’s oldest known fossilized skin belonged to a species of reptile that lived before dinosaurs roamed the Earth, a new study has found. Rare skin fossil is oldest by 130 million years ...
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 temnospondyl amphibian). [5] A series of footprints from the fossil strata of Nova Scotia, dated to 315 million years, show typical reptilian toes and imprints of scales. [6]
It has been suggested to be one of the oldest known lizards and the oldest known iguanian. [1] The type and only species is Bharatagama rebbanensis , named in 2002. Over one hundred fossils of Bharatagama have been found in the Kota Formation , which outcrops in the Pranhita–Godavari Basin and dates back to about 190 million years ago (Ma).
The skin, which has a pebbled surface and most closely resembles crocodile skin, belonged to an early species of Palaeozoic reptile. Study describes oldest known evidence of fossilised skin Skip ...