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Il y a 2 jours · Temnospondyli (from Greek τέμνειν, temnein 'to cut' and σπόνδυλος, spondylos 'vertebra') or temnospondyls is a diverse ancient order of small to giant tetrapods —often considered primitive amphibians —that flourished worldwide during the Carboniferous, Permian and Triassic periods, with fossils being found on ...
Il y a 2 jours · Teleostei ( / ˌtɛliˈɒstiaɪ /; Greek teleios "complete" + osteon "bone"), members of which are known as teleosts ( / ˈtɛliɒsts, ˈtiːli -/ ), [4] is, by far, the largest infraclass in the class Actinopterygii, the ray-finned fishes, [a] and contains 96% of all extant species of fish. Teleosts are arranged into about 40 orders and 448 families.
Il y a 5 jours · First appearing about 340 million years ago during the Middle Mississippian Epoch, they were one of the earliest groups to diverge from ancestral fish-tetrapod stock during the evolution of animals from strictly aquatic forms to terrestrial types.
Il y a 4 jours · Squamates are a monophyletic sister group to the rhynchocephalians, members of the order Rhynchocephalia. The only surviving member of the Rhynchocephalia is the tuatara. Squamata and Rhynchocephalia form the subclass Lepidosauria, which is the sister group to the Archosauria, the clade that contains crocodiles and birds, and their extinct ...
Il y a 2 jours · Deer appear in art from Paleolithic cave paintings onwards, and they have played a role in mythology, religion, and literature throughout history, as well as in heraldry, such as red deer that appear in the coat of arms of Åland. [2] Their economic importance includes the use of their meat as venison, their skins as soft, strong buckskin, and their antlers as handles for knives. Deer hunting ...
Il y a 1 jour · Tetrapoda. Mammals. Primates. Hominidae. Homo sapiens. See also. Evolutionary biology portal. Evolution of human intelligence. Graphical timeline of the universe. Human evolution. Recent human evolution. List of human evolution fossils. Natural history.
Il y a 4 jours · a vertebrate animal having four feet or legs or leglike appendages.
