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Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Tetrapod taxa (3 C) Pages in category "Tetrapods"
The group does not seem to have diversified to the same extent in the east as they did in the west given that no diadectids are known from Russia, which has an extensive fossil record of Early and Middle Permian tetrapod assemblages.
The oldest near-complete tetrapod fossils, Acanthostega and Ichthyostega, date from the second half of the Fammennian. [56] [57] Although both were essentially four-footed fish, Ichthyostega is the earliest known tetrapod that may have had the ability to pull itself onto land and drag itself forward with its forelimbs. There is no evidence that ...
Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... Prehistoric tetrapod stubs (5 C, 73 P)
Permian tetrapods were amphibians and reptiles that lived during the Permian Period.. During this time, amphibians remained common, including various Temnospondyli and Lepospondyli.
Lepospondyl and tetrapod classification is still controversial, and even recent studies have had doubts about lepospondyl monophyly. For example, a 2007 paper has suggested that adelospondyls are stem-tetrapods close to colosteids [ 5 ] and a 2017 paper on Lethiscus has Aïstopoda in the tetrapod stem based on their primitive braincase. [ 18 ]
A tetrapod (Greek for four feet) is a vertebrate with limbs (feet). Tetrapods evolved from ancient lobe-finned fishes about 400 million years ago during the Devonian Period when their earliest ancestors emerged from the sea and adapted to living on land . [ 17 ]
Tetrapodomorpha (also known as Choanata [3]) is a clade of vertebrates consisting of tetrapods (four-limbed vertebrates) and their closest sarcopterygian relatives that are more closely related to living tetrapods than to living lungfish.