A tetrapod (/ˈtɛtrəˌpɒd/; from Ancient Greek τετρα- (tetra-) 'four', and πούς (poús) 'foot') is any four-limbed vertebrate animal of the superclass Tetrapoda...

evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe-finned fishes. Tetrapods (under...

A tetrapod is a form of wave-dissipating concrete block used to prevent erosion caused by weather and longshore drift, primarily to enforce coastal structures...

up tetrapod in Wiktionary, the free dictionary. A tetrapod is a four-limbed animal of the superclass Tetrapoda. Tetrapod may also refer to: Tetrapod (structure)...

about 375 Mya (million years ago), having many features akin to those of tetrapods (four-legged animals). Tiktaalik is estimated to have had a total length...

Cladistically, this would make the tetrapods a subgroup of Sarcopterygii and thus sarcopterygians themselves. Non-tetrapod sarcopterygians were once the dominant...

Polydactyly in stem-tetrapods should here be understood as having more than five digits to the finger or foot, a condition that was the natural state...

consisting of tetrapods (four-limbed vertebrates) and their closest sarcopterygian relatives that are more closely related to living tetrapods than to living...

live in marine environments. These are the marine fish and the marine tetrapods (primarily seabirds, marine reptiles, and marine mammals). Vertebrates...

Several groups of tetrapods have undergone secondary aquatic adaptation, an evolutionary transition from being purely terrestrial to living at least part...

from which the head, neck, limbs, tail and other appendages extend. The tetrapod torso — including that of a human — is usually divided into the thoracic...

reported trackways of the earliest land-going vertebrates, also known as tetrapods. These trackways provide crucial insights to the study of the transition...

Carboniferous tetrapods include amphibians and reptiles that lived during the Carboniferous Period. Though stem-tetrapods originated in the preceding...

Tetrapod Spools was an Encinitas, California, USA based independent record label founded in Oak Park, Illinois in 1969 by Louie Easley Hanley and Mark...

fish apparently being irrevocably lost very early in the evolution of tetrapods. While the more derived vertebrates lack gills, the gill arches form during...

Amniotes are tetrapod vertebrate animals belonging to the clade Amniota, a large group that comprises the vast majority of living terrestrial and semiaquatic...

the Isle of Wight. He is founder of the vertebrate palaeozoology blog Tetrapod Zoology, and has written several popular science books. Naish also makes...

moa..." ResearchGate. Retrieved 2020-08-25. Gans, Carl (1975-05-01). "Tetrapod Limblessness: Evolution and Functional Corollaries". Integrative and Comparative...

The zygomaticomaxillary complex fracture, also known as a quadripod fracture, quadramalar fracture, and formerly referred to as a tripod fracture or trimalar...

lobe-finned fish (Sarcopterygii, which gave rise to all land vertebrates, i.e. tetrapods). The oldest known fossils of bony fish are about 425 million years old...

In tetrapod anatomy, lumbar is an adjective that means of or pertaining to the abdominal segment of the torso, between the diaphragm and the sacrum. The...

Permian tetrapods were amphibians and reptiles that lived during the Permian Period. During this time, amphibians remained common, including various Temnospondyli...

Devonian tetrapods include fishapods and amphibians that lived during the Devonian Period. Carboniferous tetrapods Permian tetrapods "Tetrapodomorpha"...

as dogs and horses Many taxa are characterized by the number of legs: Tetrapods have four legs. Squamates of genus Bipes have only two. Caecilians and...

The page lists all of the families in the clade Tetrapoda, organized by taxonomic ranks. This list does not include families that are extinct. Suborder...

definition of the superclass Tetrapoda: under this broad definition, the term "tetrapod" applies to any animal descended from the first vertebrate with four limbs...

fish, their Devonian radiation, including the conquest of land by early tetrapods, and the post-Devonian evolution of fishes. The Devonian period is broken...

tetrapodomorph taxa. The earliest elpistostegalians, combining fishlike and tetrapod-like characters, such as Tiktaalik, are sometimes called fishapods. Although...

tetrapods, Panderichthys exhibits a range of features transitional between tristichopterid lobe-fin fishes (e.g., Eusthenopteron) and early tetrapods...

Acanthostega (meaning "spiny roof") is an extinct genus of stem-tetrapod, among the first vertebrate animals to have recognizable limbs. It appeared in...