Tetrapod meaning

tĕtrə-pŏd
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Any of numerous organisms of the group Tetrapoda, usually characterized as those species that have four limbs with digits and those, such as whales and snakes, that are descended from such species. Tetrapoda includes the amphibians, reptiles, birds, and mammals.
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A vertebrate animal with four feet, legs, or leglike appendages.
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Any vertebrate having four legs or limbs, including the mammals, birds, and reptiles: snakes, whales, etc. are included in this group because they evolved from four-legged animals.
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Having four feet, legs, or leglike appendages.
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Any of various mostly terrestrial vertebrates that breathe air with lungs. Most tetrapods have two pairs of limbs, though some, such as whales and snakes, have lost one or both pairs. Tetrapods include the amphibians, reptiles, birds, mammals, and various extinct groups, and evolved from lobe-finned fish during the late Devonian Period. Tetrapods are classified according to the structure of their skull into anapsids, diapsids, and synapsids.
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Any vertebrate with four limbs.
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Any vertebrate (such as birds or snakes) that have evolved from early tetrapods; especially all members of the superclass Tetrapoda.
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Concrete structures with 'arms' used to arrest wave energy along the shore in sea defence projects.
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Having four limbs or feet.
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Origin of tetrapod

  • From tetra- ("four") and -pod, from podos ("foot").

    From Wiktionary