tetrapod

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Tree of life illustrating the three-domain classification of life-forms

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Prairie falcon (Falco mexicanus) in mid-flight.

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cat. orange and white persian cat with long hair, snarl, growl, teeth

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Polar bear leaping among ice floes at Spitsbergen, Svalbard archipelago, Norway, the Arctic. Sea ice climate change mammal jump global warming

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Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)

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Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

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tetrapod: Facts & Related Content

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Facts

Also Known As	Tetrapoda

Photos

Tree of life illustrating the three-domain classification of life-forms

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Topics

reptile bird mammal amphibian labyrinthodont Anthracosauria Ventastega curonica Temnospondyli Seymouria Diadectes fish Amniota chondrichthyan agnathan Tiktaalik roseae placoderm spiny shark bony fish Palaeospondylus

Dig Deeper: More Articles That Discuss This Topic

muscle: Origins of the tetrapod limbs

Quiz

Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)

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vulture. An adult bearded vulture at a raptor recovery center. The Gypaetus barbatus also known as the Lammergeier or Lammergeyer, is a bird of prey and considered an Old World vulture.

Animal Factoids

Lion (panthera leo)

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Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

Animal Group Names

Mute swan with cygnet. (birds)

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List

animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.

Abundant Animals: The Most Numerous Organisms in the World