Tetrapoda

Tetrapoda (Yunani τετραποδη tetrapoda, Latin quadrupedal, "berkaki-empat") adalah hewan vertebrata yang berkaki empat, kaki atau seperti kaki. Amfibia, reptil, dinosaurus, unggas, dan mamalia merupakan bagian dari tetrapoda, dan bahkan ular yang tidak memiliki kaki juga merupakan tetrapoda menurut keturunan. Tetrapoda awal berasal dari Sarcopterygii atau ikan bersirip lobus.

Tetrapods Periode 365–0 jtyl PreЄ Є O S D C P T J K Pg N Late Devonian to Recent
Tetrapoda
Biawak komodo
Taksonomi
Superkerajaan	Holozoa
Kerajaan	Animalia
Filum	Chordata
Superkelas	Tetrapoda Jaekel, 1909
Kelas
Amphibia Aves Mammalia Reptilia Synapsida

Pranala luar

• Cladistic analysis of osteolepiform Sarcopterygians Diarsipkan 2008-02-15 di Wayback Machine.
• Tree of Life: Terrestrial Vertebrates
• a "Tetrapod"? What is a tetrapod? Diarsipkan 2008-02-13 di Wayback Machine.
• UCMP Taxonomy page
• Tetrapod cladograms Diarsipkan 2008-02-13 di Wayback Machine. — similar to genealogical family trees
• How did fish grow legs?
• New fossils fill gap between water and land animals
• Human Ears Evolved from Ancient Fish Gills
• Scientific American: Getting a Leg Up on Land

Devonian tetrapods

• Sinostegia discovery reported in National Geographic
• Devonian Times
• Devonian Times — Tetrapod Trackways
• Scientists find 245 million-year-old burrows of land vertebrates in Antarctica

Carboniferous tetrapods

• Detailed account of early tetrapod evolution — This website, geared to the layman, also describes Jennifer Clack's role in untangling the early evolution of tetrapods.
• Abstract of Jennifer A. Clack, "An early tetrapod from 'Romer's Gap'" in Nature, July 2002
• Abstract of Jennifer Clack's identification of a primitive baphetid tetrapod
• "The evolution of tetrapods and the closing of Romer's Gap."
• "Did Our Ancestors Breathe through Their Ears?"