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Sarcopterygii |
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Sarcopterygii [sär‚käp·tə′rij·ē‚ī] (vertebrate zoology) A subclass of Osteichthyes, including Crossopterygii and Dipnoi in some systems of classification. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The well-preserved remains of Tiktaalik go a long way, but not quite the whole way, toward filling the gap in the fossil record between the earliest tetrapods and the lobe-finned fish that preceded them, says Clack. From these lobe-finned fish then arose the earliest members of the tetrapods, or vertebrates with four true limbs. |
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