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Gnathostomes (Jawed Vertebrates)

Published online by Cambridge University Press:  17 July 2017

John G. Maisey
John G. Maisey*
Affiliation:
Department of Vertebrate Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, New York 10024
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Extract

All living organisms possess mechanisms for obtaining nutrition. Many invertebrates also possess movable mouthparts capable of capturing prey or particulate food (e.g., polychaetes, cephalopods, arthropods and echinoderms). All living vertebrates have specialized mouthparts, and as far as we know all fossil agnathans had them also, but movable jaws supported by an internal skeleton are absent in living and fossil agnathans.

Type
Research Article
Information
Short Courses in Paleontology , Volume 7: Major Features of Vertebrate Evolution , 1994 , pp. 38 - 56
Copyright
Copyright © 1994 Paleontological Society 

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