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Rhipidistia
Introduction References & Edit History Related Topics
Images
Devonian rhipidistian (Eusthenopteron foordi), crossopterygians, fishes Illustration comparing two crossopterygian fishes: the long, slender, brown-and-green Devonian rhipidistian Eusthenopteron foordi above, and the robust, blue African coelacanth Latimeria chalumnae below.
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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
Lion (panthera leo)
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Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)
Wild Words from the Animal Kingdom Vocabulary Quiz
Mute swan with cygnet. (birds)
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The bearded vulture (Gypaetus barbatus) is seen in Switzerland on December 2024
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Rhipidistia: References & Edit History

Article Contributors

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Invalidated site: Palaeos: The Trace of Life on Earth - Rhipidistia. Jan 19, 2015
New rhipidistian illustration added. May 21, 2009
Article revised and updated. Aug 11, 2008
Article revised and updated. Aug 24, 2007
Added new Web site: Palaeos: The Trace of Life on Earth - Rhipidistia. May 09, 2007
Article added to new online database. Jul 20, 1998
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