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lobe-finned fish

[ lohb-find ]
/ ˈloʊbˌfɪnd /
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noun

any fish that has rounded scales and lobed fins, as the coelacanth.

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Also called lobefin .

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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Scientific definitions for lobe-finned fish

lobe-finned fish

Any of various fishes of the class Sarcopterygii, having paired fins that are rounded and fleshy, suggesting limbs. One group of lobe-finned fish are thought to be ancestors of amphibians and other land-dwelling vertebrate animals. They first appeared in the Devonian Period and are extinct except for the coelacanth and lungfish. Also called sarcopterygian Compare ray-finned fish. See also crossopterygian.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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