lobe-finned fish









lobe-finned fish


lobe-finned fish [lohb-find] noun

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

Also called lobe·fin. Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 lobe-finned fish in Science lobe-finned fish

  1. 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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