| 单词 | lobe-finned fish |
| 释义 | lobe-finned fish[ lohb-find ] / ˈloʊbˌfɪnd / nounany fish that has rounded scales and lobed fins, as the coelacanth. Also called lobefin . Words nearby lobe-finned fishlobbygow, lobbyist, lobe, lobectomy, lobed, lobe-finned fish, lobelia, lobeliaceous, lobelia family, lobeline, Lobengula Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for lobe-finned fishlobe-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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