| 单词 | petromyzontoid | 
| 释义 | petromyzontoidn.adj. Zoology. rare.   A fish of the family  Petromyzontidae or superfamily  Petromyzontoidea; a lamprey. Also attributive or as adj. ΘΚΠ the world > animals > fish > superclass Agnatha > 			[noun]		 > suborder Petromyzontoidei or genus Petromyzon > member of (lamprey) lamprey1297 seven-eyes1496 lamprel1526 weasel1601 stone-grig1666 lamper-eel1709 lamprey-eel1726 stone-sucker1753 nine-eyed eel1811 nine-eyes1818 nine holesa1825 spanker-eel1846 seven-holes1853 petromyzontoid1861 1861    T. Gill Catal. Fishes Eastern Coast N. Amer. 24  				This order [sc. Hyperoartii] answers to the order of the same name of Müller, and the family of Petromyzontoids of the order Dermopteri of Owen. 1890    Cent. Dict. 4429/1  				Petromyzontoid,..a., related to or resembling the lampreys; of or pertaining to the Petromyzontidæ..n., a member of the Petromyzontidæ; a lamprey. 1980    J. R. Hinchliffe  & D. R. Johnson Devel. Vertebr. Limb i. 4  				The petromyzontoids or lampreys are small to moderately large eel-like fish and active predators. 2002    Brain Res. Bull. 57 257  				The living deuterostomes comprise six monophyletic groups:..echinoderms and hemichordates,..tunicates,..cephalochordates,..myxinoids,..petromyzontoids, and..gnathostomes. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). <  | 
	
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