| 单词 | posterodorsal | 
| 释义 | > as lemmasposterodorsal   posterodorsal adj.  Brit. , U.S. situated on the posterior part of the dorsal aspect. ΚΠ 1849    J. D. Dana U.S. Exploring Exped.: Geol. 		(1850)	 687  				Valves nearly flat, with a slight bending over the postero-dorsal margin. 1913    Philos. Trans. 		(Royal Soc.)	 B. 203 329  				The greatest length of the animal—i.e. from front of head to posterodorsal angle of carapace—is then easily measured with an eyepiece chronometer. 1997    G. S. Helfman  et al.  Diversity of Fishes iii. 25/1  				It is a small bone on the posterodorsal margin of the maxilla. < as lemmas | 
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