Of or relating to the former order Placoidei.
| 单词 | θ36719 | 
| 释义 | the world > animals > fish > subclass Elasmobranchii > 			[adjective]		 > of or relating to Placoidei (3)		 placoidean1836 Of or relating to the former order Placoidei. placoid1842 Zoology. Having or characterized by placoid scales; spec. of or relating to a former order Placoidei of cartilaginous fishes which included… placoidal1845 = sense A. 1a.  | 
	
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