| 单词 | branchiostegan | 
| 释义 | branchiostegann.  A member of the Branchiostegi, an old order of cartilaginous fishes having free gills covered by a membrane. ΘΚΠ the world > animals > fish > superclass Agnatha > 			[noun]		 > class Chondrichthyes > member of order Branchiostegi branchiostegan1847 1847    in  J. Craig New Universal Dict.  				 This entry has not yet been fully updated (first published 1888; most recently modified version published online September 2018). <  | 
	
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