| 单词 | protodipnoan | 
| 释义 | > as lemmasprotodipnoan   protodipnoan  n.  Brit.  , U.S.  , ΚΠ 1884    Science 11 Apr. 430/1  				The order called Ichthyotomi..may not even belong to the selachians (some of its characteristics..resemble those of protodipnoans). 2001    S. G. Lucas Chinese Fossil Vertebr. 53  				Whether or not Diabolepsis is a dipnoan or ‘protodipnoan’ has been debated at some length. < as lemmas  | 
	
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