| 释义 | subclass CrossopterygiiThesaurus
 | Noun | 1.subclass Crossopterygii - fishes having paired fins resembling limbs and regarded as ancestral to amphibiansCrossopterygiiclass Osteichthyes, Osteichthyes - a class of fish having a skeleton composed of bone in addition to cartilagecrossopterygian, lobefin, lobe-finned fish - any fish of the order Crossopterygii; most known only in fossil formfamily Latimeridae, Latimeridae - extinct except for the coelacanthclass - (biology) a taxonomic group containing one or more orders | 
 subclass Crossopterygii
 Synonyms for subclass Crossopterygiinoun fishes having paired fins resembling limbs and regarded as ancestral to amphibiansSynonymsRelated Wordsclass OsteichthyesOsteichthyescrossopterygianlobefinlobe-finned fishfamily LatimeridaeLatimeridaeclass
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