Definitions for

Overview of noun crossopterygii

The noun crossopterygii has 1 senses? (no senses from tagged texts)
1. Crossopterygii, subclass Crossopterygii

(fishes having paired fins resembling limbs and regarded as ancestral to amphibians) © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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