Crossopterygii

(redirected from Sarcopterygii)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to Sarcopterygii: Dipnoi, crossopterygians

Crossopterygii

a subclass of the class Choanichthyes, an ancient group of mainly freshwater fish, including many fossil forms but only a single living species, the COELACANTH Latimeria.