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Definition of Crossopterygian
1. Noun. Any fish of the order Crossopterygii; most known only in fossil form.
Exact synonyms: Lobe-finned Fish, Lobefin
Generic synonyms: Bony Fish
Group relationships: Crossopterygii, Subclass Crossopterygii
Specialized synonyms: Coelacanth, Latimeria Chalumnae
Generic synonyms: Bony Fish
Group relationships: Crossopterygii, Subclass Crossopterygii
Specialized synonyms: Coelacanth, Latimeria Chalumnae
Definition of Crossopterygian
1. a. Of or pertaining to the Crossopterygii.
Definition of Crossopterygian
1. [n -S]