CROSSOPTERYGIAN

crossopterygian, lobefin, lobe-finned fish

(noun) any fish of the order Crossopterygii; most known only in fossil form

Source: WordNet® 3.1

Etymology

Adjective

crossopterygian (not comparable)

(zoology) Of or pertaining to the Crossopterygii, an infraclass of bony fish. [from 19th c.]

Noun

crossopterygian (plural crossopterygians)

(zoology) One of the Crossopterygii.

Source: Wiktionary

Cros*sop`ter*yg"i*an (krs-sp`tr-j-an), a. (Zoöl.)

Definition: Of or pertaining to the Crossopterygii.

– n.

Definition: One of the Crossopterygii.

Source: Webster’s Unabridged Dictionary 1913 Edition

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