Actinopterygian

Quick meaning: Actinopterygian is a noun meaning (zoology) Any of the ray-finned fish of the taxonomic class Actinopterygii.

Meaning

(zoology) Any of the ray-finned fish of the taxonomic class Actinopterygii.

More Meanings

1. Of the nature of fish of the class Actinopterygii.

Example Sentences

Still more Actinopterygian is the skeleton of the pelvic fin; here only four bony radials are preserved, separately articulating with the pelvic girdle.

Already some years ago it was pointed out that the skeleton of the pelvic fin and girdle of Polypterus is much more actinopterygian than crossopterygian in structure.

The otico-orbitotemporal region is formed by a single ossification in primitive actinopterygians but by many separate ossifications in advanced actinopterygians, expecially teleosts.

The ear of all nonteleostean actinopterygian fishes (Grande and Bemis 1996) does not differ much from that of ratfish (considered by most an ancient line of cartilaginous fish), with the notable exception of the position of the ultricular macula.

Word Forms

• actinopterygians

Antonyms for actinopterygian

Common opposites include sarcopterygian.

Related Words

Related dictionary entries include actinopterian, actynopterigian, actinopt, acanthopterygian, acanthopteri, aploactinid.

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