Quick Reference

(class Osteichthyes, subclass Actinopterygii)

Order of fairly primitive bony fish consisting of several families dating back to the Triassic Period, and considered by some to be intermediate between the Chondrostei and the Teleostei. Until recently they were grouped with the order Semionotiformes in the infraclass Holostei.

Subjects: Zoology and Animal Sciences.

Reference entries