actinopterygian Definition
any member of a class (Actinopterygii) of bony fishes that includes most fishes living today, having fins supported by bony rays rather than by fleshy lobes.
Using actinopterygian: Examples
Take a moment to familiarize yourself with how "actinopterygian" can be used in various situations through the following examples!
Example
The actinopterygians are the most diverse group of fishes.
Example
Most fish species belong to the class Actinopterygii.
Example
The actinopterygian fishes have fins supported by bony rays.
Origins of actinopterygian
from Greek 'aktin' meaning 'ray' + 'pteryx' meaning 'fin'
Summary: actinopterygian in Brief
'Actinopterygian' [ak-tuh-noh-ptuh-rij-ee-uhn] refers to any member of a class of bony fishes that includes most fishes living today. These fishes have fins supported by bony rays rather than by fleshy lobes. It is the most diverse group of fishes.
