Actinopterigio, you mean finned, with fins like rays. It is a kind of fish that brings a 27. 000 species. More feature they have is the possess a skeleton of bony spines on its fins.
Actinopterigio: Subclass of osteictios fishes. equipped with a more or less ossified skeleton, with a solo for Gill openings, covered by an operculum and radial fins.