Chondropterygii
Chondropterygii , noun, plural
[New Latin, from Greek {not transcribed} cartilage + {not transcribed}, {not transcribed}, wing, fin.]
(Zoology) A group of fishes, characterized by cartilaginous fins and skeleton. It includes both ganoids (sturgeons, etc.) and selachians (sharks), but is now often restricted to the latter.