Source : Webster's Revised Unabridged Dictionary (1913)

Chondropterygii \Chon*drop`te*ryg"i*i\, n. pl. [NL., fr. Gr. ?
   cartilage + ?, ?, wing, fin.] (Zo["o]l.)
   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. [Written also {Chondropterygia}.]