Word Study
chondropterygii
CIDE DICTIONARY
chondropterygii, n. pl. [NL., fr. Gr. cartilage + , , wing, fin.].
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. [1913 Webster]
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