Word Study
ctenoidei
CIDE DICTIONARY
ctenoidei, n. pl. [NL., fr. Gr. , , comb + -oid.].
A group of fishes, established by Agassiz, characterized by having scales with a pectinated margin, as in the perch. The group is now generally regarded as artificial. [1913 Webster]
For further exploring for "ctenoidei" in Webster Dictionary Online