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cycloidei |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Cycloidei \Cy*cloi"de*i\ (s?-kloi"d?-?), n. pl [NL., fr Gr ky`klos circle + -oid.] (Zo["o]l.) An order of fishes, formerly proposed by Agassiz, for those with thin, smooth scales, destitute of marginal spines, as the herring and salmon. The group is now regarded as artificial.