(n.pl.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). cycloidei. Retrieved September 23, 2026, from http://smartdefine.org/cycloidei/definitions/1994039 |
| Chicago | Webster's. 2011. "cycloidei" http://smartdefine.org/cycloidei/definitions/1994039 (accessed September 23, 2026). |
| Harvard | Webster's 2011, cycloidei, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/cycloidei/definitions/1994039>. |
| MLA | Webster's. "cycloidei" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/cycloidei/definitions/1994039> |