Cycloidei

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Cycloidei \Cy*cloi"de*i\ (s?-kloi"d?-?), n. pl. [NL., fr. Gr.
     ky`klos circle + -oid.] (Zool.)
     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.


     [1913 Webster]