Source : Webster's Revised Unabridged Dictionary (1913)

Cycloganoidei \Cy`clo*ga*noi"de*i\ (s?"kl?-g?-noi"d?-?), n. pl.
   [NL., fr. Gr. ky`klos circle + NL. ganoidei. See {Ganoid}.]
   (Zo["o]l.)
   An order of ganoid fishes, having cycloid scales. The bowfin
   ({Amia calva}) is a living example.