Cycloganoidei \Cy`clo*ga*noi"de*i\ (s?"kl?-g?-noi"d?-?), n. pl. [NL., fr. Gr. ky`klos circle + NL. ganoidei. See {Ganoid}.] (Zool.) An order of ganoid fishes, having cycloid scales. The bowfin ({Amia calva}) is a living example. [1913 Webster]