The Collaborative International Dictionary of English v.0.48:

Coryphaenoid \Cor`y*ph[ae]"noid\ (k[o^]r`[i^]*f[=e]"noid), a.
   [NL. coryphaena + -oid.] (Zool.)
   Belonging to, or like, the genus Coryph[ae]na. See
   Dolphin.
   [1913 Webster]