C. cornutus

C. cornutus may refer to:


 * Cerastes cornutus, a viper species
 * Cotylurus cornutus, a helminth species
 * Chaetoceros cornutus, a diatom species in the genus Chaetoceros
 * Citharichthys cornutus, a flounder species in the genus Citharichthys
 * Corydalus cornutus, a dobsonfly species in the genus Corydalus
 * Craspedochiton cornutus, a chiton species in the genus Craspedochiton
 * Culex cornutus, a mosquito species in the genus Culex