Cornuella
Encyclopedia
Cornuella is an extinct genus of prehistoric nautiloid. The nautiloids are a subclass of shelled cephalopod
s that were once diverse and numerous but are now represented by only a handful of species.
Cephalopod
A cephalopod is any member of the molluscan class Cephalopoda . These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, and a set of arms or tentacles modified from the primitive molluscan foot...
s that were once diverse and numerous but are now represented by only a handful of species.