close

  
Filter options:

Freebase Commons Common /common

  • Crioceras is an extinct cephalopod genus belonging to the subclass Ammonoidea and included in the family Crioceratidae of the ammonitid superfamily Ancylocerataceae. Crioceras is considered by some to be a junior synonym of Crioceratites Crioceras ramoseptum is a heteromorph that comes from the Aptian of Dagestan.

Freebase Commons Biology /biology

Comments

Hide