Crioceras
Encyclopedia
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 synomym of Crioceratites
Crioceras ramoseptum is a heteromorph that comes from the Aptian
of Dagestan
.
Ammonitida
The Ammonitida is an order of more highly evolved ammonoid cephalopods from the Jurassic and Cretaceous time periods, commonly with intricate ammonitic sutures....
superfamily Ancylocerataceae. Crioceras is considered by some to be a junior synomym of Crioceratites
Crioceratites
Crioceratites is an ammonite genus from the Early Cretaceous belonging to the Ancylocerataceae.Crioceritites is coiled in an open, normally equiangular spiral with an oval or subquadrate whorl section...
Crioceras ramoseptum is a heteromorph that comes from the Aptian
Aptian
The Aptian is an age in the geologic timescale or a stage in the stratigraphic column. It is a subdivision of the Early or Lower Cretaceous epoch or series and encompasses the time from 125.0 ± 1.0 Ma to 112.0 ± 1.0 Ma , approximately...
of Dagestan
Dagestan
The Republic of Dagestan is a federal subject of Russia, located in the North Caucasus region. Its capital and the largest city is Makhachkala, located at the center of Dagestan on the Caspian Sea...
.