Subgenus COLOMBICERAS

Kingdom / Phylum . . . . . . . .
Class / Subclass / Infraclass
Division / Superorder / Order
Suborder / Infraorder . . . . .
Superfamily / Family . . . . . .
Subfamily / Genus . . . . . . . .
Animalia / Mollusca
Cephalopoda / Ammonoidea / n.a.
n.a. / Ammonoidea / Ammonitida
Ancyloceratina / n.a.
Deshayesitaceae / Deshayesitidae
Acanthohoplitinae / Colombiceras
Age:
Distribution:
Early Cretaceous
North America, South America, Europe, Africa

Depicted on:

Switzerland, 1015 (200 c, fossil and reconstruction)
 
The ammonite on the sheet is not identified. It was identified as Colombiceras at first. Later research has shown that it is more likely to be Cheloniceras.
 
tve15