Kossmatella

Kossmatella is an extinct genus of ammonoid cephalopods belonging to the family Lytoceratidae. These fast-moving nektonic carnivores ^[2] lived in the Cretaceous period, from Albian age to Cenomanian age.^[1]

Kossmatella Temporal range: Albian–Cenomanian[1] PreꞒ Ꞓ O S D C P T J K Pg N
Fossil shells of Kossmatella agassizianum from Maritime Alps, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Family:	Gaudryceratidae
Genus:	Kossmatella Jacob, 1907
Species[2]
Kossmatella cappsi Imlay, 1960 Kossmatella agassizianum (Pictet and Roux, 1847)
Synonyms
Kosmatella Cossmann, 1909

Description

Shells of Eulytoceras species are quite small, with rounded whorl section and deep constrictions on the external surface.^[3]

Distribution

Fossils of species within this genus have been found in the Cretaceous rocks of Dominican Republic, France, Italy, Madagascar, Mexico, South Africa, Suriname and United States.^[2]