Kossmaticeras

Kossmaticeras Temporal range: Upper Cretaceous, 112.6–66.043 Ma PreЄ Є O S D C P T J K Pg N
Fossil shell of Kossmaticeras species from Madagascar, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Conservation status
Fossil
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Family:	Kossmaticeratidae
Genus:	Kossmaticeras de Grossouvre 1901
Synonyms
Kossmaticeras (Madrasites) Kilian and Reboul 1909 Madrasites Kilian and Reboul 1909

Kossmaticeras is an extinct ammonoid genus belonging to the desmoceratacean family Kossmaticeratidae. Species in this genus were fast-moving nektonic carnivores. They lived during the Late Cretaceous, from upper Turonian to upper Maastrichtian age. The type species of the genus is Ammonites theobaldianus.

Fossils of species within this genus have been found in the Cretaceous sediments of Antarctica, Australia, Canada, Chile, India, Madagascar, New Zealand and South Africa.