Kossmaticeras
Kossmaticeras
Genus of extinct molluscs
Kossmaticeras is an extinct ammonoid genus belonging to the desmoceratacean family Kossmaticeratidae. Species in this genus were fast-moving nektonic carnivores.[1] They lived during the Late Cretaceous, from upper Turonian to upper Maastrichtian age.[2] The type species of the genus is Ammonites theobaldianus.[1]