Kossmaticeras


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 the upper Turonian to the upper Maastrichtian ages. The type species of the genus is K. theobaldianus.

Subgenera and species

Kossmaticeras (Karapadites) Collignon, 1954
  • * Kossmaticeras besairieri Collignon, 1954
  • * Kossmaticeras karapadensis Kossmat, 1897
  • * Kossmaticeras madrasinus Stoliczka, 1865
  • * Kossmaticeras planissimus Collignon, 1966Kossmaticeras de Grossouvre, 1901
  • * Kossmaticeras inornatum Collignon, 1966
  • * Kossmaticeras jeletzkyi Collignon, 1965
  • * Kossmaticeras jonesi Collignon, 1965
  • * Kossmaticeras kilenensis Alsen, 2018
  • * Kossmaticeras sakondryense Collignon, 1954
  • * Kossmaticeras sparsicostatum Kossmat, 1897
  • * Kossmaticeras theobaldianum Stolickza, 1865Kossmaticeras Collignon, 1954
  • * Kossmaticeras africanus van Hoepen, 1920
  • * Kossmaticeras elegans Kennedy, 1985
  • * Kossmaticeras similis Spath, 1921
  • * Kossmaticeras canadense McLearn, 1972

Distribution

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.