''Kossmaticeras'' is an extinct

ammonoid Ammonoids are extinct, (typically) coiled-shelled cephalopods comprising the subclass Ammonoidea. They are more closely related to living octopuses, squid, and cuttlefish (which comprise the clade Coleoidea) than they are to nautiluses (family N ...

genus belonging to the desmoceratacean family

Kossmaticeratidae Kossmaticeratidae is an extinct ammonoid family belonging to the order Ammonitida. Subfamilies and genera Kossmaticeratidae includes two subfamilies and eight genera: * Kossmaticeratinae Spath, 1922 ** '' Grossouvrites'' Kilian and Reboul, 1909 ...

. Species in this genus were fast-moving nektonic carnivores. They lived during the Late Cretaceous, from the upper

Turonian The Turonian is, in the International Commission on Stratigraphy, ICS' geologic timescale, the second age (geology), age in the Late Cretaceous epoch (geology), Epoch, or a stage (stratigraphy), stage in the Upper Cretaceous series (stratigraphy), ...

to the upper

Maastrichtian The Maastrichtian ( ) is, in the International Commission on Stratigraphy (ICS) geologic timescale, the latest age (geology), age (uppermost stage (stratigraphy), stage) of the Late Cretaceous epoch (geology), Epoch or Upper Cretaceous series (s ...

ages.Sepkoski, Jac
Sepkoski's Online Genus Database – Cephalopoda
/ref> The type species of the genus is ''K. theobaldianus''.

Subgenera and species

* '' Kossmaticeras (Karapadites)'' Collignon, 1954 ** ''Kossmaticeras (Karapadites) besairieri'' Collignon, 1954 ** ''Kossmaticeras (Karapadites) karapadensis'' Kossmat, 1897 ** ''Kossmaticeras (Karapadites) madrasinus'' Stoliczka, 1865 ** ''Kossmaticeras (Karapadites) planissimus'' Collignon, 1966 * ''Kossmaticeras (Kossmaticeras)'' de

Grossouvre Grossouvre () is a Communes of France, commune in the Cher (department), Cher Departments of France, department in the Centre-Val de Loire Regions of France, region of France. Geography A village of farming, forestry and a little light industry ...

, 1901 ** ''Kossmaticeras (Kossmaticeras) inornatum'' Collignon, 1966 ** ''Kossmaticeras (Kossmaticeras) jeletzkyi'' Collignon, 1965 ** ''Kossmaticeras (Kossmaticeras) jonesi'' Collignon, 1965 ** ''Kossmaticeras (Kossmaticeras) kilenensis'' Alsen, 2018 ** ''Kossmaticeras (Kossmaticeras) sakondryense'' Collignon, 1954 ** ''Kossmaticeras (Kossmaticeras) sparsicostatum'' Kossmat, 1897 ** ''Kossmaticeras (Kossmaticeras) theobaldianum'' Stolickza, 1865 * ''Kossmaticeras (Natalites)'' Collignon, 1954 ** ''Kossmaticeras (Natalites) africanus'' van Hoepen, 1920 ** ''Kossmaticeras (Natalites) elegans'' Kennedy, 1985 ** ''Kossmaticeras (Natalites) similis'' Spath, 1921 ** ''Kossmaticeras (Natalites) canadense'' McLearn, 1972

Distribution

Fossils of species within this genus have been found in the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...

sediments of Antarctica, Australia, Canada, Chile, India, Madagascar, New Zealand and South Africa.

Subgenera and species

Distribution

References

Further reading