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Kossmaticeras

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Kossmaticeras
Temporal range: Early Cretaceous [1]
Kossmaticeras species from Madagascar
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Kossmaticeratidae
Subfamily: Kossmaticeratinae
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.[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]

Subgenera and species

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[1]

  • 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, 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

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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.

References

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Further reading

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