Kossmaticeratidae

Kossmaticeratidae Temporal range: from Jurassic to Cretaceous, 161.2–66.043Ma PreꞒ Ꞓ O S D C P T J K Pg N [1]
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 Spath 1922

Kossmaticeratidae is an extinct ammonoid family belonging to the order Ammonitida.

Subfamilies and generas

^[1]

• Kossmaticeratinae Spath 1922
  • Grossouvrites Kilian and Reboul 1909
  • Gunnarites Kilian and Reboul 1909
  • Kossmaticeras de Grossouvre 1901
  • Maorites Marshall 1926
  • Pseudokossmaticeras Spath 1922

• Marshallitinae Matsumoto 1955
  • Eomarshallites Medina and Rinaldi 1986
  • Marshallites Matsumoto 1955
  • Yokoyamaoceras Wright and Matsumoto 1954

Distribution

Fossils of members within this family have been found in the Cretaceous sediments of Antarctica, Argentina, Australia, Austria, Belgium, Canada, Chile, France, India, Japan, Madagascar, New Zealand, South Africa, United States as well as in the Jurassic of the United Kingdom. ^[1]

References>

• Arkell, et al. 1957. Mesozoic Ammonoidea, L374; Treatise on Invertebrate Paleontology Part L (Ammonoidea); Geol Soc of America and Univ Kansas Press.