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