Olcostephanus

Olcostephanus
Temporal range: from Jurassic to Cretaceous, 161.2 –130.0 Ma

[1]

Fossil of Olcostephanus astierianus from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Suborder: Ammonitina
Superfamily: Perisphinctoidea
Family: Olcostephanidae
Genus: Olcostephanus
Neumayr 1875
Synonyms

[1]

  • Astieria Pavlow 1892
  • Holcostephanus (Astieria) Pavlow 1892
  • Lemurostephanus Thieuloy 1977
  • Olcostephanus (Astieria) Pavlow 1892
  • Rogersites Spath 1924
  • Satoites Canta-Chapa 1966

Olcostephanus is an extinct ammonoid cephalopod genus belonging to the family Olcostephanidae. These fast-moving nektonic carnivores [1] lived during the Cretaceous, from the upper Valanginian to the lower Hauterivian age. [2]

Species

[1]

Distribution

Fossils of species within this genus have been found in the Cretaceous sediments of Antarctica, Argentina, Austria, Chile, Colombia, Czech Republic, Czechoslovakia, France, Hungary, Italy, Mexico, Morocco, Poland, Portugal, Romania, Slovakia, South Africa, Spain, Russia, United States, as well as in the Jurassic of Argentina. [1]

References


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