Olcostephanus
| Olcostephanus Temporal range: Late Jurassic-Early Cretaceous ~161.2–130.0 Ma | |
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| 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 | |
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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][1][3]
Species[1]
- Olcostephanus astierianus d'Orbigny 1840
- Olcostephanus atherstoni Sharpe 1856
- Olcostephanus bakeri Imlay 1937
- Olcostephanus bosei Riedel 1938
- Olcostephanus delicatecostatus Haas 1960
- Olcostephanus detonii Rodighiero 1919
- Olcostephanus filifer Imlay 1937
- Olcostephanus laticosta Gerth 1925
- Olcostephanus paucicostatus Imlay 1937
- Olcostephanus pecki Imlay 1960
- Olcostephanus popenoei Imlay 1960
- Olcostephanus prorsiradiatus Imlay 1937
- Olcostephanus quadriradiatus Imlay 1938
- Olcostephanus sanlazarensis Imlay 1937
Distribution
Fossils of species within this genus have been found in the Cretaceous sediments of Antarctica, Argentina, Austria, Bulgaria, Chile, Colombia (Macanal Formation, Eastern Ranges),[4] 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
- 1 2 3 4 The Paleobiology Database
- ↑ Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopoda
- ↑ C. W. Wright with J.H. Callomon and M.K. Howarth (1996), Mollusca 4 Revised, Cretaceous Ammonoidea, vol. 4, in Treatise on Invertebrate Paleontology, Part L (Roger L. Kaesler et el. eds.), Boulder, Colorado: The Geological Society of America & Lawrence, Kansas: University of Kansas Press, p.46.
- ↑ Piraquive et al., 2011, p.204
Bibliography
- Piraquive, Alejandro; Juan Sebastián Díaz; Tomas Cuéllar; Germán Pardo, and Andreas Kammer. 2011. Reactivación Neógena de estructuras de rift del Cretácico Temprano asociadas con la Falla de Chámeza, Pajarito, Boyacá (Colombia): evidencias tectónicas y bioestratigráficas. Geología Colombiana 36. 197-216. Accessed 2017-08-04.
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