In Beceten Formation
The In Beceten Formation, also Beceten or Ibecten is a Coniacian to Santonian geologic formation in the Iullemmeden Basin of Niger. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.[1] The lithology primarily consists of clays, fine limestones and sandy clays.[2][3]
| In Beceten Formation Stratigraphic range: Coniacian-Santonian | |
|---|---|
| Type | Geological formation |
| Underlies | Igdaman Group |
| Overlies | White Limestone Formation |
| Lithology | |
| Primary | Limestone, sandstone |
| Other | Shale |
| Location | |
| Coordinates | 15.1°N 6.0°E |
| Approximate paleocoordinates | 1.7°N 0.9°E |
| Region | Tahoua |
| Country |  Niger |
| Extent | Iullemmeden Basin |
  In Beceten Formation (Niger) | |
Fossil content
The following fossils have been reported from the formation:[4]
- Fish
- Reptiles
- Amphibians
- Pachycentrata taqueti
- Ceratodus sp.
- Protopterus sp.
- Ranidae indet.
- Urodela indet.
- Flora
See also
References
- Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- Moody, R.T.J.; Sutcliffe, P.J.C. (April 1991). "The Cretaceous deposits of the Iullemmeden Basin of Niger, central West Africa". Cretaceous Research. 12 (2): 137–157. doi:10.1016/s0195-6671(05)80021-7. ISSN 0195-6671.
- Meunier, Louise M V; Larsson, Hans C E (2017-10-26). "Trematochampsa taqueti as a nomen dubium and the crocodyliform diversity of the Upper Cretaceous In Beceten Formation of Niger". Zoological Journal of the Linnean Society. 182 (3): 659–680. doi:10.1093/zoolinnean/zlx061. ISSN 0024-4082.
- In Beceten at Fossilworks.org
Bibliography
- Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
Further reading
- F. de Broin, E. Buffetaut, J.-C. Koeniguer, J.-C. Rage, D. E. Russell, P. Taquet, C. Vergnaud-Grazzini and S. Wenz. 1974. La fauna de Vertébrés continentaux du gisement d'In Beceten (Sénonien du Niger) [The continental vertebrate fauna from the In Beceten locality (Senonian of Niger)]. Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences à Paris, série D 279:469-472
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