In Beceten Formation
Introduction 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. The lithology primarily consists of clays, fine limestones and sandy clays.
Fossil content The following fossils have been reported from the formation:;Fish:* ''Amia sp. ''* ''Stromerichthys sp. ''* Lepisosteidae indet. ;Reptiles* ''Erymnochelys madagascariensis''* ''Madtsoia aff. madagascariensis''* ''Trematochampsa taqueti''* ''Libycosuchus sp. ''* Carnosauria indet. * Goniopholididae indet. ''* Lacertilia indet. * Pelomedusidae indet. * Serpentes indet. * Titanosaurinae indet. ;Amphibians* ''Pachycentrata taqueti''* ''Ceratodus sp. ''* ''Protopterus sp. ''* Ranidae indet. * Urodela indet. ;Flora* Dicotyledonae
See also * List of dinosaur-bearing rock formations** List of stratigraphic units with indeterminate dinosaur fossils* Lists of fossiliferous stratigraphic units in Africa** List of fossiliferous stratigraphic units in Niger* Geology of Niger
References === Bibliography ===*
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