In Becetèn: Late/Upper Coniacian - Santonian, Niger
collected by Greigert, F. de Broin, D. E. Russell, P. Taquet 1966, 1970–1973
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Dipnomorpha
- Lepidosirenidae
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Protopterus sp.
Agassiz 1843
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Dipnoi
- Ceratodontidae
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Ceratodus sp.
Agassiz 1838
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Reptilia
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Mesosuchia indet.
Huxley 1875
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= Trematochampsa taqueti n. gen., n. sp.
Buffetaut 1974
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Buffetaut 1974 | |||||||||
nomen dubium belonging to Notosuchia | ||||||||||
MNHN Ibc 231 | ||||||||||
Libycosuchus sp.
Stromer 1914
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= cf. Araripesuchus sp.
Price 1959
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Meunier and Larsson 2018 | |||||||||
MNHN Ibc 119 | ||||||||||
Goniopholidae indet.
(Cope 1875)
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"provisionally assigned" | ||||||||||
= Tethysuchia indet.
Buffetaut 1982
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Meunier and Larsson 2018 | |||||||||
maxilla fragment, teeth and quadrate | ||||||||||
Reptilia
- Titanosauridae
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Titanosaurinae indet.
Lydekker 1893
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Reptilia
- Avetheropoda
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Carnosauria indet.
Huene 1920
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Reptilia
- Lacertilia
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Lacertilia indet.
Owen 1842
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20 specimens | |||||||||
Reptilia
- Serpentes
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Serpentes indet.
Linnaeus 1758
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same as undescribed genus from Paleocene of Niger | ||||||||||
Reptilia
- Madtsoiidae
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Madtsoia sp.
Simpson 1933
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similar to M. madagascariensis but with some differences of possible specific value | ||||||||||
= Madtsoia aff. madagascariensis
Hoffstetter 1961
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Rage 1981 | |||||||||
Reptilia
- Testudines
- Pelomedusidae
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Pelomedusidae indet.
Cope 1868
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similar to Podocnemis | ||||||||||
Reptilia
- Testudines
- Podocnemididae
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Erymnochelys madagascariensis
Grandidier 1867
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Amphibia
- Temnospondyli
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Pipidae informal sp. 2
Gray 1825
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1 individual | |||||||||
new form; MNHN.F.IBC 1602 | ||||||||||
= Inbecetenanura ragei n. gen., n. sp.
Lemierre et al. 2023
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Lemierre et al. 2023 | |||||||||
MNHN.F.IBC 1602 | ||||||||||
Amphibia
- Temnospondyli
- Pipidae
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Pipidae indet.
Gray 1825
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"very close to Xenopus"; MNHN-IBC 1404 | ||||||||||
= Pachybatrachus taqueti n. gen., n. sp.
Báez and Rage 1998
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Báez and Rage 1998 | |||||||||
recombined as Pachycentrata taqueti | ||||||||||
MNHN-IBC 1404 | ||||||||||
Amphibia
- Temnospondyli
- Ranidae
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Ranidae indet.
Rafinesque 1814
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Amphibia
- Temnospondyli
- Urodela
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Urodela indet.
(Duméril 1805)
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Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteidae indet.
Cuvier 1825
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"close to the genus Paralepidosteus" | ||||||||||
Actinopteri
- Gigantodontidae
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Stromerichthys sp.
Weiler 1935
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Actinopteri
- Amiiformes
- Amiidae
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Amia sp.
Linnaeus 1766
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Angiospermae
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Dicotyledoneae indet.
()
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silicified trunks | ||||||||||
see common names |
Geography
Country: | Niger | State/province: | Tahoua |
Coordinates: | 15.1° North, 6.0° East (view map) | ||
Paleocoordinates: | 1.7° North, 0.9° East | ||
Basis of coordinate: | stated in text | ||
Altitude: | 381 meters | ||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
10 m.y. bin: | Cretaceous 6 | ||
Key time interval: | Late/Upper Coniacian - Santonian | ||
Age range of interval: | 89.80000 - 83.60000 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | black,gray "shale" |
Secondary lithology: | sandstone |
Includes fossils? | Y |
Lithology description: "a formation composed of an alternation of clays and limestones"; vertebrates are in one of the clay beds "shales and sandstones" (Báez and Rage 1998) | |
Environment: | fluvial-lacustrine indet. |
Geology comments: "fluvial-lacustrine" (Báez and Rage 1998) |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Articulated whole bodies: | none |
Associated major elements: | none |
Disassociated major elements: | many |
Disassociated minor elements: | many |
Fragmentation: | frequent |
Collection methods and comments
Collection methods: | bulk,surface (float),surface (in situ),sieve,field collection | ||
Reason for describing collection: | general faunal/floral analysis | ||
Museum repositories: | MNHN | ||
Collectors: | Greigert, F. de Broin, D. E. Russell, P. Taquet | Collection dates: | 1966, 1970–1973 |
Collection method comments: "Most fossils lie exposed on the ground surface... A large number of the specimens collected came from screen-washing operations" (Báez and Rage 1998) |
Metadata
Also known as: | Inbécéten, Ibesseten, In Becetem, In Beceten, In'Betetéen | ||
Database number: | 48867 | ||
Authorizer: | M. Carrano, J. Alroy, P. Mannion | Enterer: | M. Carrano, P. Mannion, J. Alroy |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2005-04-01 07:53:22 | Last modified: | 2024-02-15 15:54:42 |
Access level: | the public | Released: | 2005-04-01 07:53:22 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
13027. | ETE | 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 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
31023 | A. M. Báez and J.-C. Rage. 1998. Pipid frogs from the Upper Cretaceous of In Beceten, Niger. Palaeontology 41(4):669-691 [J. Alroy/J. Alroy] | |
39539 | E. Buffetaut. 1974. Trematochampsa taqueti, un Crocodilien nouveau du Sénonian inférieur du Niger. Comptes Rendus de l'Academie des Sciences (Paris), Série D 279:1749-1752 [P. Mannion/P. Mannion/P. Mannion] | |
87571 | A. Lemierre, S. Bailon, A. Folie and M. Laurin. 2023. A new pipid from the Cretaceous of Africa (In Becetèn, Niger) and early evolution of the Pipidae. Journal of Systematic Palaeontology 21(1):2266428 [M. Carrano/M. Carrano] | |
63698 | L. M. V. Meunier and H. C. E. Larsson. 2018. 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 [P. Mannion/P. Mannion/P. Mannion] | |
13712 | ETE | J. E. Powell. 2003. Revision of South American titanosaurid dinosaurs: palaeobiological, palaeobiogeographical and phylogenetic aspects. Records of the Queen Victoria Museum Launceston 111:1-173 [M. Carrano/M. Carrano/M. Carrano] |
19060 | ETE | J.-C. Rage. 1981. Les continents péri-atlantiques au Crétacé Supérieur: migrations des faunes continentales et problèmes paléogéographiques [The peri-Atlantic continents of the Upper Cretaceous: migrations of continental faunas and paleogeographic problems]. Cretaceous Research 2:65-84 [M. Carrano/M. Carrano] |
25315 | ETE | P. Taquet. 1976. Géologie et Paléontologie du Gisement de Gadoufaoua (Aptien du Niger) [Geology and Paleontology of the Gadoufaoua Locality (Aptian of Niger)]. Cahiers de Paléontologie, Centre National de la Recherche Scientifique, Paris 1-191 [M. Carrano/M. Carrano] |
68574 | P. Taquet. 1977. Les découvertes récentes de Dinosaures du Jurassique et du Crétacé en Afrique, au Proche et Moyen-Orient et en Inde [Recent discoveries of dinosaurs from the Jurassic and Cretaceous in Africa, the Near and Middle East, and India]. Mémoire Hors Serie—Société Géologique de France 8:325-330 [M. Carrano/M. Carrano] |