Mont Igdaman (bed 25) (Cretaceous of Niger)

Where: Tahoua, Niger (15.4° N, 5.8° E: paleocoordinates 5.1° N, 0.6° E)

• coordinate stated in text

• local area-level geographic resolution

When: Dukamaje Formation, Maastrichtian (72.1 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; phosphatic, green siltstone

• "Grey silts with phosphorite bands packed with coprolites, fish and reptile bones."

Size class: macrofossils

Primary reference: R. T. J. Moody and P. J. C. Suttcliffe. 1991. The Cretaceous deposits of the Iullemmeden Basin of Niger, central West Africa. Cretaceous Research 12:137-157 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 104945: authorized by Matthew Carrano, entered by Hallie Street on 12.02.2011, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Actinopteri
 Aulopiformes - Dercetidae
Stratodus sp.
Stratodus sp. Cope 1872
Reptilia
 Squamata - Palaeophiidae
Palaeophis sp.
Palaeophis sp. Owen 1841 snake
 Squamata - Mosasauridae
Plioplatecarpus sp., ? Platecarpus sp., ? Angolasaurus sp., Goronyosaurus sp., Igdamanosaurus aegyptiacus, cf. Mosasaurus hoffmani, Halisaurus sp.
Plioplatecarpus sp. Dollo 1882 mosasaur
BMNH R11924, R11982, R11950
? Platecarpus sp. Cope 1869 mosasaur
BMNH R11899
? Angolasaurus sp. Antunes 1964 mosasaur
BMNH R11901, R11902, R11903, R11904
Goronyosaurus sp. Azzaroli et al. 1972 mosasaur
BNMH R11909, R11947
Igdamanosaurus aegyptiacus Zdansky 1935 mosasaur
BNMH R11898
cf. Mosasaurus hoffmani mosasaur
BMNH R11913
Halisaurus sp. Marsh 1869 mosasaur
BMNH R11983, R11906, R11951, R11952