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

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