Stratigraphic range: Early Cretaceous (Barremian to Albian), 125–112 Ma
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S
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Outcrops of the formation near Gadoufaoua
Type
Geological formation
Unit of
Tegama Group
Underlies
Echkar Formation
Overlies
Tazolé Formation
Lithology
Primary
Sandstone
Location
Coordinates
16°48′N9°30′E / 16.8°N 9.5°E / 16.8; 9.5
Approximate paleocoordinates
3°06′N4°54′E / 3.1°N 4.9°E / 3.1; 4.9
Region
Africa
Country
Niger
Extent
Tenere desert
The Elrhaz Formation is a geological formation in Niger, West Africa.
Its strata date back to the Early Cretaceous, about 125 to 112 million years ago. Dinosaur remains are among the fossils that have been recovered from the formation, alongside those of multiple species of crocodyliformes.
The ElrhazFormation is a geological formation in Niger, West Africa. Its strata date back to the Early Cretaceous, about 125 to 112 million years ago...
It is known from two species; S. imperator from the early Albian ElrhazFormation of Niger, and S. hartti from the Late Hauterivian of northeastern Brazil...
period, about 115 to 105 million years ago. It was discovered in the ElrhazFormation in an area called Gadoufaoua, in Niger. Fossils of this dinosaur were...
in the ElrhazFormation, Gadoufaoua deposits, Agadez, Niger, in 1965 and 1970, with a third indeterminate specimen known from the Koum Formation of Cameroon...
Sereno and colleagues in 1998, based on a partial skeleton from the ElrhazFormation. Suchomimus's long and shallow skull, similar to that of a crocodile...
of carcharodontosaurid theropod dinosaur from the Early Cretaceous ElrhazFormation that lived in the Sahara 112 million years ago, in what today is the...
locality in the western Ténéré Desert, in rocks of the Aptian–Albian-age ElrhazFormation. This dinosaur was described by paleontologists Paul Sereno and Stephen...
show strong similarities to that of the Morrison Formation in the United States and the Lourinha Formation in Portugal. For example, similar theropods, ornithopods...
thigh bone collected by Philippe Taquet from the upper part of the ElrhazFormation of Gadoufaoua in the Ténéré Desert, Agadez, Niger. This rock unit dates...
mimic") is a genus of theropod dinosaur from the Early Cretaceous ElrhazFormation of Niger. It contains a single species, A. tenerensis, named in 2017...
Albert-Félix de Lapparent. Cristatusaurus is known from the Albian to Aptian ElrhazFormation, where it would have coexisted with sauropod and iguanodontian dinosaurs...
ceratosaurs from both the Kem Kem Beds and ElrhazFormation. Some sauropods are known from the Bahariya Formation such as Paralititan and Aegyptosaurus, while...
and Milner noted that two fragmentary spinosaurid snouts from the ElrhazFormation of Niger (reported by the palaeontologist Philippe Taquet in 1984)...
shaped iguanodont dinosaur from the ElrhazFormation in Niger. It contains one species, L. arenatus. The formation dates to the Early Cretaceous, roughly...
Abelisaurid and Carcharodontosaurid Theropods from the Lower Cretaceous ElrhazFormation of Niger". Acta Palaeontologica Polonica. 53 (1): 15–46. doi:10.4202/app...
recovered from named geologic formations (e.g. the Morrison Formation or the Hell Creek Formation). When this is not the case, a city or landmark near the...
The Echkar Formation is a geological formation comprising sandstones and claystones in the Agadez Region of Niger, central Africa. Its strata date back...
abelisaurid and carcharodontosaurid theropods from the Lower Cretaceous ElrhazFormation of Niger" (PDF). Acta Palaeontologica Polonica. 53 (1): 15–46. doi:10...
"Sidormimus" is an informal genus of noasaurid discovered in the ElrhazFormation in Niger. It was discovered in 2000 by Chris Sidor and it was immediately...
recovered from named geologic formations (e.g. the Morrison Formation or the Hell Creek Formation). When this is not the case, a city or landmark near the...
Araripemys and Taquetochelys, from the Santana Group of Brazil and the ElrhazFormation of Niger, respectively, which date to the Aptian-Albian stages of the...
multiple localities across the Sahara, such as several sites in the ElrhazFormation of Niger, and is not referrable to Rebbachisaurus. A third species...
which the same formation is exposed. Such sites may have separate entries if they are considered to be more notable than the formation as a whole. In...
Morocco (Anoual Formation) & Uruguay (Tacuarembó Formation); Early Cretaceous of Niger (ElrhazFormation), Algeria (Gara Samani Formation), and Brazil (Alcântara...
abelisaurid and carcharodontosaurid theropods from the Lower Cretaceous ElrhazFormation of Niger" (PDF). Acta Palaeontologica Polonica. 53 (1): 15–46. doi:10...
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