The Echkar Formation is a geological formation comprising sandstones and claystones in the Agadez Region of Niger, central Africa.
Echkar Formation | |
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Stratigraphic range: Late Albian-Cenomanian ~ | |
Type | Geological formation |
Unit of | Tegama Group |
Underlies | Farak Formation |
Overlies | Elrhaz Formation |
Lithology | |
Primary | Sandstone |
Other | Claystone |
Location | |
Coordinates | 17°54′N 5°36′E / 17.9°N 5.6°E |
Approximate paleocoordinates | 2°48′N 0°24′E / 2.8°N 0.4°E |
Region | Agadez Region |
Country | Niger |
Extent | Iullemmeden Basin |
Type section | |
Named for | Echkar, Aderbissinat |
Echkar Formation (Niger) |
Its strata date back to the Late Albian to Late Cretaceous (Cenomanian stages, about 100-95 million years ago). Dinosaur remains are among the fossils that have been recovered from the formation.[1]
Archosaurs | ||||
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Genus | Species | Material | Notes | Images |
Aegyptosaurus | A. baharijensis | |||
Araripesuchus | A. rattoides | |||
Bahariasaurus | B. ingens | |||
Carcharodontosaurus[3] | C. iguidensis[4] C. saharicus[2] |
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Ceratodus | C. sp. | |||
Elaphrosaurus | E. iguidiensis (=Theropoda indet.) | Likely an indeterminate theropod. | ||
Elosuchus | E. sp. | |||
Fortignathus | F. felixi | |||
Inosaurus | I. tedreftensis | |||
Kaprosuchus | K. saharicus | |||
Laganosuchus | L. thaumastos | |||
Lepidotes | L. sp. | |||
Onchopristis | O. numida | |||
Platyspondylus | P. foureaui | |||
Rebbachisaurus | R. tamesnensis R. sp.[citation needed] |
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Rugops | R. primus | |||
Spinosaurus | S. aegyptiacus | |||
?Stegosauria indet. | No genus given. May not actually belong to Stegosauria. | |||
Testudines indet. | No genus given. |