Echkar Formation
| Echkar Formation | |
|---|---|
| Stratigraphic range: Cenomanian | |
| Type | Geological formation |
| Unit of | Tegama Group |
| Overlies | Elrhaz Formation |
| Location | |
| Country |  Niger |
The Echkar Formation is a geological formation in Niger, central Africa.
Its strata dates back to the Late Cretaceous (Cenomanian stage, about 93 million years ago). Dinosaur remains are among the fossils that have been recovered from the formation.[1]
Vertebrate paleofauna
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Sauropsids
Color key
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Notes Uncertain or tentative taxa are in small text; |
| Archosaurs of the Echkar Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
   | ||||||
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C. iguidensis[3] |
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A. rattoides |
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K. saharicus |
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L. thaumastos |
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R. primus |
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S. sp |
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See also
References
- ^ Weishampel, David B; et al. (2004). "Dinosaur distribution (Early Cretaceous, Africa)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 571-573. ISBN 0-520-24209-2.
- ^ Brusatte, S. and Sereno, P.C. (2005). "A new species of Carcharodontosaurus (Dinosauria: Theropoda) from the Cenomanian of Niger and its implications for allosauroid phylogeny." Journal of Vertebrate Paleontology, 25: 40A.
- ^ Brusatte, S.L. and Sereno, P.C. (2007). "A new species of Carcharodontosaurus (dinosauria: theropoda) from the Cenomanian of Niger and a revision of the genus." Journal of Vertebrate Paleontology, 27(4): .
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