Echkar Formation

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Echkar Formation
Stratigraphic range: Cenomanian
Type Geological formation
Unit of Tegama Group
Underlies Farak Formation
Overlies Elrhaz Formation
Region Africa
Country  Niger

The Echkar Formation is a geological formation in Niger, central Africa.

Its strata dates back to the Late Cretaceous (Cenomanian stage, about 95 million years ago). Dinosaur remains are among the fossils that have been recovered from the formation.[1]

Vertebrate paleofauna[edit]


Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Archosaurs of the Echkar Formation
Genus Species Material Notes Images


C. iguidensis[3]


A. rattoides


K. saharicus


L. thaumastos


R. primus


S. sp

See also[edit]


  1. ^ 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.
  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.
  3. ^ 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): .