Echkar Formation

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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 whose 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[edit]

Sauropsids[edit]

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

Anatosuchus

A. minor

Lower

Carcharodontosaurus[2]

C. iguidensis[3]

Kaprosuchus

K. saharicus

Laganosuchus

L. thaumastos

Rugops

R. primus

See also[edit]

References[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): .