Koum Formation
| Koum Formation | |
|---|---|
| Stratigraphic range: Aptian-Albian ~ | |
| Type | Geological formation |
| Sub-units | Mbissirri Member, Grés de Gaba Member |
| Lithology | |
| Primary | Sandstone |
| Other | Claystone, siltstone, conglomerate |
| Location | |
| Coordinates | 8°18′N 14°30′E / 8.3°N 14.5°E |
| Approximate paleocoordinates | 8°06′S 5°00′E / 8.1°S 5.0°E |
| Region | Nord |
| Country | |
| Extent | Koum Basin |
Koum Formation (Cameroon) | |
The Koum Formation is a geological formation in the North Province of Cameroon, western Africa.
Its strata date back to the Aptian and Albian stages of the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.[1]
Fossil content
[edit]The following fossils have been found in the formation:[1]
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Dinosaurs
[edit]Theropods
[edit]| Theropods of the Koum Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Baryonychinae Indet.[2] | Indeterminate | A spinosaurid theropod | ||||
Ornithopods
[edit]| Ornithopods of the Koum Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Ouranosaurus[3] | O. nigeriensis | A sail-backed hadrosauriform iguanodontian | ||||
See also
[edit]References
[edit]- ^ a b Weishampel et al., 2004, pp.571-573
- ^ Bertin, Tor (2010). "A Catalogue of Material and Review of the Spinosauridae". PalArch's Journal of Vertebrate Palaeontology. 7 (4): 01–39. ISSN 1567-2158.
- ^ Congleton, J.D. (1990). "Vertebrate Paleontology of the Koum Basin, Northern Cameroon, and Archosaurian Paleobiogeography in the Early Cretaceous". Department of Geology, Southern Methodist University, Dallas.
Bibliography
[edit]- Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21
Further reading
[edit]- J. D. Congleton. 1990. Vertebrate Paleontology of the Koum Basin, Northern Cameroon, and Archosaurian Paleobiogeography in the Early Cretaceous. Department of Geology, Southern Methodist University, Dallas xv-245
- L. J. Flynn and M. Brunet. 1989. Early Cretaceous vertebrates from Cameroon. Journal of Vertebrate Paleontology 9(3, suppl.):21A