Earth:Kakanaut Formation
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Short description: Late Cretaceous Siberian formation with dinosaur fossils and ancient plant orders
| Kakanaut Formation Stratigraphic range: Maastrichtian ~70–66 Ma | |
|---|---|
| Type | Geological formation |
| Underlies | Danian marine deposits |
| Overlies | Maastrichtian marine deposits |
| Thickness | 1,000 m (3,300 ft) |
| Lithology | |
| Primary | Sandstone |
| Other | Volcaniclastic |
| Location | |
| Coordinates | [ ⚑ ] : 62°54′N 177°06′E / 62.9°N 177.1°E |
| Paleocoordinates | [ ⚑ ] 75°42′N 179°00′E / 75.7°N 179.0°E |
| Region | Chukotka Autonomous Okrug |
| Country |  Russia |
| Type section | |
| Named for | Kakanaut River |
  Kakanaut Formation (Russia) | |
The Kakanaut Formation is a geological formation in Siberia, whose strata date back to the Late Cretaceous (Maastrichtian). Dinosaur remains are among the fossils that have been recovered from the formation.[1][2] The flora of the formation is relictual, containing some of the youngest remains of the extinct plant orders Bennettitales and Czekanowskiales.[3][4]
Fossil content
- Troodon cf. formosus
- Ankylosauria indet.
- Dinosauria indet.
- Dromaeosauridae indet.
- Hadrosauridae indet.
- Neoceratopsia indet.
- Ornithopoda indet.
- Prismatoolithidae indet.
- Spheroolithidae indet.
- Theropoda indet.
- Tyrannosauridae indet.
- ?Aves indet.
See also
- List of dinosaur-bearing rock formations
- List of fossiliferous stratigraphic units in Russia
References
- ↑ Weishampel et al., 2004, pp.593-600
- ↑ Godefroit et al., 2009
- ↑ Gnilovskaya, Anastasia A.; Golovneva, Lina B. (February 2018). "The Late Cretaceous Pterophyllum (Bennettitales) in the North-East of Russia" (in en). Cretaceous Research 82: 56–63. doi:10.1016/j.cretres.2017.09.013. https://linkinghub.elsevier.com/retrieve/pii/S0195667117300630.
- ↑ Zolina, Anastasia; Golovneva, Lina; Nosova, Natalya; Grabovskiy, Alexander (2020-12-01). "A new species of Phoenicopsis (Leptostrobales) from the Maastrichtian–Danian of Chukotka, Russia" (in en). Geobios 63: 67–75. doi:10.1016/j.geobios.2020.09.002. ISSN 0016-6995. https://www.sciencedirect.com/science/article/abs/pii/S0016699520300887.
Bibliography
- Godefroit, P.; L. Golovneva; S. Shchepetov; G. García, and P. Alekseev. 2009. The last polar dinosaurs: high diversity of latest Cretaceous arctic dinosaurs in Russia. Naturwissenschaften 96. 495-501. Accessed 2019-03-29.
- Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21.ISBN:0-520-24209-2
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