The Kakanaut Formation is a geological
formation
Formation may refer to:
Linguistics
* Back-formation, the process of creating a new lexeme by removing or affixes
* Word formation, the creation of a new word by adding affixes
Mathematics and science
* Cave formation or speleothem, a secondar ...
in Siberia, whose strata date back to the
Late Cretaceous
The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', the ...
(
Maastrichtian
The Maastrichtian () is, in the ICS geologic timescale, the latest age (uppermost stage) of the Late Cretaceous Epoch or Upper Cretaceous Series, the Cretaceous Period or System, and of the Mesozoic Era or Erathem. It spanned the interval from ...
).
Dinosaur
Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the evolution of dinosaurs is t ...
remains are among the fossils that have been recovered from the formation.
[Weishampel et al., 2004, pp.593-600] The flora of the formation is relictual, containing some of the youngest remains of the extinct plant orders
Bennettitales
Bennettitales (also known as cycadeoids) is an extinct order of seed plants that first appeared in the Permian period and became extinct in most areas toward the end of the Cretaceous. Bennettitales are among the most common Mesozoic seed plants ...
and
Czekanowskiales.
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
This list of dinosaur-bearing rock formations is a list of geologic formations in which dinosaur fossils have been documented.
Containing body fossils
* List of stratigraphic units with dinosaur body fossils
** List of stratigraphic units with few ...
*
List of fossiliferous stratigraphic units in Russia
References
*
{{DEFAULTSORT:Fossiliferous stratigraphic units in Russia
Geologic formations of Russia, .
Paleontology in Russia, .
Fossiliferous stratigraphic units of Asia, Russia
Fossiliferous stratigraphic units of Europe, Russia
R ...
References
Bibliography
*
* {{ISBN, 0-520-24209-2
Geologic formations of Russia
Upper Cretaceous Series of Asia
Cretaceous Russia
Maastrichtian Stage
Sandstone formations
Lacustrine deposits
Paleontology in Russia
Geology of Siberia