Batylykh Formation
Geological formation in Yakutia, Russia
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The Batylykh Formation is a geological formation in Yakutia, Russia. It is of an uncertain Early Cretaceous age, probably dating between the Berriasian and the Barremian. It is the oldest unit of the 1,500 metres (4,900 ft) thick Sangar Series within the Vilyuy syneclise. The mudstones, sandstones and shales of the formation were deposited in a fluvial to lacustrine environment.
Unit ofSangar Series
UnderliesEksenyakh Formation
| Batylykh Formation | |
|---|---|
| Stratigraphic range: Early Cretaceous ? | |
Teete locality with stratigraphic column | |
| Type | Geological formation |
| Unit of | Sangar Series |
| Underlies | Eksenyakh Formation |
| Lithology | |
| Primary | Claystone, siltstone, sandstone |
| Location | |
| Coordinates | 62.7°N 117.6°E |
| Approximate paleocoordinates | 66.5°N 110.1°E |
| Region | Yakutia |
| Country |  Russia |
| Extent | Vilyuy River Basin |
  Batylykh Formation (Russia) | |
Fossil content
The formation is best known for the Teete locality, which has revealed remains of numerous vertebrates, including dinosaurs and mammals.
Fossils recovered from the formation include:[1]
- Mammaliaformes
- Cryoharamiya[2]
- cf. Sineleutherus sp.
- Docodonta indet.
- Gobiconodon[3]
- Sangarotherium[3]
- Xenocretosuchus
- Khorotherium
- Tritylodontidae[4]
- Reptiles
- Khurendukhosaurus
- Ankylosauria indet.
- Coelurosauria indet.
- Lacertilia indet.
- Macronaria indet.
- Mesochelydia indet.[5]
- Stegosauria indet.[6]
- Theropoda indet.
- Amphibians
- Fish
- Insects
- Bivalves
- Gastropods
- Flora
- Podocarpus multesima
- Selaginella velata
- Stereisporites compactus
- S. congregatus
- Tripartina variabilis
- Ginkgocycadophytus sp.
- Klukisporites sp.
- Leiotriletes sp.
- Ophyoglossum sp.
- Piceapollenites sp.
- Picea sp.
- Pinus sp.
- Selaginella sp.
- Stereisporites sp.
- Pinaceae indet.
Gallery
Dinosaur teeth
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See also
- List of fossiliferous stratigraphic units in Russia
- Bukachacha Formation, contemporaneous fossiliferous formation of Zabaykalsky Krai