Bukobay VII, Belyaevsky I: Ladinian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Amphibia
- Temnospondyli
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| Vertebrae | ||||||||||
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Reptilia
- Erythrosuchidae
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Chalishevia cothurnata n. gen., n. sp.
Ochev 1980
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Gower and Sennikov 2000 | 3 specimens | ||||||||
| PIN 4356/1 (formerly SGU 104/385), maxilla and nasals (holotype). PIN 4366/3 (formerly SGU 104/3854), tooth; PIN 4366/2 (formerly SGU 104/3853), quadrate | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Russian Federation | State/province: | Orenburg | County: | Sol'-Iletsk |
| Coordinates: | 51.5° North, 55.5° East (view map) | ||||
| Paleocoordinates: | 42.6° North, 59.6° East (Wright 2013) | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Middle Triassic |
| Stage: | Ladinian | 10 m.y. bin: | Triassic 2 |
| Key time interval: | Ladinian | Other zone: | Berdyankian |
| Age range of interval: | 241.464 - 237 m.y. ago |
Stratigraphy
| Formation: | Bukobay | ||||
| Stratigraphy comments: Bukobay Gorizont is considered by Shishkin et al. (2000) to be Ladinian in age and approximately equivalent to the Lettenköhle of Germany; overlies the Donguz Gorizont
Bukobay is the characteristic assemblage for the Berdyankian Land-Vertebrate Faunachron (LVF) (see Lucas 2010) |
Lithology and environment
| Primary lithology: | "cross stratification",fine,medium,gray sandstone |
| Includes fossils? | Y |
| Lithology description: "Grey, fine- to medium-grained, crossbedded sandstone" | |
| Environment: | fluvial-lacustrine indet. |
| Geology comments: "Tributary channel deposits within lake deposits." | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | PIN |
| Collection method comments: Collections also in Saratov State University | |
| Taxonomic list comments:Holotype of Chalishevia was originally erroneously listed as from the Bukobay VI locality in the original description by Ochev (see Gower & Sennikov 2000 for details) | |
Metadata
| Also known as: | Locality 31 | ||
| Database number: | 97428 | ||
| Authorizer: | R. Butler | Enterer: | R. Butler |
| Modifier: | R. Butler | Research group: | vertebrate |
| Created: | 2010-07-27 00:53:33 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2010-07-27 00:53:33 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 28844. | V. P. Tverdokhlebov, G. I. Tverdokhlebova, M. V. Surkov and M. J. Benton. 2003. Tetrapod localities from the Triassic of the SE of European Russia. Earth-Science Reviews 60(1-2):1-66 [J. Mueller/T. Liebrecht/B. Allen] |
Secondary references:
| 29101 | D. J. Gower and A. G. Sennikov. 2000. Early Archosaurs from Russia. In M. J. Benton, M. A. Shishkin, D. M. Unwin & E. N. Kurochkin (eds.), The Age of Dinosaurs in Russia and Mongolia. Cambridge University Press, Cambridge 140-159 [J. Mueller/T. Liebrecht] | |
| 33209 | S. G. Lucas. 2010. The Triassic timescale based on nonmarine tetrapod biostratigraphy and biochronology. In S. G. Lucas (ed.), The Triassic Timescale, Geological Society, London, Special Publications 334:447-500 [R. Butler/R. Butler] | |
| 33210 | M. A. Shishkin, V. G. Ochev, V. R. Lozovskii and I. V. Novikov. 2000. Tetrapod biostratigraphy of the Triassic of Eastern Europe. The Age of Dinosaurs in Russia and Mongolia. Cambridge University Press, Cambridge 120-139 [R. Butler/R. Butler] |