Alakol' lake: Pliensbachian - Toarcian, Kazakhstan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Polypodiopsida
- Equisetales
- Calamitaceae
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Neocalamites informal sp. 1 axis
Halle 1908
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Coniferales
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Desmiophyllum informal sp. 1 leaf
Lesquereux 1878
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Coniferales
- Podocarpaceae
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Podozamites informal sp. 1 leaf
Braun 1843
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Podozamites informal sp. 2 leaf
Braun 1843
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Podozamites informal sp. 3 leaf
Braun 1843
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Gnetopsida
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Pityophyllum informal sp. 1 leaf
Nathorst 1899
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Ginkgoopsida
- Ginkgoales
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Sphenobaiera informal sp. 1 leaf
Florin 1936
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Sphenobaiera informal sp. 2 leaf
Florin 1936
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Ginkgoopsida
- Czekanowskiales
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Czekanowskia informal sp. 1 leaf
Heer 1876
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Czekanowskia informal sp. 2 leaf
Heer 1876
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Czekanowskia informal sp. 3 leaf
Heer 1876
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Czekanowskia informal sp. 4 leaf
Heer 1876
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| see common names | |||||||
Geography
| Country: | Kazakhstan |
| Coordinates: | 46.0° North, 62.0° East (view map) |
| Paleocoordinates: | 46.4° North, 64.7° East |
| Basis of coordinate: | estimated from map |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| *Period: | Early/Lower Jurassic | ||
| *International age/stage: | Pliensbachian - Toarcian | ||
| Key time interval: | Pliensbachian - Toarcian | ||
| Age range of interval: | 192.90000 - 174.70000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Uzunbulak Suite |
Lithology and environment
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:List from p.216-224. Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered. | |
Metadata
| Also known as: | PGAP 793 | ||
| Database number: | 30241 | ||
| Authorizer: | A. Rees | Enterer: | A. Rees | Research group: | paleobotany |
| Created: | 2003-04-02 12:40:52 | Last modified: | 2003-04-04 14:34:36 |
| Access level: | the public | Released: | 2003-04-02 12:40:52 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 8160. | PGAP 326 | G. M. Koval'chuk. 1961. Paleobotanical characteristics of the Lower Mesozoic deposits of the Alakul' lake. Transactions of the Laboratory of Coal Geology. History of the Lower Mesozoic coal deposition in Kazakhstan. Part 1 13:216-224 [A. Rees/A. Rees/S. Bruning] |