Akarmara: Bathonian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Equisetopsida
- Araucariaceae
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Pagiophyllum informal sp. 1 leaf
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Peltaspermopsida
- Peltaspermales
- Umkomasiaceae
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Pachypteris informal sp. 1 leaf
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Polypodiopsida
- Osmundaceae
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Osmundopsis informal sp. 1 leaf
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Polypodiopsida
- Marattiales
- Marattiaceae
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Marattia informal sp. 1 leaf
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Polypodiopsida
- Cyatheales
- Cyatheaceae
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Coniopteris informal sp. 1 leaf
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Coniopteris informal sp. 2 leaf
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Ginkgoopsida
- Ginkgoales
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Sphenobaiera informal sp. 1 leaf
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Cycadopsida
- Cycadales
- Nilssoniaceae
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Pseudoctenis informal sp. 1 leaf
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Cycadopsida
- Cycadales
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Paracycas informal sp. 1 leaf
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Ctenozamites informal sp. 1 leaf
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Nilssonia informal sp. 1 leaf
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Nilssonia informal sp. 2 leaf
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Schizeaceae
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Klukia informal sp. 1 leaf
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Bennettitales
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Ptilophyllum informal sp. 1 leaf
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Ptilophyllum informal sp. 2 leaf
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Coniferales
- Podocarpaceae
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Podozamites informal sp. 1 leaf
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unclassified
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Cycadites informal sp. 1 leaf
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| see common names | |||||||
Geography
| Country: | Russian Federation |
| Coordinates: | 42.9° North, 41.8° East (view map) |
| Paleocoordinates: | 3.7° North, 48.5° East |
| Basis of coordinate: | estimated from map |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bathonian | 10 m.y. bin: | Jurassic 4 |
| *Period: | Middle Jurassic | ||
| Key time interval: | Bathonian | ||
| Age range of interval: | 168.2 - 165.3 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Upper Porphyrite 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. 63, 64. 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 732 | ||
| Database number: | 30774 | ||
| Authorizer: | A. Rees | Enterer: | A. Rees | Research group: | paleobotany |
| Created: | 2003-04-02 12:40:53 | Last modified: | 2003-04-04 14:34:36 |
| Access level: | the public | Released: | 2003-04-02 12:40:53 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 8164. | PGAP 311 | G.V. Delle. 1967. Middle Jurassic flora of Tkvarcheli coal basin (TransCaucasus). In A. L. Takhtadzhyan (ed.), Academy of Sciences of the USSR. Botanical Institute. Trudy. Series 8. Paleobotanika. Problems in studies of fossil flora of coal deposits of the USSR 6:52-132 [A. Rees/A. Rees/S. Bruning] |