Aksaisk: Aalenian - Bajocian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Equisetopsida - Araucariaceae
Pagiophyllum informal sp. 1 leaf Heer 1881
Coniferales
Stenorachis informal sp. 1 leaf (Andrews 1970)
original and current combination Stenorhachis
Coniferales - Podocarpaceae
Podozamites informal sp. 1 leaf Braun 1843
Bennettitales
Anomozamites informal sp. 1 leaf Schimper 1870
Polypodiopsida
Cladophlebis informal sp. 1 leaf Brongniart 1849
Cladophlebis informal sp. 2 leaf Brongniart 1849
Cladophlebis informal sp. 3 leaf Brongniart 1849
Cladophlebis informal sp. 4 leaf Brongniart 1849
Cladophlebis informal sp. 5 leaf Brongniart 1849
Cladophlebis informal sp. 6 leaf Brongniart 1849
Cladophlebis informal sp. 7 leaf Brongniart 1849
Polypodiopsida - Equisetales - Calamitaceae
Neocalamites informal sp. 1 axis Halle 1908
Neocalamites informal sp. 2 axis Halle 1908
Polypodiopsida - Equisetales - Equisetaceae
Equisetum informal sp. 1 axis Linnaeus 1753
Equisetum informal sp. 2 axis Linnaeus 1753
Polypodiopsida - Osmundaceae
Todites informal sp. 1 leaf Seward 1900
Polypodiopsida - Polypodiaceae
Clathropteris informal sp. 1 leaf Brongniart 1828
Ginkgoopsida - Czekanowskiales
Czekanowskia informal sp. 1 leaf Heer 1876
Czekanowskia informal sp. 2 leaf Heer 1876
Ginkgoopsida - Ginkgoales - Ginkgoaceae
Ginkgo informal sp. 1 leaf Linnaeus 1771
Cycadopsida - Cycadales
Taeniopteris informal sp. 1 leaf Brongniart 1828
see common names

Geography
Country:Russian Federation
Coordinates: 41.8° North, 74.0° East (view map)
Paleocoordinates:42.7° North, 78.4° East
Basis of coordinate:estimated from map
Time
Period:Jurassic Epoch:Middle Jurassic
*Period:Middle Jurassic
*International age/stage:Aalenian - Bajocian
Key time interval:Aalenian - Bajocian
Age range of interval:174.70000 - 168.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Aksaisk
Lithology and environment
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments: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 842
Database number:30420
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:

8058.PGAP 567N.P. Gomolitskii and R.K. Khudaiberdyev. 1978. About the Middle Asia Jurassic flora. The Palaeobotanist 25:104-108 [A. Rees/A. Rees]