Alakol': Hettangian - Sinemurian, Kazakhstan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Equisetina informal sp. 1 axis Zalessky 1939
Gnetopsida
Pityophyllum informal sp. 1 leaf Nathorst 1899
Pityophyllum informal sp. 2 leaf Nathorst 1899
Pityophyllum informal sp. 3 leaf Nathorst 1899
Pityophyllum informal sp. 4 leaf Nathorst 1899
Sphenopteridae
Sphenopteris informal sp. 1 leaf Sternberg 1825
unclassified
Pseudotorellia informal sp. 1 leaf Florin 1936
Pseudotorellia informal sp. 2 leaf Florin 1936
Angiospermae
Carpolithus informal sp. 1 Linnaeus 1768
Coniferales
Desmiophyllum informal sp. 1 leaf Lesquereux 1878
Coniferales - Podocarpaceae
Podozamites informal sp. 1 leaf Braun 1843
Podozamites informal sp. 2 leaf Braun 1843
Podozamites informal sp. 3 leaf Braun 1843
Bennettitales
Pterophyllum informal sp. 1 leaf Brongniart 1828
Pinopsida - Pinales - Taxaceae
Elatides informal sp. 1 leaf Heer 1876
Pinopsida - Pinales - Pinaceae
Pityostrobus informal sp. 1 Dutt 1916
unclassified
Radicites informal sp. 1 Potonié 1893
Lycopodiopsida - Lycopodiales - Lycopodiaceae
Lycopodites informal sp. 1 axis Brongniart 1822
Lycopodites informal sp. 2 axis Brongniart 1822
Polypodiopsida - Equisetales - Equisetaceae
Equisetites informal sp. 1 axis Sternberg 1833
Polypodiopsida - Equisetales - Calamitaceae
Neocalamites informal sp. 1 axis Halle 1908
Neocalamites informal sp. 2 axis Halle 1908
Neocalamites informal sp. 3 axis Halle 1908
Neocalamites informal sp. 4 axis Halle 1908
Polypodiopsida - Polypodiaceae
Clathropteris informal sp. 1 leaf Brongniart 1828
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
Cladophlebis informal sp. 8 leaf Brongniart 1849
Cladophlebis informal sp. 9 leaf Brongniart 1849
Cladophlebis informal sp. 10 leaf Brongniart 1849
Polypodiopsida - Cyatheales - Cyatheaceae
Coniopteris informal sp. 1 leaf Brongniart 1849
Ginkgoopsida - Ginkgoales - Ginkgoaceae
Ginkgo informal sp. 1 leaf Linnaeus 1771
Ginkgo informal sp. 2 leaf Linnaeus 1771
Baiera informal sp. 1 leaf Braun 1843
Ginkgoopsida - Ginkgoales
Sphenobaiera informal sp. 1 leaf Florin 1936
Sphenobaiera informal sp. 2 leaf Florin 1936
Ginkgoopsida - Czekanowskiales
Phoenicopsis informal sp. 1 leaf Heer 1876
Phoenicopsis informal sp. 2 leaf Heer 1876
Czekanowskia informal sp. 1 leaf Heer 1876
Czekanowskia informal sp. 2 leaf Heer 1876
Czekanowskia informal sp. 3 leaf Heer 1876
see common names

Geography
Country:Kazakhstan
Coordinates: 46.0° North, 82.2° East (view map)
Paleocoordinates:57.2° North, 81.0° East
Basis of coordinate:estimated from map
Time
Period:Jurassic Epoch:Early/Lower Jurassic
10 m.y. bin:Jurassic 1
*Period:Early/Lower Jurassic
*International age/stage:Hettangian - Sinemurian
Key time interval:Hettangian - Sinemurian
Age range of interval:201.40000 - 192.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Upper Alakol' 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 794
Database number:30240
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 326G. 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]