Tashkutan: Aalenian - Bajocian, Tajikistan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polypodiopsida
Cladophlebis informal sp. 1 leaf Brongniart 1849
Cladophlebis informal sp. 2 leaf Brongniart 1849
Cladophlebis informal sp. 3 leaf Brongniart 1849
Polypodiopsida - Cyatheales - Cyatheaceae
Coniopteris informal sp. 1 leaf Brongniart 1849
Coniopteris informal sp. 2 leaf Brongniart 1849
Polypodiopsida - Equisetales - Equisetaceae
Equisetites informal sp. 1 axis Sternberg 1833
Polypodiopsida - Marattiales - Marattiaceae
Marattia informal sp. 1 leaf Swartz 1788
Bennettitales
Otozamites informal sp. 1 leaf Braun 1843
Cycadolepis informal sp. 1 Saporta 1875
Williamsonia informal sp. 1 Carruthers 1870
Ptilophyllum informal sp. 1 leaf Morris 1840
Pinopsida - Pinales - Taxaceae
Elatides informal sp. 1 leaf Heer 1876
Angiospermae
Carpolithus informal sp. 1 Linnaeus 1768
Ginkgoopsida - Ginkgoales - Ginkgoaceae
Baiera informal sp. 1 leaf Braun 1843
Ginkgo informal sp. 1 leaf Linnaeus 1771
Ginkgoopsida - Czekanowskiales
Phoenicopsis informal sp. 1 leaf Heer 1876
Cycadopsida - Cycadales
Taeniopteris informal sp. 1 leaf Brongniart 1828
Nilssonia informal sp. 1 leaf (Brongniart 1825)
misspelling Nilsonia
Equisetopsida - Araucariaceae
Araucarites informal sp. 1 Presl 1833
Brachyphyllum informal sp. 1 leaf Brongniart 1828
see common names

Geography
Country:Tajikistan
Coordinates: 38.7° North, 68.3° East (view map)
Paleocoordinates:38.6° North, 74.0° 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:Gurud 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. 127. 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 646
Database number:30915
Authorizer:A. Rees Enterer:A. Rees
Research group:paleobotany
Created:2003-04-02 12:40:55 Last modified:2003-04-04 14:34:36
Access level:the public Released:2003-04-02 12:40:55
Creative Commons license:CC BY
Reference information

Primary reference:
8210.PGAP 253N.P. Gomolitskii. 1972. Subdivision of the Jurassic continental deposits of Middle Asia based on paleobotanic data. Sovetskaya Geologiya (8)124-130 [A. Rees/A. Rees]