Akhkerpi: Bathonian, Georgia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pinopsida - Pinales
Widdringtonites informal sp. 1 leaf Endlicher 1847
Pinopsida - Pinales - Taxaceae
Elatides informal sp. 1 leaf Heer 1876
Coniferales - Podocarpaceae
Podozamites informal sp. 1 leaf Braun 1843
Podozamites informal sp. 2 leaf Braun 1843
Elatocladus informal sp. 1 leaf Halle 1913
Elatocladus informal sp. 2 leaf Halle 1913
Bennettitales
Ptilophyllum informal sp. 1 leaf Morris 1840
Ptilophyllum informal sp. 2 leaf Morris 1840
Otozamites informal sp. 1 leaf Braun 1843
Anomozamites informal sp. 1 leaf Schimper 1870
Nilssoniopteris informal sp. 1 leaf Nathorst 1909
Nilssoniopteris informal sp. 2 leaf Nathorst 1909
Nilssoniopteris informal sp. 3 leaf Nathorst 1909
Nilssoniopteris informal sp. 4 leaf Nathorst 1909
Cycadolepis informal sp. 1 Saporta 1875
Polypodiopsida
Cladophlebis informal sp. 1 leaf Brongniart 1849
Cladophlebis informal sp. 2 leaf Brongniart 1849
Polypodiopsida - Osmundaceae
Todites informal sp. 1 leaf Seward 1900
Todites informal sp. 2 leaf Seward 1900
Osmundopsis informal sp. 1 leaf Harris 1931
Polypodiopsida - Polypodiales - Dryopteridaceae
Ctenis informal sp. 1 leaf Lindley and Hutton 1834
Polypodiopsida - Cyatheales - Cyatheaceae
Coniopteris informal sp. 1 leaf Brongniart 1849
Coniopteris informal sp. 2 leaf Brongniart 1849
Coniopteris informal sp. 3 leaf Brongniart 1849
Coniopteris informal sp. 4 leaf Brongniart 1849
Polypodiopsida - Gleicheniales - Dipteridaceae
Dictyophyllum informal sp. 1 leaf Lindley and Hutton 1834
Polypodiopsida - Equisetales - Equisetaceae
Equisetum informal sp. 1 axis Linnaeus 1753
Equisetum informal sp. 2 axis Linnaeus 1753
Polypodiopsida - Equisetales - Calamitaceae
Neocalamites informal sp. 1 axis Halle 1908
unclassified
Lobifolia informal sp. 1 leaf Lebedev and Rasskazova 1968
Cycadopsida - Cycadales - Nilssoniaceae
Pseudoctenis informal sp. 1 leaf Seward 1911
Pseudoctenis informal sp. 2 leaf Seward 1911
Cycadopsida - Cycadales
Ctenozamites informal sp. 1 leaf Nathorst 1886
Paracycas informal sp. 1 leaf Harris 1964
Nilssonia informal sp. 1 leaf (Brongniart 1825)
misspelling Nilsonia
Ginkgoopsida - Ginkgoales
Sphenobaiera informal sp. 1 leaf Florin 1936
Ginkgoopsida - Czekanowskiales
Czekanowskia informal sp. 1 leaf Heer 1876
unclassified
Gonatosorus informal sp. 1 leaf Raciborski 1894
Gnetopsida
Pityophyllum informal sp. 1 leaf Nathorst 1899
Peltaspermopsida - Peltaspermales - Umkomasiaceae
Pachypteris informal sp. 1 leaf Brongniart 1828
Pachypteris informal sp. 2 leaf Brongniart 1828
Equisetopsida - Araucariaceae
Brachyphyllum informal sp. 1 leaf Brongniart 1828
Araucarites informal sp. 1 Presl 1833
Pagiophyllum informal sp. 1 leaf Heer 1881
Schizeaceae
Klukia informal sp. 1 leaf Raciborski 1890
see common names

Geography
Country:Georgia
Coordinates: 41.2° North, 44.6° East (view map)
Paleocoordinates:1.5° North, 46.9° 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:168.20000 - 165.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Lithology and environment
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:List from p.85-88. 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 802
Database number:30124
Authorizer:A. Rees Enterer:A. Rees
Research group:paleobotany
Created:2003-04-02 12:40:51 Last modified:2003-04-04 14:34:36
Access level:the public Released:2003-04-02 12:40:51
Creative Commons license:CC BY
Reference information

Primary reference:
7998.PGAP 334T.I. Svanidze, I.G. Vashakidze, and E.B. Yakobidze. 1983. New data on the Bathonian flora of Georgia. Bulletin of the Academy of Sciences of the Georgian SSR 111(1):85-88 [A. Rees/A. Rees/S. Bruning]