C. Meschio: Toarcian - Aalenian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Scleropteris informal sp. 1 leaf Saporta 1872
Scleropteris informal sp. 2 leaf Saporta 1872
Polypodiopsida
Cladophlebis informal sp. 1 leaf Brongniart 1849
Cladophlebis informal sp. 2 leaf Brongniart 1849
Cladophlebis informal sp. 3 leaf Brongniart 1849
Polypodiopsida - Gleicheniales - Dipteridaceae
Thaumatopteris informal sp. 1 leaf Goeppert 1841
Polypodiopsida - Cyatheales - Cyatheaceae
Coniopteris informal sp. 1 leaf Brongniart 1849
Bennettitales
Otozamites informal sp. 1 leaf Braun 1843
Otozamites informal sp. 2 leaf Braun 1843
Otozamites informal sp. 3 leaf Braun 1843
Otozamites informal sp. 4 leaf Braun 1843
Otozamites informal sp. 5 leaf Braun 1843
Equisetopsida - Araucariaceae
Brachyphyllum informal sp. 1 leaf Brongniart 1828
unclassified
Ginkgoites informal sp. 1 leaf Seward 1919
Ginkgoopsida - Caytoniales - Caytoniaceae
Sagenopteris informal sp. 1 leaf Presl 1838
see common names

Geography
Country:Argentina State/province:Chubut
Coordinates: 43.7° South, 69.7° West (view map)
Paleocoordinates:41.6° South, 28.6° West
Basis of coordinate:estimated from map
Time
Period:Jurassic
10 m.y. bin:Jurassic 3
*Period:Early/Lower Jurassic - Middle Jurassic
*International age/stage:Toarcian - Aalenian
Key time interval:Toarcian - Aalenian
Age range of interval:184.20000 - 170.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Pampa de Agnia Formation:Osta Arena
Stratigraphy comments: Age assigned by Stipanicic and Bonetti (1970a). Osta Arena Fmn. grades laterally into the Cabeza de Cristiano Fmn. (Herbst 1966b)
Lithology and environment
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Collection method comments: Baldoni (1987) lists additional genera to those given by Stipanicic and Bonetti (1970a)
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 503
Database number:29370
Authorizer:A. Rees Enterer:A. Rees
Research group:paleobotany
Created:2003-04-02 12:40:47 Last modified:2017-05-23 16:34:15
Access level:the public Released:2003-04-02 12:40:47
Creative Commons license:CC BY
Reference information

Primary reference:
8024.PGAP 13P.N. Stipanicic and M.I.R. Bonetti. 1970. Posiciones estratigraficas y edades de las principales floras jurasicas argentinas. I. Floras liasicas. Ameghiniana 7(1):57-78 [A. Rees/A. Rees]