Roca Blanca: Early/Lower Jurassic, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Equisetopsida - Araucariaceae
Pagiophyllum informal sp. 1 leaf Heer 1881
Brachyphyllum informal sp. 1 leaf Brongniart 1828
Pteridopsida - Filicales
Rhizomopteris informal sp. 1 leaf Schimper 1869
Polypodiopsida
Cladophlebis informal sp. 1 leaf Brongniart 1849
Polypodiopsida - Cyatheales - Cyatheaceae
Coniopteris informal sp. 1 leaf Brongniart 1849
Polypodiopsida - Gleicheniales - Dipteridaceae
Thaumatopteris informal sp. 1 leaf Goeppert 1841
Polypodiopsida - Equisetales - Equisetaceae
Equisetites informal sp. 1 axis Sternberg 1833
Polypodiopsida - Polypodiaceae
Clathropteris informal sp. 1 leaf Brongniart 1828
unclassified
Spiropteris informal sp. 1 leaf Schimper 1869
Ginkgoopsida - Caytoniales - Caytoniaceae
Sagenopteris informal sp. 1 leaf Presl 1838
Ginkgoopsida - Ginkgoales
Baieroxylon implexum (Zimmermann 1953)
Gnaedinger 2012
Bennettitales
Otozamites informal sp. 1 leaf Braun 1843
Amphibia - Temnospondyli
Vieraella herbstii n. gen., n. sp. Reig 1961
Benton 1997
see common names

Geography
Country:Argentina State/province:Santa Cruz
Coordinates: 48.0° South, 68.6° West (view map)
Paleocoordinates:47.9° South, 23.7° West
Basis of coordinate:estimated from map
Time
Period:Jurassic Epoch:Early/Lower Jurassic
*Period:Early/Lower Jurassic
Key time interval:Early/Lower Jurassic
Age range of interval:201.30000 - 174.10000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Roca Blanca
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 508
Database number:29393
Authorizer:A. Rees, P. Wilf, A. Dunhill Enterer:A. Rees, B. Allen, E. Stiles
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:

8227.PGAP 39R. Herbst. 1965. La flora fosil de la Formacion Roca Blanca, Provincia Santa Cruz, Patagonia, con consideraciones geologicas y estratigraficas. Opera Lilloana 12:1-101 [A. Rees/A. Rees/M. Uhen]

Secondary references:

67054 M. J. Benton. 1997. Late Triassic to Middle Jurassic extinctions among continental tetrapods: testing the pattern. In N. C. Fraser, H.-D. Sues (eds.), In the shadow of the dinosaurs: early Mesozoic tetrapods 366-397 [A. Dunhill/B. Allen]
68028 S. Gnaedinger. 2012. Ginkgoalean woods from the Jurassic of Argentina: Taxonomic considerations and palaeogeographical distribution. Geobios 45:187-198 [P. Wilf/E. Stiles]