Lago Argentino: Middle Jurassic - Late/Upper Jurassic, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Equisetopsida
- Araucariaceae
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Brachyphyllum informal sp. 1 leaf
Brongniart 1828
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Araucaria informal sp. 1
de Jussieu 1789
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Araucarites informal sp. 1
Presl 1833
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Pagiophyllum informal sp. 1 leaf
Heer 1881
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Ginkgoopsida
- Caytoniales
- Caytoniaceae
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Sagenopteris informal sp. 1 leaf
Presl 1838
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Bennettitales
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Ptilophyllum informal sp. 1 leaf
Morris 1840
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Otozamites informal sp. 1 leaf
Braun 1843
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Otozamites informal sp. 2 leaf
Braun 1843
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Coniferales
- Podocarpaceae
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Elatocladus informal sp. 1 leaf
Halle 1913
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Polypodiopsida
- Osmundaceae
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Todites informal sp. 1 leaf
Seward 1900
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Polypodiopsida
- Cyatheales
- Cyatheaceae
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Coniopteris informal sp. 1 leaf
Brongniart 1849
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Polypodiopsida
- Gleicheniales
- Matoniaceae
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Matonidium informal sp. 1 leaf
Schenk 1871
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Geography
| Country: | Argentina | State/province: | Santa Cruz |
| Coordinates: | 50.1° South, 73.4° West (view map) | ||
| Paleocoordinates: | 47.4° South, 31.5° West | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Jurassic |
| *Period: | Middle Jurassic - Late/Upper Jurassic |
| Key time interval: | Middle Jurassic - Late/Upper Jurassic |
| Age range of interval: | 174.70000 - 145.00000 m.y. ago |
| * legacy (obsolete) database fields | |
Stratigraphy
| Stratigraphy comments: High levels of the Middle Jurassic or better still in the Upper Jurassic (Baldoni, 1981b, p.98) |
Lithology and environment
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Components of this flora first listed in an abstract by Bonetti (1974), descriptions of some of the taxa given by Baldoni (1981b) | |
| 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 18 | ||
| Database number: | 29371 | ||
| 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:
| 8117. | PGAP 24 | A. M. Baldoni. 1981. Tafoflora del Jurasico superior de la zona de Lago Argentino provincia de Santa Cruz, Republica Argentina. Ameghiniana 18:97-102 [A. Rees/A. Rees] |