Microflora del Neosinemuriano, final del arroyo Lapa: Late/Upper Sinemurian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Auritulinasporites informal sp.
Nilsson 1958
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Pteridopsida
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Todisporites minor
Couper 1953
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Todisporites major
Couper 1953
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Ischyosporites informal sp.
Balme 1957
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Deltoidospora minor
Pocock 1970
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Osmundacidites informal sp.
Couper 1953
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Polypodiopsida
- Gleicheniaceae
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Gleicheniidites informal sp. B
Dettmann 1963
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Gleicheniidites informal sp. C
Dettmann 1963
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Polypodiopsida
- Cyatheales
- Cyatheaceae
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Alsophilidites informal sp.
Cookson
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Polypodiopsida
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Verrucosisporites informal sp. E
Potonie and Kremp 1954
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Polypodiopsida
- Osmundaceae
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Rugulatisporites informal sp.
Pflug and Thomson 1953
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Baculatisporites informal sp.
Thomson and Pflug 1953
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Polypodiopsida
- Blechnaceae
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Peromonolites informal sp.
Couper 1953
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unclassified
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Concavisporites cf. semiangulatus
Menéndez 1963
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Coniferales
- Podocarpaceae
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Podocarpidites ellipticus
Cookson 1947
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Ginkgoopsida
- Caytoniales
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Vitreisporites pallidus
Nilsson 1958
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unclassified
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Cycadopites informal sp.
Wodehouse 1933
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Cycadopites nitidus
de Jersey 1964
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Equisetopsida
- Araucariaceae
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Araucariacites australis
Cookson 1947
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Araucariacites pergranulatus
Volkheimer 1968
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Equisetopsida
- Cheirolepidiaceae
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Classopollis informal sp.
Pflug 1953
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Classopollis cf. classoides
Pflug 1953
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Classopollis simplex
Reiser and Williams 1969
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unclassified
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Nevesisporites vallatus
de Jersey and Paten 1964
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Lycopodiopsida
- Selaginellales
- Selaginellaceae
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Neoraistrickia informal sp.
Potonié 1956
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Lycopodiopsida
- Lycopodiales
- Lycopodiaceae
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Lycopodiumsporites austroclavatidites
Potonié 1956
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unclassified
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Punctatisporites informal sp.
Potonié and Kremp 1954
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Punctatisporites scabratus
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Perinopollenites elatoides
Couper 1958
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Alisporites informal sp.
Daugherty 1941
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Aratrisporites informal sp.
Leschik 1956
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Geography
| Country: | Argentina | State/province: | Neuquén |
| Coordinates: | 39.4° South, 70.4° West (view map) | ||
| Paleocoordinates: | 41.5° South, 28.2° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Sinemurian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Late/Upper Sinemurian | ||
| Age range of interval: | 199.50000 - 192.90000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | lithified silty siltstone |
| Secondary lithology: | lithified sandy sandstone |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,soft parts,original sporopollenin |
| Size of fossils: | microfossils |
Collection methods and comments
| Collection methods: | bulk,chemical,hydrochloric,hydroflouric,field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 151448 | ||
| Authorizer: | C. Jaramillo | Enterer: | P. Santamarina | Research group: | micropaleontology |
| Created: | 2013-10-03 00:42:49 | Last modified: | 2013-10-02 09:42:49 |
| Access level: | the public | Released: | 2013-10-03 00:42:49 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 48399. | W. Volkheimer. 1971. Algunos adelantos de la microbioestratigrafía del Jurásico en la Argentina y comparación con otras regiones del Hemisferio Austral. Ameghiniana VIII(3 - 4):341-355 [C. Jaramillo/P. Santamarina] |