1M - Perfil Mazarredo: Late/Upper Oligocene, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Stritricolporites spp.
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Pterospermella sp.
Volkova 1979
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Cymatiosphaera sp.
Wetzel 1933
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Ginkgoopsida
- Ephedrales
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Equisetosporites claricristatus
Barreda 1997
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Magnoliopsida
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Senipites patagonica
Barreda 1997
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Rhoipites baculatus
Archangelsky 1973
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Angiospermae
- Canellales
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Pseudowinterapollis couperii
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Angiospermae
- Myrtales
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Myrtaceidites sp.
Cookson and Pike 1960
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Angiospermae
- Fabales
- Fabaceae
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Margocolporites tenuireticulatus
Barreda 1997
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Angiospermae
- Fagales
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Nothofagidites deminuta
Quattrocchio 2000
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Nothofagidites americanus
Zamaloa 1992
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Nothofagidites saraensis
Menendez and Caccavari 1975
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Angiospermae
- Poales
- Typhaceae
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Sparganiaceaepollenites barungensis
Harris 1972
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Angiospermae
- Poales
- Poaceae
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Graminidites sp.
Potonie 1960
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Angiospermae
- Liliaceae
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Liliacidites informal sp. A
Couper 1953
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Angiospermae
- Arecaceae
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Arecipites subverrucatus
Mildenhall and Pocknall 1989
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Angiospermae
- Caryophyllales
- Chenopodiaceae
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Chenopodipollis chenopodiaceoides
Truswell 1985
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Angiospermae
- Proteales
- Proteaceae
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Proteacidites sp.
Cookson and Couper 1953
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Angiospermae
- Buxales
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Polypodiidites inangahuensis
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Angiospermae
- Gunnerales
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Tricolpites informal sp. A
Couper 1953
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Tricolpites reticulatus
Couper 1953
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Angiospermae
- Chloranthales
- Chloranthaceae
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Clavatipollenites sp.
Couper 1958
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Coniferales
- Podocarpaceae
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Podocarpidites ellipticus
Cookson 1947
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Podocarpidites microreticuloidata
Cookson 1947
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Podocarpidites rugulosus
Romero 1977
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Lygistepollenites florinii
Stover and Evans 1973
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Pteridopsida
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Cyathidites sp.
Couper 1953
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unclassified
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Muricingulisporis chenquensis
Barrera 1992
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Polypodiopsida
- Dicksoniaceae
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Cyatheacidites annulatus
Cookson 1947
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Polypodiopsida
- Polypodiales
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Polypodiisporites radiatus
Pocknall and Mildenhall 1984
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Equisetopsida
- Araucariaceae
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Araucariacites australis
Cookson 1947
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unclassified
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Psilatricolporites operculatus
Van der Hammen and Wijmstra 1964
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synonym of Ranunculacidites operculatus | |||||||
Algae
- Botryococcaceae
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Botryococcus brawnii
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unclassified
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Tasmanites sp.
Newton 1875
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Quintiniapollis striatulosa
Barreda 1997
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Mutisiapollis vitauensis
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Canthiumidites aff. bellus
Mildenhall and Pocknall 1989
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Rubipollis oblatus
Mildenhall and Pocknall 1989
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see common names |
Geography
Country: | Argentina | State/province: | Santa Cruz |
Coordinates: | 47.0° South, 66.8° West (view map) | ||
Paleocoordinates: | 48.2° South, 58.9° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | outcrop |
Time
Period: | Paleogene | Epoch: | Oligocene |
Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
Key time interval: | Late/Upper Oligocene | ||
Age range of interval: | 27.82000 - 23.03000 m.y. ago |
Stratigraphy
Formation: | Monte León |
Lithology and environment
Primary lithology: | lithified sandstone |
Lithology description: Esta sección, sobreyacente a Tobas de Sarmiento de la Edad Mamífero Deeadense, comprende 21 metros de pelitas y areniscas muy fosilíferas, en parte bioturbadas y con intercalaciones de areniscas. | |
Environment: | lagoonal |
Taphonomy
Modes of preservation: | 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 |
Collection method comments: Repositorio: Palinoteca del Centro de Investigaciones en Recursos Geológicos (CIRGEO) |
Metadata
Database number: | 151587 | ||
Authorizer: | C. Jaramillo | Enterer: | P. Santamarina | Research group: | micropaleontology |
Created: | 2013-10-08 06:34:41 | Last modified: | 2013-10-07 14:34:41 |
Access level: | authorizer only | Released: | 2018-10-08 06:34:41 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
46161. | V. Barreda and S. Palamarczuk. 2000. Palinoestratigrafía de depósitos del Oligoceno tardío-Mioceno en el área sur del Golfo San Jorge, provincia de Santa Cruz, Argentina. Ameghiniana 37(1):103-117 [C. Jaramillo/J. Ceballos/P. Santamarina] |