Formación Loreto: Late/Upper Eocene - Oligocene, Chile
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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cf. Pilularia informal sp.
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Solisphaeridium informal sp. 1
Staplin et al. 1965
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Solisphaeridium informal sp. 2
Staplin et al. 1965
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Gorgonisphaeridium informal sp.
Staplin et al. 1965
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Baltisphaeridium informal sp.
Eisenack 1958
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Equisetopsida
- Araucariaceae
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Araucariacites informal sp.
Cookson and Couper 1953
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Lycopodiopsida
- Lycopodiales
- Lycopodiaceae
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cf. Lycopodium informal sp.
Linnaeus 1753
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Pteridopsida
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Triletes informal sp.
Reinsch 1881
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? Osmundacidites informal sp.
Couper 1953
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Cyathidites informal sp.
Couper 1953
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Polypodiopsida
- Gleicheniaceae
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Gleicheniidites informal sp.
Dettmann 1963
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Polypodiopsida
- Schizaeales
- Lygodiaceae
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? Lygodium informal sp.
Swartz 1800
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Polypodiopsida
- Dicksoniaceae
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Cyatheacidites annulatus
Cookson 1947
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Triletes tuberculiformis
(Cookson 1947)
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original and current combination Trilites tuberculiformis | |||||||
Angiospermae
- Fagales
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Nothofagidites informal sp.
Potonié 1960
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Nothofagidites cf. waipawaensis
Romero 1973
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Nothofagidites cf. cranwellae
Mildenhall 2003
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Nothofagidites cincta
Cookson 1969
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Angiospermae
- Gunnerales
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Tricolpites informal sp. 1
Couper 1953
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Tricolpites informal sp. 2
Couper 1953
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Angiospermae
- Proteales
- Proteaceae
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Beaupreaidites elegansiformis
Cookson 1950
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Proteacidites informal sp.
Cookson and Couper 1953
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Proteacidites cf. symphyonemoides
Cookson 1950
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Proteacidites cf. subscabratus
Couper 1960
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Coniferales
- Podocarpaceae
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Dacrydiumites florinii microspore
Cookson and Pike 1953
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Archangelsky and Romero 1974 | ||||||
Phyllocladidites mawsonii
Cookson 1947
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Trisaccites informal sp. 1
Menéndez 1968
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Trisaccites informal sp. 2
Menéndez 1968
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Trisaccites microsaccatum microspore
(Couper 1953)
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Archangelsky and Romero 1974 | ||||||
original and current combination Trisaccites microsaccatus | |||||||
Podocarpidites informal sp.
Cookson 1947
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Magnoliopsida
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Tricolporites informal sp. 1
Cookson 1947
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Tricolporites informal sp. 2
Cookson 1947
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Bivalvia
- Mytilida
- Mytilidae
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Dacrydium aff. cupressinum
Couper 1960
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Hystrichosphaeridea
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Hystrichosphaera informal sp.
Wetzel 1933
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see common names |
Geography
Country: | Chile | State/province: | Doceava Región |
Coordinates: | 53.1° South, 71.0° West (view map) | ||
Paleocoordinates: | 55.0° South, 61.7° West | ||
Basis of coordinate: | stated in text | ||
Geographic resolution: | outcrop |
Time
Period: | Paleogene |
Key time interval: | Late/Upper Eocene - Oligocene |
Age range of interval: | 37.20000 - 23.03000 m.y. ago |
Stratigraphy
Formation: | Loreto |
Stratigraphic resolution: | formation |
Lithology and environment
Primary lithology: | lithified sandy sandstone |
Secondary lithology: | lithified argillaceous mudstone |
Environment: | terrestrial indet. |
Geology comments: Se sugieren ambientes de bosque de Fagaceas y Gimnospermas. |
Taphonomy
Modes of preservation: | body,soft parts,original sporopollenin |
Size of fossils: | microfossils |
Collection methods and comments
Collection excludes: | all macrofossils |
Collection methods: | bulk,chemical,hydrochloric,hydroflouric,field collection |
Reason for describing collection: | biostratigraphic analysis |
Collection method comments: Repository: Sección Paleobotánica del Museo de Historia Natural de Santiago. |
Metadata
Database number: | 151436 | ||
Authorizer: | C. Jaramillo | Enterer: | P. Santamarina, C. Jaramillo | Research group: | micropaleontology |
Created: | 2013-10-01 23:53:43 | Last modified: | 2013-10-01 08:53:43 |
Access level: | authorizer only | Released: | 2018-10-01 23:53:43 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
48392. | A. Fasola. 1969. Estudio palinológico de la Formación Loreto (Terciario Medio), Provincia de Magallanes, Chile. Ameghiniana VI(1):3-49 [C. Jaramillo/P. Santamarina] |
Secondary references:
55102 | S. Archangelsky and E. J. Romero. 1974. Polen de Gimnospermas (Coniferas) del Cretácico Superior y Paleoceno de Patagonia. Ameghiniana 11(3):217-236 [C. Jaramillo/C. Jaramillo] |