Los Mangos 31-2607': Albian, Colombia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Camarazonosporites insignis
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1 specimen | ||||||
Inaperturapollenites (informal scabratus) informal 50um
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4 specimens | ||||||
Rugutriletes spp.
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1 specimen | ||||||
Equisetopsida
- Cheirolepidiaceae
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Classopollis cf. intrareticulatus
Volkheimer 1972
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2 specimens | ||||||
Equisetopsida
- Araucariaceae
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Araucariacites australis
Cookson 1947
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6 specimens | ||||||
unclassified
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Retitricolpites spp.
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1 specimen | ||||||
Concavissimisporites (informal irregularis) kyrtomatus
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2 specimens | ||||||
Echitriletes spp.
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1 specimen | ||||||
Angiospermae
- Alismatales
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Pennipollis reticulatus
Friis et al. 2010
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1 specimen | ||||||
Coniferales
- Podocarpaceae
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Callialasporites dampieri
(Balme 1957)
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7 specimens | ||||||
original and current combination Zonallapollenites dampieri | |||||||
unclassified
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Psilatriletes informal betweentwentyfiveandfifty
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31 specimens | ||||||
Psilatriletes informal morethanfifty
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1 specimen | ||||||
Psilatriletes informal twentyfive
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9 specimens | ||||||
Polypodiopsida
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Verrucosisporites rotundus
Singh 1964
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4 specimens | ||||||
Polypodiopsida
- Schizaeales
- Schizaeaceae
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Cicatricosisporites hallei
Delcourt and Sprumont 1955
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3 specimens | ||||||
unclassified
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Gabonisporites informal densobaculatus
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1 specimen | ||||||
see common names |
Geography
Country: | Colombia | State/province: | Huila |
Coordinates: | 2.6° North, 75.5° West (view map) | ||
Paleocoordinates: | 2.9° South, 47.4° West | ||
Basis of coordinate: | stated in text |
Time
Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
Key time interval: | Albian | ||
Age range of interval: | 113.00000 - 100.50000 m.y. ago |
Lithology and environment
Primary lithology: | lithified sandstone |
Secondary lithology: | planar lamination,gray lithified "shale" |
Environment: | estuary/bay |
Geology comments: The Caballos Formation (highest in the sequence) is predominantly sandy, interbedded with dark gray shales and thin coal laminations interpreted as accumulating in estuarine deposits ( Florez and Carrillo, 1993 ). |
Taphonomy
Modes of preservation: | soft parts,original sporopollenin |
Size of fossils: | microfossils |
Collection methods and comments
Collection methods: | core,hydrochloric,hydroflouric |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 139364 | ||
Authorizer: | C. Jaramillo | Enterer: | G. Doria | Research group: | paleobotany |
Created: | 2013-02-11 12:18:18 | Last modified: | 2013-02-10 19:18:18 |
Access level: | the public | Released: | 2013-02-11 12:18:18 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
44814. | P. J. Mejia-Velazquez, D. L. Dilcher, C. A. Jaramillo, L. B. Fortini, and S. R. Manchester. 2012. Palynological composition of a Lower Cretaceous South American tropical sequence: Climatic implications and diversity comparisons with other latitudes. American Journal of Botany 99:1819-1827 [C. Jaramillo/G. Doria/A. Cárdenas] |