Los Mangos 31-2625': Albian, Colombia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
|
|||||||
Araucariacidites guianensis
|
2 specimens | ||||||
Inaperturapollenites (informal scabratus) informal 50um
|
43 specimens | ||||||
Angiospermae
- Gunnerales
|
|||||||
Tricolpites informal amplocolpatus
|
1 specimen | ||||||
Angiospermae
|
|||||||
Afropollis spp.
|
2 specimens | ||||||
Coniferales
- Podocarpaceae
|
|||||||
Callialasporites trilobatus
(Balme 1957)
|
1 specimen | ||||||
original and current combination Tsugaepollenites trilobatus | |||||||
Callialasporites dampieri
(Balme 1957)
|
8 specimens | ||||||
original and current combination Zonallapollenites dampieri | |||||||
Equisetopsida
- Cheirolepidiaceae
|
|||||||
Classopollis cf. intrareticulatus
Volkheimer 1972
|
59 specimens | ||||||
unclassified
|
|||||||
Concavissimisporites (informal irregularis) kyrtomatus
|
3 specimens | ||||||
Polypodiopsida
|
|||||||
Verrucosisporites rotundus
Singh 1964
|
5 specimens | ||||||
Polypodiopsida
- Blechnaceae
|
|||||||
Leptolepidites informal sutilis
|
1 specimen | ||||||
Polypodiopsida
- Schizaeales
- Schizaeaceae
|
|||||||
Klukisporites foveolatus
Pocock 1965
|
5 specimens | ||||||
Cicatricosisporites hallei
Delcourt and Sprumont 1955
|
7 specimens | ||||||
Polypodiopsida
- Osmundaceae
|
|||||||
Baculatisporites comaumensis
Potonie 1953
|
1 specimen | ||||||
unclassified
|
|||||||
Psilatriletes informal betweentwentyfiveandfifty
|
129 specimens | ||||||
Psilatriletes informal morethanfifty
|
4 specimens | ||||||
Psilatriletes informal twentyfive
|
3 specimens | ||||||
Gabonisporites informal densobaculatus
|
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: | 139365 | ||
Authorizer: | C. Jaramillo | Enterer: | G. Doria | Research group: | paleobotany |
Created: | 2013-02-11 12:19:32 | Last modified: | 2013-02-10 19:19:32 |
Access level: | the public | Released: | 2013-02-11 12:19:31 |
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] |