Los Mangos 31-2607': Albian, Colombia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Camarazonosporites insignis
1 specimen
Inaperturapollenites (informal scabratus) informal 50um
4 specimens
Rugutriletes spp.
1 specimen
Equisetopsida - Cheirolepidiaceae
Classopollis cf. intrareticulatus Volkheimer 1972
2 specimens
Equisetopsida - Araucariaceae
Araucariacites australis Cookson 1947
6 specimens
unclassified
Retitricolpites spp.
1 specimen
Concavissimisporites (informal irregularis) kyrtomatus
2 specimens
Echitriletes spp.
1 specimen
Angiospermae - Alismatales
Pennipollis reticulatus Friis et al. 2010
1 specimen
Coniferales - Podocarpaceae
Callialasporites dampieri (Balme 1957)
7 specimens
original and current combination Zonallapollenites dampieri
unclassified
Psilatriletes informal betweentwentyfiveandfifty
31 specimens
Psilatriletes informal morethanfifty
1 specimen
Psilatriletes informal twentyfive
9 specimens
Polypodiopsida
Verrucosisporites rotundus Singh 1964
4 specimens
Polypodiopsida - Schizaeales - Schizaeaceae
Cicatricosisporites hallei Delcourt and Sprumont 1955
3 specimens
unclassified
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
Stratigraphy
Formation:Caballos
Local section:Caballos Local bed:795 m
Local order:top to bottom
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]