Los Mangos 31-2541' 9'': Albian, Colombia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Angiosperm sp.
3 specimens
Retimonoporites informal monoporiticus
1 specimen
Camarazonosporites insignis
10 specimens
Inaperturapollenites (informal scabratus) informal 50um
24 specimens
Retimonoletes informal leguminosus
2 specimens
Magnoliopsida
Psilatricolporites informal innovatus
1 specimen
Angiospermae - Gunnerales
Tricolpites informal amplocolpatus
5 specimens
Angiospermae
Afropollis jardinus Doyle et al. 1982
2 specimens
Retimonocolpites informal amplocolpatus
1 specimen
Coniferales - Podocarpaceae
Callialasporites trilobatus (Balme 1957)
5 specimens
original and current combination Tsugaepollenites trilobatus
Callialasporites dampieri (Balme 1957)
9 specimens
original and current combination Zonallapollenites dampieri
unclassified
Echitriletes informal dispersiechinus
1 specimen
Echitriletes spp.
1 specimen
Retipollenites informal grandis
1 specimen
Retipollenites spp.
1 specimen
Psilatricolpites informal simplex Jaramillo and Dilcher 2001
2 specimens
Brenneripollis informal columellatus chiquis
10 specimens
Brenneripollis informal columellatus grandis
1 specimen
Phimopollenites cf. pannosus Dettmann 1974
7 specimens
Equisetopsida - Cheirolepidiaceae
Classopollis sp. Pflug 1953
1 specimen
Equisetopsida - Araucariaceae
Araucariacites australis Cookson 1947
29 specimens
unclassified
Verrutriletes informal scabrosus
4 specimens
Ginkgoopsida - Ephedrales
Equisetosporites informal medius
1 specimen
Equisetosporites fragilis Lima 1980
2 specimens
unclassified
Concavissimisporites (informal irregularis) kyrtomatus
9 specimens
Polypodiopsida
Verrucosisporites rotundus Singh 1964
6 specimens
Polypodiopsida - Schizaeales - Schizaeaceae
Cicatricosisporites informal pseudodorogensis
2 specimens
Cicatricosisporites spp.
1 specimen
Cicatricosisporites hallei Delcourt and Sprumont 1955
13 specimens
unclassified
Microfoveolatosporis skottsbergii Srivastava 1971
4 specimens
Microreticulatisporites informal medioreticulatus
1 specimen
Psilatriletes informal betweentwentyfiveandfifty
71 specimens
Psilatriletes informal twentyfive
63 specimens
Chomotriletes spp.
2 specimens
Gabonisporites informal densobaculatus
2 specimens
Gabonisporites informal gruesobaculatus
3 specimens
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:775 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:139359
Authorizer:C. Jaramillo Enterer:G. Doria
Research group:paleobotany
Created:2013-02-11 12:12:58 Last modified:2013-02-10 19:12:58
Access level:the public Released:2013-02-11 12:12:58
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]