Los Mangos 7-2766': Aptian - Albian, Colombia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Angiosperm sp.
1 specimen
Baculotriletes informal dispersatus
4 specimens
Equisetoporites dudarensis
5 specimens
Inaperturapollenites (informal scabratus) informal 50um
43 specimens
Lilicacidites informal incresatus
1 specimen
Echimonoletes informal sphericus
1 specimen
Equisetopsida - Cheirolepidiaceae
Classopollis cf. intrareticulatus Volkheimer 1972
136 specimens
unclassified
Brenneripollis sp. Juhász and Goczan 1985
4 specimens
Psilatricolpites informal simplex Jaramillo and Dilcher 2001
3 specimens
Retipollenites informal gigantoechinus
1 specimen
Retitricolpites spp.
1 specimen
Scabratriletes spp.
1 specimen
Exesipollenites tumulus Balme 1957
11 specimens
Verrutriletes informal verruconstrictus
1 specimen
Verrumonoletes informal olivicus
1 specimen
nomen nudum belonging to Plantae
Echitriletes informal minutus
1 specimen
Echitriletes spp.
2 specimens
Lycopsida
Foveotriletes spp.
1 specimen
Foveotriletes informal titanicus
1 specimen
Polypodiopsida - Schizaeales - Schizaeaceae
Klukisporites foveolatus Pocock 1965
2 specimens
Cicatricosisporites informal pseudodorogensis
3 specimens
Cicatricosisporites spp.
5 specimens
Cicatricosisporites sinuosus Hunt 1985
2 specimens
Cicatricosisporites hughesii Dettmann 1963
1 specimen
Polypodiopsida - Schizaeales
Appendicisporites cf. dentimarginatus Brenner 1963
1 specimen
Polypodiopsida
Verrucosisporites rotundus Singh 1964
1 specimen
Polypodiopsida - Osmundaceae
Baculatisporites comaumensis Potonie 1953
1 specimen
Polypodiopsida - Blechnaceae
Leptolepidites informal sutilis
2 specimens
unclassified
Impardecispora trioreticulosa
4 specimens
Psilatriletes informal morethanfifty
6 specimens
Psilatriletes informal twentyfive
6 specimens
Concavissimisporites (informal irregularis) kyrtomatus
5 specimens
Ginkgoopsida - Ephedrales
Ephedripites sp. Bolkhovitina and Potonié 1958
6 specimens
Ephedripites multicostatus Brenner 1963
3 specimens
Equisetosporites informal medius
3 specimens
Equisetosporites informal polaris
4 specimens
Equisetosporites cf. leptomatus de Lima 1980
3 specimens
Angiospermae
Retimonocolpites informal ellipticus
1 specimen
Stellatopollis doylei Ibrahim 2002
1 specimen
Coniferales - Podocarpaceae
Callialasporites dampieri (Balme 1957)
1 specimen
original and current combination Zonallapollenites dampieri
Hepaticae
Zlivisporis informal titanicusarruguitas
8 specimens
unclassified
Perotriletes informal zlivisporinicus
2 specimens
see common names

Geography
Country:Colombia State/province:Huila
Coordinates: 2.6° North, 75.5° West (view map)
Paleocoordinates:1.0° South, 45.4° West
Basis of coordinate:stated in text
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Key time interval:Aptian - Albian
Age range of interval:125.00000 - 100.50000 m.y. ago
Stratigraphy
Formation:Ocal
Local section:Ocal Local bed:897 m
Local order:top to bottom
Lithology and environment
Primary lithology: lithified "shale"
Secondary lithology:planar lamination,gray lithified sandstone
Lithology description: The overlying Ocal Formation is composed of intercalated shales and sands that accumulated in fluvial channels, coastal and interior floodplains, low energy bays, and distal bay deposits ( Ramon and Fajardo, 2004).
Environment:interdistributary bay
Geology comments: The overlying Ocal Formation is composed of intercalated shales and sands that accumulated in fluvial channels, coastal and interior floodplains, low energy bays, and distal bay deposits ( Ramon and Fajardo, 2004).
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:139392
Authorizer:C. Jaramillo Enterer:G. Doria
Research group:paleobotany
Created:2013-02-11 12:47:23 Last modified:2013-02-10 19:47:23
Access level:the public Released:2013-02-11 12:47:23
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]