Los Mangos 31: Aptian - Albian, Colombia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Angiosperm sp.
Lilicacidites informal incresatus
Retimonoporites informal monoporiticus
Echisetosporites ambiguus
Equisetoporites dudarensis
Gnetaceapollenites informal apolaris
Araucariacidites guianensis
Inaperturapollenites informal pelludus
Inaperturapollenites (informal scabratus) informal 50um
Inaperturapollenites (informal scabratus) informal 50umthickwall
Appendicidisporites jansonii
Baculatriletes sp.
Baculotriletes informal cortobaculatus
Baculotriletes informal dispersatus
Baculotriletes informal longibaculatus
Camarazonosporites insignis
Dictiophyllidites informal tripodioides
Muerrigerisporites coronispinalis
Rugulatriletes informal crassorugulatus
Rugulatriletes informal dissimulatus
Rugutriletes spp.
Spore spp.
Echimonoletes informal sphericus
Echimonoletes spp.
Equisetopsida - Araucariaceae
Araucariacites australis Cookson 1947
Equisetopsida - Cheirolepidiaceae
Classopollis sp. Pflug 1953
Classopollis classoides Pflug 1953
Classopollis cf. intrareticulatus Volkheimer 1972
unclassified
Phimopollenites cf. pannosus Dettmann 1974
Phimopollenites cf. pseudocheros Srivastava 1975
Brenneripollis informal columellatus chiquis
Brenneripollis informal columellatus grandis
Brenneripollis informal echinoafropollinicus
Brenneripollis sp. Juhász and Goczan 1985
Schrankipollis microreticulatus
Schrankipollis cf. mawhoubensis Doyle et al. 1990
Asteropollis informal asteripolliformis
Psilatricolpites informal simplex Jaramillo and Dilcher 2001
Retipollenites informal afropollinicus
Retipollenites informal finitus
Retipollenites informal fossulatusmejiatus
Retipollenites informal gigantoechinus
Retipollenites informal grandis
Retipollenites spp.
Retitricolpites spp.
Scabratriletes spp.
Lycopodiopsida - Lycopodiales
Retitriletes spp.
unclassified
Exesipollenites tumulus Balme 1957
Verrutriletes informal reticulatus clavatus
Verrutriletes informal reticulatus
Verrutriletes informal scabrosus
Verrutriletes informal verruconstrictus
Verrutriletes spp.
Retimonoletes informal leguminosus
Striatriletes sp. Potonié 1956
Verrumonoletes informal olivicus
nomen nudum belonging to Plantae
Echitriletes informal dispersiechinus
Echitriletes informal minutus
Echitriletes informal nanoechinus
Echitriletes spp.
Lycopsida
Foveotriletes informal titanicus
Foveotriletes spp.
unclassified
Microreticulatisporites informal medioreticulatus
Pteridopsida
Echinatisporis varispinosus Srivastava 1975
Clavatriletes sp. Herbst 1975
Polypodiopsida - Marsileaceae
Crybelosporites informal megasporicus
Polypodiopsida - Gleicheniaceae
Gleicheniidites senonicus Ross 1949
Polypodiopsida - Schizaeales - Schizaeaceae
Klukisporites foveolatus Pocock 1965
Cicatricosisporites informal pseudodorogensis
Cicatricosisporites spp.
Cicatricosisporites sinuosus Hunt 1985
Cicatricosisporites hughesii Dettmann 1963
Cicatricosisporites subrotundus Brenner 1963
Cicatricosisporites hallei Delcourt and Sprumont 1955
Polypodiopsida - Schizaeales
Appendicisporites cf. dentimarginatus Brenner 1963
Appendicisporites erdtmanii Pocock 1964
Polypodiopsida
Verrucosisporites rotundus Singh 1964
Polypodiopsida - Polypodiaceae
Laevigatosporites cf. ovatus Wilson and Webster 1946
Polypodiopsida - Osmundaceae
Baculatisporites comaumensis Potonie 1953
Polypodiopsida - Blechnaceae
Leptolepidites informal sutilis
unclassified
Impardecispora trioreticulosa
Psilatriletes informal twentyfive
Psilatriletes informal morethanfifty
Psilatriletes informal betweentwentyfiveandfifty
Microfoveolatosporis skottsbergii Srivastava 1971
Scabramonocolpites informal circularis
Scabramonocolpites sp. Mathur 1966
Cycadopsida - Gnetales
Steevesipollenites cupuliformis Azema and Boltenhagen 1974
Cycadopsida - Cycadales
Eucommiidites informal minutus
Eucommiidites informal psilatus
unclassified
Cycadopites informal amplus
Concavissimisporites informal irregularis
Concavissimisporites (informal irregularis) kyrtomatus
Concavissimisporites variverrucatus Brenner 1963
Concavissimisporites punctatus Pocock 1964
Ginkgoopsida - Ephedrales
Ephedripites sp. Bolkhovitina and Potonié 1958
Ephedripites multicostatus Brenner 1963
Ephedripites barghoornii Morgan 1978
Equisetosporites informal medius
Equisetosporites informal polaris
Equisetosporites fragilis Lima 1980
Equisetosporites cf. albertensis Singh 1964
Equisetosporites irregularis Herngreen 1973
Equisetosporites cf. leptomatus de Lima 1980
Angiospermae
Retimonocolpites informal acrocollumelatus
Retimonocolpites informal amplocolpatus
Retimonocolpites informal chatocollumelatus
Retimonocolpites informal ellipticus
Retimonocolpites informal monocolpatus
Retimonocolpites spp.
Angiospermae - Gunnerales
Tricolpites informal amplocolpatus
Angiospermae - Chloranthales - Chloranthaceae
Clavatipollenites hughesii Kemp 1968
Angiospermae - Alismatales
Pennipollis reticulatus Friis et al. 2010
Angiospermae
Stellatopollis informal clavatipollinicus
Stellatopollis doylei Ibrahim 2002
Afropollis informal amploreticulatus
Afropollis spp.
Afropollis jardinus Doyle et al. 1982
Coniferales - Podocarpaceae
Callialasporites trilobatus (Balme 1957)
original and current combination Tsugaepollenites trilobatus
Callialasporites dampieri (Balme 1957)
original and current combination Zonallapollenites dampieri
Pinopsida - Pinales - Pinaceae
Pinuspollenites cf. minimus Kemp 1970
Magnoliopsida
Rousea cf. georgensis Dettmann 1973
Rousea cf. miculipollis Srivastava 1975
Psilatricolporites informal innovatus
Retitricolporites informal dissimulatus
Hepaticae
Zlivisporis informal titanicusarruguitas
unclassified
Gabonisporites informal densobaculatus
Gabonisporites informal gruesobaculatus
Gabonisporites vigourouxi
Chomotriletes spp.
Chomotriletes almegrensis Pocock 1962
Perotriletes informal zlivisporinicus
see common names

Geography
Country:Colombia State/province:Huila
Coordinates: 2.6° North, 75.5° West (view map)
Paleocoordinates:1.0° South, 45.3° 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
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:139401
Authorizer:C. Jaramillo Enterer:G. Doria
Research group:paleobotany
Created:2013-02-11 14:38:02 Last modified:2013-02-10 21:38:02
Access level:the public Released:2013-02-11 14:38:02
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]