Los Mangos 31-2956'2'' (Cretaceous of Colombia)

Where: Huila, Colombia (2.6° N, 75.5° W: paleocoordinates 1.2° N, 43.5° W)

• coordinate stated in text

When: Alpujarra Formation, Aptian (125.0 - 113.0 Ma)

Environment/lithology: delta plain; lithified sandstone and lithified sandstone

• The Alpujarra Formation (the lowest in the sequence) is mainly sandy and accumulated in floodplains (Ramon and Fajardo, 2004) and tidal-fl ats environments ( Vergara et al., 1995).
• The Alpujarra Formation (the lowest in the sequence) is mainly sandy and accumulated in floodplains (Ramon and Fajardo, 2004) and tidal-flats environments ( Vergara et al., 1995).

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: core, hydrochloric, hydroflouric

Primary reference: 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. Cardenas ]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 139394: authorized by Carlos Jaramillo, entered by Gabriela Doria on 11.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Angiosperm sp., Baculatriletes sp., Inaperturapollenites ("scabratus") "50um", Rugulatriletes "dissimulatus", Spore spp.
Brenneripollis
  -
Brenneripollis sp.
Brenneripollis sp. Juhász and Goczan 1985
Retipollenites
  -
Retipollenites "finitus"
Retipollenites "finitus" González-Guzmán 1967
Equisetopsida
 Pinidae - Pinidae
Classopollis cf. intrareticulatus
Scabratriletes
  -
Scabratriletes spp.
Scabratriletes spp. Van der Hammen
Angiospermae
  -
Afropollis jardinus
Afropollis jardinus Doyle et al. 1982
 Chloranthales - Chloranthaceae
Clavatipollenites hughesii
 Alismatales -
Pennipollis reticulatus
Pennipollis reticulatus Friis et al. 2010
Echitriletes
  -
Echitriletes spp.
Echitriletes spp. der Hammen
Verrutriletes
  -
Verrutriletes "scabrosus", Verrutriletes spp.
Verrutriletes spp. Pierce 1961
Verrumonoletes
  -
Verrumonoletes "olivicus"
Verrumonoletes "olivicus" Van der Hammen 1956
Lycopodiopsida
 Lycopodiales -
Retitriletes spp.
Retitriletes spp. Pierce 1961 clubmoss
Psilatriletes
  -
Psilatriletes "betweentwentyfiveandfifty", Psilatriletes "morethanfifty", Psilatriletes "twentyfive"
Impardecispora
  -
Impardecispora trioreticulosa
Polypodiopsida
  - Polypodiaceae
Laevigatosporites cf. ovatus
Laevigatosporites cf. ovatus Wilson and Webster 1946
  - Blechnaceae
Leptolepidites "sutilis"
  -
Verrucosisporites rotundus
 Schizaeales - Polypodiidae
Cicatricosisporites "pseudodorogensis", Cicatricosisporites spp., Cicatricosisporites subrotundus
Cicatricosisporites "pseudodorogensis" Potonie and Gelletich 1933
Cicatricosisporites spp. Potonie and Gelletich 1933
Echimonoletes
  -
Echimonoletes spp.
Echimonoletes spp. der Hammen
Concavissimisporites
  -
Concavissimisporites ("irregularis") kyrtomatus
Cycadopites
  -
Cycadopites "amplus"
Cycadopites "amplus" Wodehouse 1933
Ginkgoopsida
 Ephedrales -
Equisetosporites "polaris", Ephedripites multicostatus
Gabonisporites
  -
Gabonisporites vigourouxi