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

unclassified
  -
Retipollenites
  -
Retipollenites "finitus" González-Guzmán 1967
Liliopsida
 Alismatales - Alismatidae
Pennipollis reticulatus Friis et al. 2010
Brenneripollis
  -
Brenneripollis sp. Juhász and Goczan 1985
Pinopsida
 Pinales - Cheirolepidiaceae
Ginkgoopsida
 Ephedrales - Ephedraceae
Ephedripites multicostatus Brenner 1963 jointfir
Afropollis jardinus
  -
Afropollis jardinus Doyle et al. 1982
Cycadopsida
 Gnetales -
Equisetosporites "polaris" Daugherty 1941 cycads
Cycadopites
  -
Cycadopites "amplus" Wodehouse 1933
Pteridopsida
  -
 Schizaeales - Schizaeaceae
Cicatricosisporites "pseudodorogensis" Potonie and Gelletich 1933
Cicatricosisporites spp. Potonie and Gelletich 1933
Psilatriletes
  -
Verrucosisporites
  -
Lycopsida
  -
  - Lycopodiaceae
Retitriletes spp. Pierce 1961
Impardecispora
  -
Magnoliopsida
 Magnoliales - Chloranthaceae
Gabonisporites
  -
Verrumonoletes
  -
Verrumonoletes "olivicus" Van der Hammen 1956