Los Mangos 4-3160' (Cretaceous to of Colombia)

Where: Huila, Colombia (2.6° N, 75.5° W: paleocoordinates 1.0° S, 45.4° W)

• coordinate stated in text

When: Ocal Formation, Aptian to Aptian (125.0 - 100.5 Ma)

Environment/lithology: interdistributary bay; lithified shale and lithified, gray sandstone

• 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).
• 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).

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 139388: authorized by Carlos Jaramillo, entered by Gabriela Doria on 11.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Echimonoletes
  -
Equisetopsida
 Pinidae - Pinidae
Schrankipollis
  -
Polypodiopsida
  - Gleicheniaceae
 Schizaeales - Polypodiidae
Cicatricosisporites spp. Potonie and Gelletich 1933
Cicatricosisporites hallei Delcourt and Sprumont 1955
  -
Psilatriletes
  -
Concavissimisporites
  -
Ginkgoopsida
 Ephedrales -
Angiospermae
 Alismatales -
Pennipollis reticulatus Friis et al. 2010
 Coniferales - Podocarpaceae
Callialasporites dampieri Balme 1957 podocarp