Los Mangos 7-2593'3'' (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 139380: 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
  -
Muerrigerisporites coronispinalis, Angiosperm sp., Baculatriletes sp., Inaperturapollenites ("scabratus") "50um", Spore spp.
Psilatriletes
  -
Psilatriletes "betweentwentyfiveandfifty", Psilatriletes "twentyfive"
Polypodiopsida
  - Polypodiaceae
Laevigatosporites cf. ovatus
Laevigatosporites cf. ovatus Wilson and Webster 1946
  - Blechnaceae
Leptolepidites "sutilis"
Echimonoletes
  -
Echimonoletes spp.
Echimonoletes spp. der Hammen
Echitriletes
  -
Echitriletes "dispersiechinus", Echitriletes spp.
Echitriletes spp. der Hammen
Scabramonocolpites
  -
Scabramonocolpites sp.
Angiospermae
  -
Retimonocolpites "ellipticus"
 Alismatales -
Pennipollis reticulatus
Pennipollis reticulatus Friis et al. 2010
Verrutriletes
  -
Verrutriletes "reticulatus"
Striatriletes
  -
Striatriletes sp.
Striatriletes sp. Potonié 1956
Equisetopsida
 Pinidae - Pinidae
Classopollis cf. intrareticulatus
Asteropollis
  -
Asteropollis "asteripolliformis"
Asteropollis "asteripolliformis" Hedlund and Norris 1968
Psilamonocolpites
  -
Psilamonocolpites sp.
Psilamonocolpites sp. Van der Hammen and Garcia de Mutis 1966
Cycadopsida
 Cycadales -
Eucommiidites "psilatus"
Eucommiidites "psilatus" Erdtman 1948 cycads
Ginkgoopsida
 Ephedrales -
Equisetosporites "medius", Equisetosporites cf. leptomatus