Los Mangos 31-2868'7'' (Cretaceous to of Colombia)

Where: Huila, Colombia (2.6° N, 75.5° W: paleocoordinates 1.0° S, 45.3° 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 139387: 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
  -
Inaperturapollenites ("scabratus") "50um", Spore spp.
Brenneripollis
  -
Brenneripollis sp.
Brenneripollis sp. Juhász and Goczan 1985
Psilatriletes
  -
Psilatriletes "betweentwentyfiveandfifty", Psilatriletes "morethanfifty", Psilatriletes "twentyfive"
Polypodiopsida
 Schizaeales - Polypodiidae
Cicatricosisporites spp.
Cicatricosisporites spp. Potonie and Gelletich 1933
  - Gleicheniaceae
Gleicheniidites senonicus
Scabramonocolpites
  -
Scabramonocolpites "circularis"
Lycopodiopsida
 Lycopodiales -
Retitriletes spp.
Retitriletes spp. Pierce 1961 clubmoss
Chomotriletes
  -
Chomotriletes almegrensis