Los Mangos 31-2510' 10'' (Cretaceous of Colombia)

Where: Huila, Colombia (2.6° N, 75.5° W: paleocoordinates 2.9° S, 47.4° W)

• coordinate stated in text

When: Caballos Formation, Albian (113.0 - 100.5 Ma)

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

• The Caballos Formation (highest in the sequence) is predominantly sandy, interbedded with dark gray shales and thin coal laminations interpreted as accumulating in estuarine deposits ( Florez and Carrillo, 1993 ).

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 139357: authorized by Carlos Jaramillo, entered by Gabriela Doria on 11.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Phimopollenites
  -
Liliopsida
 Alismatales - Alismatidae
Pennipollis reticulatus Friis et al. 2010
Psilatricolpites
  -
Psilatricolpites "simplex" Jaramillo and Dilcher 2001
Brenneripollis
  -
Brenneripollis sp. Juhász and Goczan 1985
Brenneripollis "columellatus chiquis" Juhász and Goczan 1985
Pinopsida
 Pinales - Araucariaceae
 Pinales - Cheirolepidiaceae
 Pinales -
Retimonocolpites
  -
Afropollis
  -
Afropollis spp. Doyle et al. 1982
Afropollis jardinus
  -
Afropollis jardinus Doyle et al. 1982
Cycadopsida
 Cycadales -
Eucommiidites "psilatus" Erdtman 1948 cycads
 Gnetales -
Equisetosporites "medius" Daugherty 1941 cycads
Microfoveolatosporis
  -
Pteridopsida
  -
 Schizaeales -
 Schizaeales - Schizaeaceae
Cicatricosisporites hallei Delcourt and Sprumont 1955
Psilatriletes
  -
Microreticulatisporites
  -
Magnoliopsida
 Magnoliales - Chloranthaceae
  -
Rousea cf. georgensis Dettmann 1973
Rousea cf. miculipollis Srivastava 1975
Gabonisporites
  -