Regadera UFP 53, Catatumbo, Colombia (Eocene of Colombia)

Where: Colombia (7.7° N, 72.6° W: paleocoordinates 5.2° N, 61.4° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Mirador Formation, Early/Lower Eocene (55.8 - 48.6 Ma)

• 0 level is at the base of the Mirador Fm.

• bed-level stratigraphic resolution

Environment/lithology: fluvial-deltaic; sandstone and mudstone

Size class: microfossils

Preservation: original sporopollenin

Collection methods: bulk, chemical,

Primary reference: C. A. Jaramillo and D. L. Dilcher. 2001. Middle Paleogene palynology of Central Colombia, South America: A study of pollen and spores from tropical latitudes. Palaeontographica Abteilung B 258(4-6):87-213 [E. Kowalski/E. Kowalski/C. Jaramillo]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 29080: authorized by Elizabeth Kowalski, entered by Elizabeth Kowalski on 18.03.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Pteridopsida
  -
? Apiculatasporites cingulatus n. sp., Echinatisporis brevispinosus n. sp.
? Apiculatasporites cingulatus n. sp. Jaramillo and Dilcher 2001
Echinatisporis brevispinosus n. sp. Jaramillo and Dilcher 2001
Microfoveolatosporis
  -
Microfoveolatosporis skottsbergii
Polypodiopsida
 Polypodiales - Polypodiidae
Polypodiisporites echinatus n. sp.
Polypodiisporites echinatus n. sp. Jaramillo and Dilcher 2001
  - Polypodiaceae
Laevigatosporites tibuensis
Laevigatosporites tibuensis Jaramillo and Dilcher 2001
n. comb.
Magnoliopsida
  -
? Albertipollenites perforatus, Brevitricolpites microechinatus n. sp., Siltaria sp., ? Striatopollis tennuistriatus n. sp., Ladakhipollenites sp., Ulmoideipites krempii, Clavatricolpites densiclavatus n. sp.
? Albertipollenites perforatus Jaramillo and Dilcher 2001
n. comb.
Brevitricolpites microechinatus n. sp. Jaramillo and Dilcher 2001
Siltaria sp. Traverse 1955
Ladakhipollenites sp. Mathur and Jain 1980
Clavatricolpites densiclavatus n. sp. Jaramillo and Dilcher 2001
Angiospermae
 Mesangiosperms - Arecaceae
Mauritiidites franciscoi, Longapertites proxapertitoides
Mauritiidites franciscoi van Hoeken-Klinkenberg 1964 palm
var. franciscoi, var. pachyexinatus
Longapertites proxapertitoides Van der Hammen and Garcia de Mutis 1966 palm
var. orbicularis, reticuloides
 Mesangiosperms - Araceae
Proxapertites magnus
Proxapertites magnus Müller et al. 1987
 Gentianales - Apocynaceae
Cricotriporites guianensis, Cricotriporites macroporus n. sp.
Cricotriporites guianensis Leidelmeyer 1966 dogbane
Cricotriporites macroporus n. sp. Jaramillo and Dilcher 2001 dogbane
 Fabales - Fabaceae
Margocolporites vanwijhei, Spirosyncolpites spiralis
Margocolporites vanwijhei Germeraad et al. 1968 legume
Spirosyncolpites spiralis González-Guzmán 1967 legume
 Malvales - Bombacaceae
Bombacacidites grahamii n. sp., Bombacacidites psilatus n. sp.
Bombacacidites grahamii n. sp. Jaramillo and Dilcher 2001
Bombacacidites psilatus n. sp. Jaramillo and Dilcher 2001
Monocolpopollenites
  -
Monocolpopollenites ovatus n. sp.
Monocolpopollenites ovatus n. sp. Jaramillo and Dilcher 2001
Retibrevitricolporites
  -
Retibrevitricolporites grandis n. sp.
Retibrevitricolporites grandis n. sp. Jaramillo and Dilcher 2001
Psilamonocolpites medius
  -
Psilamonocolpites medius
Psilamonocolpites medius Van der Hammen 1954
Equisetopsida
 Pinidae - Pinidae
Cyclusphaera scabrata
Psilasyncolporites
  -
Psilasyncolporites sp.
Psilasyncolporites sp. Leidelmeyer and González 1967