Regadera UFP 56, Catatumbo area, 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; mudstone

• Environments range from braided/chute channels to floodplain and overbank deposits.

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 29142: authorized by Elizabeth Kowalski, entered by Elizabeth Kowalski on 24.03.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Monocolpopollenites ovatus n. sp. Jaramillo and Dilcher 2001
Retibrevitricolporites grandis n. sp. Jaramillo and Dilcher 2001
 Pinales - Araucariaceae
Araucariacites sp. Cookson and Couper 1953
Laevigatasporites sp. Potonié and Gelletich 1933
 Arecales - Arecaceae
Mauritiidites franciscoi van Hoeken-Klinkenberg 1964
var. franciscoi, var. minutus
 Arecales -
Longapertites proxapertitoides Van der Hammen and Garcia de Mutis 1966
var. proxapertitoides
 Poales - Poaceae
Monoporopollenites annulatus Jaramillo and Dilcher 2001
n. comb.
Laevigatosporites tibuensis Jaramillo and Dilcher 2001
n. comb.
Apiculatasporites cingulatus n. sp. Jaramillo and Dilcher 2001
Clavatricolpites densiclavatus n. sp. Jaramillo and Dilcher 2001
Striatopollis catatumbus Gonzalez-Guzman 1967
 Gentianales - Apocynaceae
Cricotriporites guianensis Leidelmeyer 1966
 Fabales - Fabaceae
Spirosyncolpites spiralis González-Guzmán 1967
 Myrtales - Onagraceae
Corsinipollenites undulatus Jaramillo and Dilcher 2001
n. comb.
 Santalales - Loranthaceae
Syncolporites marginatus van Hoeken-Klinkenberg 1964
 Proteales - Proteaceae
Echitriporites sp. Van der Hammen 1956
Foveotriporites hammenii González-Guzmán 1967
Retistephanocolporites festivus González-Guzmán 1967