Regadera UFP 57, 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; siliciclastic sediments

• 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 29143: 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
Psilamonocolpites medius
Psilamonocolpites medius Van der Hammen 1954
? Retitrescolpites irregularis Jaramillo and Dilcher 2001
n. comb.
 Pinales - Araucariaceae
 Arecales - Arecaceae
Mauritiidites franciscoi van Hoeken-Klinkenberg 1964
var. franciscoi, var. minutus
 Poales - Poaceae
Monoporopollenites annulatus Jaramillo and Dilcher 2001
n. comb.
Echinatisporis brevispinosus n. sp. Jaramillo and Dilcher 2001
Laevigatosporites tibuensis Jaramillo and Dilcher 2001
n. comb.
 Polypodiales -
Polypodiisporites echinatus n. sp. Jaramillo and Dilcher 2001
Polypodiisporites aff. inangahuensis Pocknall and Mildenhall 1984
Clavatricolpites densiclavatus n. sp. Jaramillo and Dilcher 2001
Striatopollis catatumbus Gonzalez-Guzman 1967
Siltaria sp. Traverse 1955
Siltaria mariposa Jaramillo and Dilcher 2001
n. comb.
 Saxifragales - Haloragaceae
 Fabales - Fabaceae
Spirosyncolpites spiralis González-Guzmán 1967
 Myrtales - Onagraceae
Corsinipollenites undulatus Jaramillo and Dilcher 2001
n. comb.
 Malvales - Bombacaceae
Bombacacidites soleaformis Müller et al. 1987
Foveotriporites hammenii González-Guzmán 1967
Psilasyncolporites sp. Leidelmeyer and González 1967