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

Show authors, comments, and common names
Retibrevitricolporites
  -
Retibrevitricolporites festivus, Retibrevitricolporites grandis
Retibrevitricolporites grandis Jaramillo and Dilcher 2001
Retitrescolpites
  -
? Retitrescolpites irregularis
? Retitrescolpites irregularis Jaramillo and Dilcher 2001
n. comb.
Psilamonocolpites medius
  -
Psilamonocolpites medius
Psilamonocolpites medius Van der Hammen 1954
Monocolpopollenites
  -
Monocolpopollenites ovatus n. sp.
Monocolpopollenites ovatus n. sp. Jaramillo and Dilcher 2001
Equisetopsida
 Pinidae - Pinidae
Cyclusphaera scabrata
Angiospermae
 Malvales - Bombacaceae
Bombacacidites soleaformis
Bombacacidites soleaformis Müller et al. 1987
 Fabales - Fabaceae
Spirosyncolpites spiralis
Spirosyncolpites spiralis González-Guzmán 1967 legume
 Saxifragales - Haloragaceae
Wilsonipites margocolpatus
 Mesangiosperms - Arecaceae
Mauritiidites franciscoi
Mauritiidites franciscoi van Hoeken-Klinkenberg 1964 palm
var. franciscoi, var. minutus
 Poales - Poaceae
Monoporopollenites annulatus
Monoporopollenites annulatus Jaramillo and Dilcher 2001 grass
n. comb.
Dicotyledoneae
 Myrtales - Onagraceae
Corsinipollenites undulatus
Corsinipollenites undulatus Jaramillo and Dilcher 2001 willowherb
n. comb.
Magnoliopsida
  -
Clavatricolpites densiclavatus n. sp., Siltaria sp., Siltaria mariposa, Foveotriporites hammenii, Striatopollis catatumbus
Clavatricolpites densiclavatus n. sp. Jaramillo and Dilcher 2001
Siltaria sp. Traverse 1955
Siltaria mariposa Jaramillo and Dilcher 2001
n. comb.
Foveotriporites hammenii González-Guzmán 1967
Striatopollis catatumbus Gonzalez-Guzman 1967
Pteridopsida
  -
Echinatisporis brevispinosus n. sp.
Echinatisporis brevispinosus n. sp. Jaramillo and Dilcher 2001
Polypodiopsida
  - Polypodiaceae
Laevigatosporites tibuensis
Laevigatosporites tibuensis Jaramillo and Dilcher 2001
n. comb.
 Polypodiales - Polypodiidae
Polypodiisporites aff. inangahuensis, Polypodiisporites echinatus n. sp.
Polypodiisporites aff. inangahuensis Pocknall and Mildenhall 1984
Polypodiisporites echinatus n. sp. Jaramillo and Dilcher 2001
Tetracolporopollenites
  -
Tetracolporopollenites transversalis
Psilasyncolporites
  -
Psilasyncolporites sp.
Psilasyncolporites sp. Leidelmeyer and González 1967