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
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
Polypodiopsida | |
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Polypodiisporites aff. inangahuensis Pocknall and Mildenhall 1984
Polypodiisporites echinatus n. sp. Jaramillo and Dilcher 2001 | |
Pteridopsida | |
Echinatisporis brevispinosus n. sp.
Echinatisporis brevispinosus n. sp. Jaramillo and Dilcher 2001 | |
Angiospermae | |
| |
| |
Wilsonipites margocolpatus water milfoil | |
Spirosyncolpites spiralis González-Guzmán 1967 legume | |
Bombacacidites soleaformis Müller et al. 1987 | |
Dicotyledoneae | |
| |
Magnoliopsida | |
Clavatricolpites densiclavatus n. sp., Siltaria sp., Siltaria mariposa, Striatopollis catatumbus, Foveotriporites hammenii
Clavatricolpites densiclavatus n. sp. Jaramillo and Dilcher 2001
Siltaria sp. Traverse 1955
Striatopollis catatumbus Gonzalez-Guzman 1967
Foveotriporites hammenii González-Guzmán 1967 | |
Equisetopsida | |
Retitrescolpites | |
| |
Retibrevitricolporites | |
Retibrevitricolporites grandis Jaramillo and Dilcher 2001 | |
Monocolpopollenites | |
Monocolpopollenites ovatus n. sp.
Monocolpopollenites ovatus n. sp. Jaramillo and Dilcher 2001 | |
Psilamonocolpites medius | |
Psilamonocolpites medius Van der Hammen 1954 | |
Psilasyncolporites | |
Psilasyncolporites sp. Leidelmeyer and González 1967 | |
Tetracolporopollenites | |