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
Equisetopsida | |
Retibrevitricolporites | |
Retibrevitricolporites grandis n. sp. Jaramillo and Dilcher 2001 | |
Psilamonocolpites medius | |
Psilamonocolpites medius Van der Hammen 1954 | |
Monocolpopollenites | |
Monocolpopollenites ovatus n. sp.
Monocolpopollenites ovatus n. sp. Jaramillo and Dilcher 2001 | |
Pteridopsida | |
Echinatisporis brevispinosus n. sp., ? Apiculatasporites cingulatus n. sp.
Echinatisporis brevispinosus n. sp. Jaramillo and Dilcher 2001
? Apiculatasporites cingulatus n. sp. Jaramillo and Dilcher 2001 | |
Polypodiopsida | |
Polypodiisporites echinatus n. sp.
Polypodiisporites echinatus n. sp. Jaramillo and Dilcher 2001 | |
| |
Microfoveolatosporis | |
Microfoveolatosporis skottsbergii Srivastava 1971 | |
Angiospermae | |
Bombacacidites grahamii n. sp., Bombacacidites psilatus n. sp.
Bombacacidites grahamii n. sp. Jaramillo and Dilcher 2001
Bombacacidites psilatus n. sp. Jaramillo and Dilcher 2001 | |
Margocolporites vanwijhei Germeraad et al. 1968 legume
Spirosyncolpites spiralis González-Guzmán 1967 legume | |
Cricotriporites guianensis Leidelmeyer 1966 dogbane
Cricotriporites macroporus n. sp. Jaramillo and Dilcher 2001 dogbane | |
Proxapertites magnus Müller et al. 1987 | |
Longapertites proxapertitoides Van der Hammen and Garcia de Mutis 1966 palm var. orbicularis, reticuloides
| |
Magnoliopsida | |
Ladakhipollenites sp., ? Albertipollenites perforatus, Ulmoideipites krempii, Brevitricolpites microechinatus n. sp., Clavatricolpites densiclavatus n. sp., Siltaria sp., ? Striatopollis tennuistriatus n. sp.
Ladakhipollenites sp. Mathur and Jain 1980
Brevitricolpites microechinatus n. sp. Jaramillo and Dilcher 2001
Clavatricolpites densiclavatus n. sp. Jaramillo and Dilcher 2001
Siltaria sp. Traverse 1955 | |
Psilasyncolporites sp. Leidelmeyer and González 1967 |