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