Where: Colombia (4.9° N, 73.0° W: paleocoordinates 2.4° N, 64.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Areniscas de el Limbo Formation, Middle Eocene (48.6 - 37.2 Ma)
• bed-level stratigraphic resolution
Environment/lithology: fluvial-deltaic; sandstone and siliciclastic
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 28863: authorized by Elizabeth Kowalski, entered by Elizabeth Kowalski on 26.02.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Equisetopsida | |
Retistephanocolpites | |
Retistephanocolpites fossulatus n. sp. Jaramillo and Dilcher 2001 | |
Retistephanoporites | |
Retistephanoporites minutiporus n. sp. Jaramillo and Dilcher 2001 | |
Monocolpopollenites | |
Monocolpopollenites ovatus n. sp.
Monocolpopollenites ovatus n. sp. Jaramillo and Dilcher 2001 | |
Retitrescolpites | |
| |
Retibrevitricolpites triangulatus | |
Retibrevitricolpites triangulatus van Hoeken-Klinkenberg 1966 | |
Multiporopollenites | |
Multiporopollenites pauciporatus n. sp. Jaramillo and Dilcher 2001 | |
Retitriporites | |
Retitriporites sp. Ramanujam 1966 | |
Verrutricolporites | |
Polypodiopsida | |
Cicatricosisporites dorogensis Potonie and Gelletich 1933 | |
| |
Angiospermae | |
Bombacacidites brevis Dueñas 1980
Bombacacidites fossureticulatus n. sp. Jaramillo and Dilcher 2001
Bombacacidites nacimientoensis Anderson 1960 | |
Perisyncolporites pokornyi Germeraad et al. 1968 | |
Dicotyledoneae | |
Lanagiopollis crassa Frederiksen 1988 | |
Angiospermae | |
Echitriporites variabilis n. sp. Jaramillo and Dilcher 2001 | |
Proxapertites cursus van Hoeken-Klinkenberg 1966
Proxapertites operculatus Van der Hammen 1956 | |
Spinizonocolpites breviechinatus n. sp., Spinizonocolpites pachyexinatus n. sp., Mauritiidites franciscoi, Longapertites sp.
Spinizonocolpites breviechinatus n. sp. Jaramillo and Dilcher 2001 palm
Spinizonocolpites pachyexinatus n. sp. Jaramillo and Dilcher 2001 palm
Mauritiidites franciscoi van Hoeken-Klinkenberg 1964 palm var. franciscoi, var. minutus and var. pachyexinatus
Longapertites sp. van Hoeken-Klinkenberg 1964 palm | |
| |
Magnoliopsida | |
Gemmamonocolpites gemmatus n. sp., Ladakhipollenites simplex, Tetracolporites pachyexinatus n. sp., Clavatricolpites densiclavatus n. sp., Siltaria sp., ? Rhoipites sp., Rhoipites guianensis, Rhoipites cienagensis
Gemmamonocolpites gemmatus n. sp. Van der Hammen and Garcia 1966
Ladakhipollenites simplex Jaramillo and Dilcher 2001
Tetracolporites pachyexinatus n. sp. Jaramillo and Dilcher 2001
Clavatricolpites densiclavatus n. sp. Jaramillo and Dilcher 2001
Siltaria sp. Traverse 1955
? Rhoipites sp. Wodehouse 1933 | |
Dinophyceae | |
Glaphyrocysta sp. Gerlach 1961 | |
Achomosphaera sp. Evitt 1963 | |
Polysphaeridium subtile Davey and Williams 1966 | |
Tetracolporopollenites | |
| |
Retistephanocolporites | |
Retistephanocolporites festivus González-Guzmán 1967 |