Uribe UFP 83, Magdalena Valley, Colombia: Middle Eocene, Colombia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Equisetopsida - Araucariaceae
Cyclusphaera scabrata microspore
2 specimens
unclassified
Monocolpopollenites ovatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Psilamonocolpites medius microspore Van der Hammen 1954
1 specimen
Angiospermae - Proteales - Proteaceae
Echitriporites trianguliformis microspore van Hoeken-Klinkenberg 1964
6 specimens
var. orbicularis
Angiospermae - Arecaceae
Longapertites proxapertitoides microspore Van der Hammen and Garcia de Mutis 1966
1 specimen
var. reticuloides
Mauritiidites franciscoi microspore van Hoeken-Klinkenberg 1964
2 specimens
var. franciscoi, var. reticulatus
Angiospermae - Fabales - Fabaceae
Spirosyncolpites spiralis microspore González-Guzmán 1967
3 specimens
Angiospermae - Malvales - Bombacaceae
Bombacacidites brevis microspore Dueñas 1980
2 specimens
Bombacacidites nacimientoensis microspore Anderson 1960
1 specimen
Bombacacidites psilatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Pteridopsida
? Apiculatasporites cingulatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
unclassified
Chomotriletes minor microspore Pocock 1970
5 specimens
Retistephanocolporites festivus microspore González-Guzmán 1967
2 specimens
? Tetracolporopollenites sp. microspore Pflug and Thomson 1953
1 specimen
see common names

Geography
Country:Colombia
Coordinates: 7.3° North, 73.3° West (view map)
Paleocoordinates:4.8° North, 64.8° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Eocene
*Period:Early/Lower Tertiary *Epoch:Middle Eocene
Key time interval:Middle Eocene
Age range of interval:48.60000 - 37.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:La Paz Local bed:500.7
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: 0 level is at the base of the La Paz Fm.
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:fluvial-deltaic indet.
Glacial or sequence phase:lowstand systems tract
Geology comments: Environments range from braided/chute bed-load channels to suspended-load channels.
Taphonomy
Modes of preservation:body,original sporopollenin
Size of fossils:microfossils
Spatial orientation:random
Preservation of anatomical detail:excellent
Collection methods and comments
Collection methods:bulk,chemical,field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:29156
Authorizer:E. Kowalski Enterer:E. Kowalski
Modifier:E. Kowalski Research group:paleobotany
Created:2003-03-24 11:43:21 Last modified:2003-03-24 13:43:36
Access level:the public Released:2003-03-24 11:43:21
Creative Commons license:CC BY
Reference information

Primary reference:

7828. 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]