Pinalerita UFP 34, Llanos foothills, COlombia: Middle Eocene, Colombia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Equisetopsida - Araucariaceae
Cyclusphaera scabrata microspore
1 specimen
unclassified
Retibrevitricolporites grandis n. sp. microspore Jaramillo and Dilcher 2001
2 specimens
Retisyncolporites sp. microspore González-Guzmán 1967
1 specimen
Psilamonocolpites medius microspore Van der Hammen 1954
3 specimens
Foveotricolpites sp. microspore Pierce 1961
1 specimen
Verrutricolpites sp. microspore Pierce 1961
1 specimen
Monocolpopollenites ovatus n. sp. microspore Jaramillo and Dilcher 2001
4 specimens
Retitrescolpites baculatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Retitrescolpites magnus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
? Retitrescolpites irregularis microspore Jaramillo and Dilcher 2001
1 specimen
n. comb.
Psilastephanocolporites brevicolpatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Multiporopollenites pauciporatus n. sp. microspore Jaramillo and Dilcher 2001
6 specimens
Striatocolporites sp. microspore Van der Hammen
1 specimen
Tuberositriletes verrucatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
(1 measurement)
Pteridopsida
Echinatisporis brevispinosus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Polypodiopsida - Polypodiales
Polypodiisporites aff. specious microspore
1 specimen
Polypodiopsida - Schizaeales - Schizaeaceae
Cicatricosisporites dorogensis microspore Potonie and Gelletich 1933
12 specimens
species and subs. minor forv. rugulatearis
Polypodiopsida - Polypodiaceae
Laevigatosporites tibuensis microspore Jaramillo and Dilcher 2001
22 specimens
n. comb.
Angiospermae - Malvales - Bombacaceae
Bombacacidites nacimientoensis microspore Anderson 1960
1 specimen
Angiospermae - Malpighiales - Malpighiaceae
Perisyncolporites pokornyi microspore Germeraad et al. 1968
6 specimens
Angiospermae - Fabales - Fabaceae
Spirosyncolpites spiralis microspore González-Guzmán 1967
3 specimens
Angiospermae - Ericales
Lanagiopollis crassa microspore Frederiksen 1988
31 specimens
Angiospermae - Myrtales - Onagraceae
Corsinipollenites undulatus microspore Jaramillo and Dilcher 2001
1 specimen
Angiospermae - Gunnerales
Tricolpites clarensis microspore
1 specimen
n. comb.
Angiospermae - Proteales - Proteaceae
Propylipollis pseudocostatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Echitriporites variabilis n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Echitriporites trianguliformis microspore van Hoeken-Klinkenberg 1964
6 specimens
var. orbicularis
Angiospermae - Araceae
Proxapertites humbertoides microspore Van der Hammen 1954
1 specimen
Proxapertites psilatus microspore Sarmiento 1992
1 specimen
Proxapertites operculatus microspore Van der Hammen 1956
1 specimen
Angiospermae - Arecaceae
Racemonocolpites facilis microspore González-Guzmán 1967
1 specimen
Spinizonocolpites grandis n. sp. microspore Jaramillo and Dilcher 2001
20 specimens
Mauritiidites franciscoi microspore van Hoeken-Klinkenberg 1964
10 specimens
var. franciscoi and var. minutus
Angiospermae - Poales - Poaceae
Monoporopollenites annulatus microspore (Jaramillo and Dilcher 2001)
1 specimen
original and current combination Monoporites annulatus
n. comb.
Magnoliopsida
Foveotriporites hammenii microspore González-Guzmán 1967
12 specimens
Clavatricolpites densiclavatus microspore Jaramillo and Dilcher 2001
3 specimens
Rhoipites cienagensis n. sp. microspore Jaramillo and Dilcher 2001
3 specimens
n. comb.
Foveotricolporites sp. microspore Pierce 1961
1 specimen
Foveotricolporites rugulatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Striatopollis catatumbus microspore Gonzalez-Guzman 1967
2 specimens
Dinophyceae
Spiniferites sp. marine palyn Mantell 1850
7 specimens
Dinophyceae - Gonyaulacales - Gonyaulacaceae
Nematosphaeropsis sp. marine palyn Deflandre and Cookson 1955
3 specimens
Cordosphaeridium inodes marine palyn Sarjeant 1981
30 specimens
Achomosphaera sp. marine palyn Evitt 1963
6 specimens
unclassified
Polysphaeridium subtile marine palyn Davey and Williams 1966
52 specimens
see common names

Geography
Country:Colombia
Coordinates: 4.9° North, 73.0° West (view map)
Paleocoordinates:2.4° North, 64.5° 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:Areniscas de el Limbo
Local section:Pinalerita Local bed:660.6
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: "siliciclastic"
Includes fossils?Y
Environment:fluvial-deltaic indet.
Glacial or sequence phase:transgressive systems tract
Geology comments: Environments range from bed-load channels to bay-head estuarine deltas.
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:28775
Authorizer:E. Kowalski Enterer:E. Kowalski
Modifier:E. Kowalski Research group:paleobotany
Created:2003-02-24 14:22:23 Last modified:2003-02-24 16:22:36
Access level:the public Released:2003-02-24 14:22:23
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]