Pinalerita UFP 39, Llanos foothills, Colombia: Middle Eocene, Colombia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polypodiopsida - Schizaeales - Schizaeaceae
Cicatricosisporites dorogensis microspore Potonie and Gelletich 1933
7 specimens
Polypodiopsida - Polypodiales
Polypodiisporites aff. specious microspore
32 specimens
Polypodiopsida - Polypodiaceae
Laevigatosporites tibuensis microspore Jaramillo and Dilcher 2001
126 specimens
n. comb.
unclassified
Retitriporites sp. microspore Ramanujam 1966
1 specimen
Verrutricolporites reticulatus n. sp. microspore
3 specimens
Magnoliopsida
? Rhoipites sp. microspore Wodehouse 1933
1 specimen
Rhoipites cienagensis microspore Jaramillo and Dilcher 2001
1 specimen
n. comb.
Rhoipites guianensis microspore Jaramillo and Dilcher 2001
17 specimens
n. comb.
Tetracolporites pachyexinatus n. sp. microspore Jaramillo and Dilcher 2001
2 specimens
Siltaria sp. microspore Traverse 1955
1 specimen
Gemmamonocolpites gemmatus n. sp. microspore Van der Hammen and Garcia 1966
1 specimen
Ladakhipollenites simplex microspore (Jaramillo and Dilcher 2001)
2 specimens
original and current combination Psilatricolpites simplex
Clavatricolpites densiclavatus n. sp. microspore Jaramillo and Dilcher 2001
9 specimens
Angiospermae - Arecaceae
Spinizonocolpites breviechinatus n. sp. microspore Jaramillo and Dilcher 2001
9 specimens
Spinizonocolpites pachyexinatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Mauritiidites franciscoi microspore van Hoeken-Klinkenberg 1964
20 specimens
var. franciscoi, var. minutus and var. pachyexinatus
Longapertites sp. microspore van Hoeken-Klinkenberg 1964
1 specimen
Angiospermae - Araceae
Proxapertites operculatus microspore Van der Hammen 1956
1 specimen
Proxapertites cursus microspore van Hoeken-Klinkenberg 1966
1 specimen
Angiospermae - Poales - Poaceae
Monoporopollenites annulatus microspore (Jaramillo and Dilcher 2001)
1 specimen
original and current combination Monoporites annulatus
n. comb.
Angiospermae - Proteales - Proteaceae
Echitriporites variabilis n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Echitriporites trianguliformis microspore van Hoeken-Klinkenberg 1964
8 specimens
var. orbicularis
Angiospermae - Malpighiales - Malpighiaceae
Perisyncolporites pokornyi microspore Germeraad et al. 1968
1 specimen
Angiospermae - Malvales - Bombacaceae
Bombacacidites fossureticulatus n. sp. microspore Jaramillo and Dilcher 2001
3 specimens
Bombacacidites brevis microspore Dueñas 1980
1 specimen
Bombacacidites nacimientoensis microspore Anderson 1960
1 specimen
Angiospermae - Ericales
Lanagiopollis crassa microspore Frederiksen 1988
34 specimens
unclassified
Retistephanocolpites fossulatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Multiporopollenites pauciporatus n. sp. microspore Jaramillo and Dilcher 2001
9 specimens
Monocolpopollenites ovatus n. sp. microspore Jaramillo and Dilcher 2001
8 specimens
Retistephanoporites minutiporus n. sp. microspore Jaramillo and Dilcher 2001
2 specimens
Retibrevitricolpites triangulatus microspore van Hoeken-Klinkenberg 1966
1 specimen
Retitrescolpites magnus microspore Jaramillo and Dilcher 2001
15 specimens
n. comb.
? Retitrescolpites irregularis microspore Jaramillo and Dilcher 2001
3 specimens
n. comb.
Equisetopsida - Araucariaceae
Cyclusphaera scabrata microspore
1 specimen
unclassified
Tetracolporopollenites transversalis microspore
1 specimen
n. comb.
Polysphaeridium subtile marine palyn Davey and Williams 1966
2 specimens
Dinophyceae - Gonyaulacales - Goniodomaceae
Homotryblium floripes marine palyn
3 specimens
Dinophyceae - Gonyaulacales - Gonyaulacaceae
Achomosphaera sp. marine palyn Evitt 1963
1 specimen
Lingulodinium cf. sicula marine palyn
1 specimen
Dinophyceae - Gonyaulacales - Areoligeraceae
Glaphyrocysta sp. marine palyn Gerlach 1961
2 specimens
unclassified
Retistephanocolporites festivus microspore González-Guzmán 1967
2 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
10 m.y. bin:Cenozoic 2-3
*Period:Early/Lower Tertiary *Epoch:Middle Eocene
Key time interval:Middle Eocene
Age range of interval:47.80000 - 37.71000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Areniscas de el Limbo
Local section:Pinalerita Local bed:702.9
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: sandstone
Secondary lithology: "siliciclastic"
Includes fossils?Y
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:28863
Authorizer:E. Kowalski Enterer:E. Kowalski
Modifier:E. Kowalski Research group:paleobotany
Created:2003-02-26 14:29:47 Last modified:2003-02-26 16:30:02
Access level:the public Released:2003-02-26 14:29:47
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]