Pinalerita UFP 44, Llanos foothills, Colombia: Middle Eocene, Colombia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
? Venezuelites distinctus microspore
1 specimen
Zonocostites minor microspore
1 specimen
Incertae sedis marine palyn
1 specimen
Pteridopsida
Echinatisporis brevispinosus microspore Jaramillo and Dilcher 2001
4 specimens
Kirchheimerisporites tenuiradiatus n. sp. microspore Jaramillo and Dilcher 2001
3 specimens
(1 measurement)
? Polypodiaceoisporites fossulatus n. sp. microspore Jaramillo and Dilcher 2001
2 specimens
Polypodiopsida - Schizaeales - Schizaeaceae
Cicatricosisporites dorogensis microspore Potonie and Gelletich 1933
22 specimens
Cicatricososporites eocenicus microspore Jansonius and Hills 1976
3 specimens
Cicatricososporites decussatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
(1 measurement)
Polypodiopsida - Polypodiales
Polypodiisporites aff. specious microspore
21 specimens
Polypodiopsida - Polypodiaceae
Laevigatosporites tibuensis microspore Jaramillo and Dilcher 2001
39 specimens
n. comb.
unclassified
Tuberositriletes verrucatus n. sp. microspore Jaramillo and Dilcher 2001
2 specimens
Verrutricolporites reticulatus n. sp. microspore
36 specimens
Magnoliopsida
Poloretitricolpites absolutus n. gen., n. sp. microspore (Jaramillo and Dilcher 2001)
1 specimen
original and current combination Retitricolpites absolutus
Rhoipites sp. microspore Wodehouse 1933
2 specimens
Rhoipites hispidus microspore Jaramillo and Dilcher 2001
1 specimen
n. comb.
Rhoipites guianensis microspore Jaramillo and Dilcher 2001
10 specimens
n. comb.
Verrustephanoporites sp. microspore Leidelmeyer 1966
1 specimen
Jandufouria minor n. sp. microspore Jaramillo and Dilcher 2001
4 specimens
Striatricolporites sp. microspore Leidelmeyer 1966
1 specimen
? Echitetracolpites sp. microspore Song 1993
1 specimen
? Echitetracolpites tennuiexinatus n. sp. microspore
1 specimen
Foveotriporites hammenii microspore González-Guzmán 1967
2 specimens
Tetracolporites pachyexinatus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Siltaria sp. microspore Traverse 1955
3 specimens
Striatopollis catatumbus microspore Gonzalez-Guzman 1967
6 specimens
Horniella sp. microspore Traverse 1955
1 specimen
Ladakhipollenites rubinii microspore (Jaramillo and Dilcher 2001)
2 specimens
nomen nudum belonging to Psilatricolpites
n. comb.
Clavatricolpites densiclavatus n. sp. microspore Jaramillo and Dilcher 2001
4 specimens
Angiospermae - Arecaceae
Mauritiidites franciscoi microspore van Hoeken-Klinkenberg 1964
16 specimens
var. minutus, var. franciscoi
Longapertites proxapertitoides microspore Van der Hammen and Garcia de Mutis 1966
3 specimens
var. reticuloides
Angiospermae - Araceae
Proxapertites humbertoides microspore Van der Hammen 1954
2 specimens
Angiospermae - Poales - Poaceae
Monoporopollenites annulatus microspore (Jaramillo and Dilcher 2001)
3 specimens
original and current combination Monoporites annulatus
Angiospermae - Proteales - Proteaceae
Echitriporites sp. microspore Van der Hammen 1956
1 specimen
Echitriporites variabilis n. sp. microspore Jaramillo and Dilcher 2001
4 specimens
Echitriporites trianguliformis microspore van Hoeken-Klinkenberg 1964
4 specimens
var. orbicularis
Angiospermae - Gentianales - Apocynaceae
Cricotriporites elongatoporus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Cricotriporites macroporus n. sp. microspore Jaramillo and Dilcher 2001
1 specimen
Angiospermae - Malpighiales - Malpighiaceae
Perisyncolporites pokornyi microspore Germeraad et al. 1968
13 specimens
Angiospermae - Fabales - Fabaceae
Spirosyncolpites spiralis microspore González-Guzmán 1967
9 specimens
Angiospermae - Malvales - Bombacaceae
Bombacacidites brevis microspore Dueñas 1980
1 specimen
Bombacacidites gonzalezii n. sp. microspore Jaramillo and Dilcher 2001
6 specimens
Bombacacidites nacimientoensis microspore Anderson 1960
1 specimen
Angiospermae - Malvales
Echiperiporites estelae microspore Germeraad et al. 1968
2 specimens
Angiospermae - Ericales
Lanagiopollis crassa microspore Frederiksen 1988
4 specimens
unclassified
Retistephanocolpites fossulatus n. sp. microspore Jaramillo and Dilcher 2001
6 specimens
Monocolpopollenites ovatus n. sp. microspore Jaramillo and Dilcher 2001
7 specimens
Retistephanoporites angelicus microspore González-Guzmán 1967
1 specimen
Retistephanoporites minutiporus n. sp. microspore Jaramillo and Dilcher 2001
5 specimens
Retibrevitricolporites grandis n. sp. microspore Jaramillo and Dilcher 2001
3 specimens
Retitrescolpites magnus microspore Jaramillo and Dilcher 2001
1 specimen
n. comb.
? Retitrescolpites irregularis microspore Jaramillo and Dilcher 2001
2 specimens
n. comb.
Psilamonocolpites medius microspore Van der Hammen 1954
4 specimens
Equisetopsida - Araucariaceae
Cyclusphaera scabrata microspore
6 specimens
unclassified
Tetracolporopollenites maculosus microspore
2 specimens
n. comb.
Polysphaeridium subtile marine palyn Davey and Williams 1966
5 specimens
Retistephanocolporites fossulatus n. sp. microspore
1 specimen
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:San Fernando Local bed:738.3
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: claystone
Secondary lithology: mudstone
Includes fossils?Y
Environment:fluvial-deltaic indet.
Glacial or sequence phase:highstand 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:29074
Authorizer:E. Kowalski Enterer:E. Kowalski
Modifier:E. Kowalski Research group:paleobotany
Created:2003-03-18 13:56:02 Last modified:2003-03-18 15:56:16
Access level:the public Released:2003-03-18 13:56:02
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]