Where: Norte de Santander, Colombia (9.0° N, 73.0° W: paleocoordinates 6.5° N, 61.7° W)
• coordinate stated in text
• basin-level geographic resolution
When: II pollen zone, Mirador Formation, Early/Lower Eocene (55.8 - 48.6 Ma)
• The base of the Mirador is drawn at the level where the sandstones of the formation rest on the claystones or siltstones of the Los Cuervos. The contact is easily recognized and is, at least locally, unconformable. The Mirador/Los Cuervos contact represents a major change in sedimentation for the region, as it marks the appearance, at higher levels than the Uribante, of abundant, coarse, 'clean' sandstones give way to grey, micaceous, and in part sandy, shales which form the lowermost sediments of the overlying Carbonera Formation.
• bed-level stratigraphic resolution
Environment/lithology: fluvial-deltaic; lithified, massive, fine-grained, coarse, conglomeratic sandstone and lithified, lenticular, brown, argillaceous shale
Size class: microfossils
• Pollen grain
Preservation: soft parts, original sporopollenin
Collection methods: chemical
• From each coal or lignite layer several individual samples were analyzed, or the results of several samples were pooled.
Primary reference: A. E. González-Guzmán. 1967. A palynological study on the upper Los Cuervos and Mirador formations (Lower and middle Eocene; Tibu area, Colombia). 1-68 [C. Jaramillo/A. Cardenas /C. Jaramillo]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 136759: authorized by Carlos Jaramillo, entered by Andrés Cárdenas on 04.12.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Psilatriletes guaduensis | |
Psilatriletes guaduensis Van der Hammen 1954 | |
Polypodiopsida | |
"Psilamonoletes tibui" = Laevigatosporites tibuensis
"Psilamonoletes tibui" = Laevigatosporites tibuensis Jaramillo and Dilcher 2001 | |
Cicatricosisporites dorogensis Potonie and Gelletich 1933 | |
Retitriporites | |
Retitriporites dubiosus González-Guzmán 1967
Retitriporites tilburgii González-Guzmán 1967
Retitriporites federicii González-Guzmán 1967 | |
Psiladiporites | |
Psiladiporites redundantis González-Guzmán 1967 | |
Verrumonoletes usmensoides | |
Verrumonoletes usmensoides Van der Hammen 1956 | |
Angiospermae | |
Retimonocolpites microreticulatus Van der Hammen and Garcia de Mutis 1966 | |
Proxapertites operculatus Van der Hammen 1956 | |
Racemonocolpites facilis, Racemonocolpites romanus, "Retimonocolpites regio" = Arecipites regio, Longapertites fossuloides, Longapertites brasiliensis, Longapertites proxapertitoides, Mauritiidites franciscoi
Racemonocolpites facilis González-Guzmán 1967 palm
Racemonocolpites romanus González-Guzmán 1967 palm
"Retimonocolpites regio" = Arecipites regio Jaramillo and Dilcher 2001 palm
Longapertites fossuloides González-Guzmán 1967 palm
Longapertites brasiliensis González-Guzmán 1967 palm
Longapertites proxapertitoides Van der Hammen and Garcia de Mutis 1966 palm Longapertites proxapertitoides reticulatus
Mauritiidites franciscoi van Hoeken-Klinkenberg 1964 palm | |
Perfotricolpites digitatus González-Guzmán 1967 bindweed | |
Retidiporites agilis González-Guzmán 1967 | |
Spirosyncolpites clavatus González-Guzmán 1967 legume
Spirosyncolpites spiralis González-Guzmán 1967 legume | |
Dicotyledoneae | |
"Jussitriporites undulatus" = Corsinipollenites undulatus
"Jussitriporites undulatus" = Corsinipollenites undulatus Jaramillo and Dilcher 2001 willowherb | |
Heterocolpites paluster González-Guzmán 1967 | |
Ericipites annulatus González-Guzmán 1967 heather | |
Angiospermae | |
Monoporites annuloides González-Guzmán 1967 | |
Magnoliopsida | |
Retitricolporites finitus, Retitricolporites marianis, Retitricolporites saskiae, Retitricolporites equatorialis, Echimonocolpites densus, Gemmatricolpites pulcher, Striatricolporites agustinus, "Retitricolpites florentinus" = Rousea florentina, "Retitricolporites hispidus" = Rhoipites hispidus, Gemmamonocolpites barbatus, Gemmamonocolpites amicus, Psilatricolporites obscurus, "Retitricolporites medius" = Siltaria media, Foveotricolporites marginatus, Foveotricolporites voluminosus, Brevitricolpites variabilis, Foveotriporites hammenii
Retitricolporites finitus González-Guzmán 1967
Retitricolporites marianis González-Guzmán 1967
Retitricolporites saskiae González-Guzmán 1967
Retitricolporites equatorialis González-Guzmán 1967
Echimonocolpites densus González-Guzmán 1967
Gemmatricolpites pulcher González-Guzmán 1967
Striatricolporites agustinus González-Guzmán 1967
"Retitricolpites florentinus" = Rousea florentina Jaramillo and Dilcher 2001
"Retitricolporites hispidus" = Rhoipites hispidus Jaramillo and Dilcher 2001
Gemmamonocolpites barbatus González-Guzmán 1967
Gemmamonocolpites amicus González-Guzmán 1967
Psilatricolporites obscurus González-Guzmán 1967
"Retitricolporites medius" = Siltaria media Jaramillo and Dilcher 2001
Foveotricolporites marginatus González-Guzmán 1967
Foveotricolporites voluminosus González-Guzmán 1967
Brevitricolpites variabilis González-Guzmán 1967
Foveotriporites hammenii González-Guzmán 1967 | |
Scabratricolporites | |
Retisyncolporites aureus | |
Retisyncolporites aureus González-Guzmán 1967 | |
Retitricolporites irregularis | |
"Retitricolporites irregularis" = Retitrescolpites irregularis
"Retitricolporites irregularis" = Retitrescolpites irregularis Jaramillo and Dilcher 2001 | |
Psilatricolpites | |
Psilatricolpites minutus González-Guzmán 1967
Psilatricolpites acerbus González-Guzmán 1967 | |
Retitricolpites | |
Retitricolpites clarensis, Retitricolpites maledictus, Retitricolpites conciliatus, Retitricolpites simplex, Retitricolpites adeptus, Retitricolpites bonus, Retitricolpites constrictus, Retitricolpites minutus, Retitricolpites absolutus, Retitricolpites adultus, Retitricolpites perditus, Retitricolpites antonii
Retitricolpites clarensis González-Guzmán 1967
Retitricolpites maledictus González-Guzmán 1967
Retitricolpites conciliatus González-Guzmán 1967
Retitricolpites simplex González-Guzmán 1967
Retitricolpites adeptus González-Guzmán 1967
Retitricolpites bonus González-Guzmán 1967
Retitricolpites constrictus González-Guzmán 1967
Retitricolpites minutus Kedves 1999
Retitricolpites absolutus Jaramillo and Dilcher 2001
Retitricolpites adultus González-Guzmán 1967
Retitricolpites perditus González-Guzmán 1967
Retitricolpites antonii González-Guzmán 1967 | |
Retibrevitricolpites | |
Retibrevitricolpites catatumbus González-Guzmán 1967 | |
Retibrevitricolpites triangulatus | |
Retibrevitricolpites triangulatus van Hoeken-Klinkenberg 1966 | |
Psilastephanocolpites | |
Psilastephanocolpites verrucosus González-Guzmán 1967
Psilastephanocolpites marginatus González-Guzmán 1967 | |
Scabratriporites | |
Scabratriporites moderatus González-Guzmán 1967
Scabratriporites redundans González-Guzmán 1967 | |
Foveotricolpites | |
Foveotricolpites pomarius Van der Hammen and Garcia de Mutis 1966
Foveotricolpites genuinus González-Guzmán 1967 | |
Psilatricolporites operculatus | |
"Psilatricolporites operculatus" = Ranunculacidites operculatus
"Psilatricolporites operculatus" = Ranunculacidites operculatus Jaramillo and Dilcher 2001 Psilatricolporites operculatus medius and Psilatricolporites operculatus minutus
| |
Retistephanocolpites | |
Retistephanocolpites minutus González-Guzmán 1967
Retistephanocolpites finalis González-Guzmán 1967 | |
Retistephanocolpites angeli | |
Retistephanocolpites angeli Leidelmeyer 1966 | |
Psilamonocolpites medius | |
Psilamonocolpites medius Van der Hammen 1954 | |
Verrutricolpites | |
Verrutricolpites irregularis González-Guzmán 1967 | |
Ginkgoopsida | |
Ephedripites sp. Bolkhovitina and Potonié 1958
Ephedripites vanegensis Van der Hammen and Garcia de Mutis 1966 | |
Longitrichotomocolpites triangularis | |
Longitrichotomocolpites triangularis González-Guzmán 1967 | |
Gemmastephanoporites polymorphus | |
Gemmastephanoporites polymorphus González-Guzmán 1967 | |
Papillamonocolpites splendens | |
Papillamonocolpites splendens González-Guzmán 1967 | |
Clavainaperturites | |
Clavainaperturites ? cordatus González-Guzmán 1967 | |
Classites capucinii | |
Classites capucinii González-Guzmán 1967 | |
Retistephanocolporites | |
Retistephanocolporites festivus González-Guzmán 1967 | |
Magnatriporites abstractus | |
Magnatriporites abstractus González-Guzmán 1967 | |
Echimorphomonocolpites solitarius | |
Echimorphomonocolpites solitarius González-Guzmán 1967 | |
Echimorphomonocolpites gracilis | |
Echimorphomonocolpites gracilis González-Guzmán 1967 | |
Retiheterocolpites tertiarius | |
Retiheterocolpites tertiarius González-Guzmán 1967 | |
Magnaperiporites spinosus | |
Magnaperiporites spinosus González-Guzmán 1967 | |
Polotricolporites mocinnii | |
Polotricolporites mocinnii González-Guzmán 1967 | |
Polotricolporites concretus | |
Polotricolporites concretus González-Guzmán 1967 | |
Semitectotriporites gratus | |
Semitectotriporites gratus González-Guzmán 1967 |