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: I pollen zone, Los Cuervos 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: lagoonal; lithified, gray, silty, carbonaceous shale and lithified, silty, sandy claystone
Size class: microfossils
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 136756: 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 | |
Cicatricosisporites dorogensis Potonie and Gelletich 1933 | |
"Psilamonoletes tibui" = Laevigatosporites tibuensis
"Psilamonoletes tibui" = Laevigatosporites tibuensis Jaramillo and Dilcher 2001 | |
Retitriporites | |
Retitriporites federicii González-Guzmán 1967
Retitriporites dubiosus González-Guzmán 1967
Retitriporites tilburgii González-Guzmán 1967
Retitriporites typicus González-Guzmán 1967 | |
Verrumonoletes usmensoides | |
Verrumonoletes usmensoides Van der Hammen 1956 | |
Psiladiporites | |
Psiladiporites redundantis González-Guzmán 1967 | |
Magnoliopsida | |
"Retitricolporites hispidus" = Rhoipites hispidus, "Retitricolpites florentinus" = Rousea florentina, Echimonocolpites densus, Brevitricolpites variabilis, Foveotricolporites caldensis, Foveotricolporites voluminosus, Foveotriporites hammenii, Psilatricolporites optimus, Psilatricolporites obscurus, Psilatricolporites vanus, "Retitricolporites medius" = Siltaria media, Scabrastephanocolpites vanegensis, Gemmatricolpites pulcher, Gemmamonocolpites amicus, Retitricolporites saskiae, Retitricolporites equatorialis, Retitricolporites marianis, Retitricolporites annaeoides, Retitricolporites profundus, Retitricolporites finitus
"Retitricolporites hispidus" = Rhoipites hispidus Jaramillo and Dilcher 2001
"Retitricolpites florentinus" = Rousea florentina Jaramillo and Dilcher 2001
Echimonocolpites densus González-Guzmán 1967
Brevitricolpites variabilis González-Guzmán 1967
Foveotricolporites caldensis González-Guzmán 1967
Foveotricolporites voluminosus González-Guzmán 1967
Foveotriporites hammenii González-Guzmán 1967
Psilatricolporites optimus González-Guzmán 1967
Psilatricolporites obscurus González-Guzmán 1967
Psilatricolporites vanus González-Guzmán 1967
"Retitricolporites medius" = Siltaria media Jaramillo and Dilcher 2001
Scabrastephanocolpites vanegensis Van der Hammen and Garcia de Mutis 1966
Gemmatricolpites pulcher González-Guzmán 1967
Gemmamonocolpites amicus González-Guzmán 1967
Retitricolporites saskiae González-Guzmán 1967
Retitricolporites equatorialis González-Guzmán 1967
Retitricolporites marianis González-Guzmán 1967
Retitricolporites annaeoides Van der Hammen and Garcia de Mutis 1966
Retitricolporites profundus González-Guzmán 1967
Retitricolporites finitus González-Guzmán 1967 | |
Angiospermae | |
Retimonocolpites microreticulatus Van der Hammen and Garcia de Mutis 1966 | |
Mauritiidites franciscoi, Racemonocolpites facilis, Longapertites circulatus, Longapertites proxapertitoides, "Retimonocolpites regio" = Arecipites regio
Mauritiidites franciscoi van Hoeken-Klinkenberg 1964 palm
Racemonocolpites facilis González-Guzmán 1967 palm
Longapertites circulatus González-Guzmán 1967 palm
Longapertites proxapertitoides Van der Hammen and Garcia de Mutis 1966 palm
"Retimonocolpites regio" = Arecipites regio Jaramillo and Dilcher 2001 palm | |
Proxapertites tertiaria Van der Hammen and Garcia de Mutis 1966
Proxapertites operculatus Van der Hammen 1956 | |
Retidiporites magdalenensis Van der Hammen and Garcia de Mutis 1966 | |
Dicotyledoneae | |
Heterocolpites palaeocenica Van der Hammen and Garcia de Mutis 1966
Heterocolpites paluster González-Guzmán 1967 | |
Ginkgoopsida | |
Ephedripites vanegensis Van der Hammen and Garcia de Mutis 1966 | |
Retistephanocolpites | |
Retistephanocolpites minutus González-Guzmán 1967 | |
Verrutricolpites | |
Verrutricolpites irregularis González-Guzmán 1967 | |
Psilatricolpites | |
Psilatricolpites acerbus González-Guzmán 1967 | |
Foveotricolpites | |
Foveotricolpites pomarius Van der Hammen and Garcia de Mutis 1966 | |
Retitricolpites | |
Retitricolpites adeptus, Retitricolpites bonus, Retitricolpites simplex, Retitricolpites conciliatus, Retitricolpites perditus, Retitricolpites antonii, Retitricolpites absolutus, Retitricolpites adultus
Retitricolpites adeptus González-Guzmán 1967
Retitricolpites bonus González-Guzmán 1967
Retitricolpites simplex González-Guzmán 1967
Retitricolpites conciliatus González-Guzmán 1967
Retitricolpites perditus González-Guzmán 1967
Retitricolpites antonii González-Guzmán 1967
Retitricolpites absolutus Jaramillo and Dilcher 2001
Retitricolpites adultus González-Guzmán 1967 | |
Psilatricolporites operculatus | |
"Psilatricolporites operculatus" = Ranunculacidites operculatus
"Psilatricolporites operculatus" = Ranunculacidites operculatus Jaramillo and Dilcher 2001 Psilatricolporites operculatus medius and Psilatricolporites operculatus minutus
| |
Retibrevitricolpites triangulatus | |
Retibrevitricolpites triangulatus van Hoeken-Klinkenberg 1966 | |
Retibrevitricolpites | |
Retibrevitricolpites catatumbus González-Guzmán 1967 | |
Scabratriporites | |
Scabratriporites moderatus González-Guzmán 1967
Scabratriporites redundans González-Guzmán 1967 | |
Psilamonocolpites medius | |
Psilamonocolpites medius Van der Hammen 1954 | |
Psilasyncolporites parvus | |
Psilasyncolporites parvus González-Guzmán 1967 | |
Semitectotriporites gratus | |
Semitectotriporites gratus González-Guzmán 1967 | |
Pseudostephanocolpites | |
Longitrichotomocolpites triangularis | |
Longitrichotomocolpites triangularis González-Guzmán 1967 | |
Magnotetradites magnus | |
Magnotetradites magnus Van der Hammen and Garcia de Mutis 1966 | |
Echimorphomonocolpites solitarius | |
Echimorphomonocolpites solitarius González-Guzmán 1967 | |
Magnatriporites abstractus | |
Magnatriporites abstractus González-Guzmán 1967 | |
Papillamonocolpites splendens | |
Papillamonocolpites splendens González-Guzmán 1967 | |
Retistephanocolporites | |
Retistephanocolporites festivus González-Guzmán 1967 |