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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Retistephanocolpites minutus
Taxonomy
Retistephanocolpites minutus was named by González-Guzmán (1967). It is considered to be a form taxon. Its type specimen is Slide F-III-15-600 (Catatumbo). Loc: 39.2X113.9 (micr. P0-58), a seed repro (Pollen grain), and it is a 3D fossil preserving soft parts.
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Retistephanocolpites minutus González-Guzmán p. 44 figs. Plate VIII Figs. 4-4c |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Retistephanocolpites minutus González-Guzmán 1967
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. E. González-Guzmán 1967 | Pollen grain stephanocolpate; prolate: furrow C α 2, C β 2-3, C γ 1; sculpture type micro-reticulate (maximum diameter of lumina < 0.5 μ). Furrows provided with a margo. Thickness of exine about 1 μ; ectexine thicker than endexine. Muri simplibaculate and grain probably tektite. Sometimes the grains are tricolpate. Polar area rather small to medium-sized. |
Measurements
No measurements are available
No ecological data are available
Age range: base of the Early/Lower Eocene to the top of the Middle Eocene or 55.80000 to 37.71000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | Colombia (Norte de Santander) | Retistephanocolpites minutus (136756 136759) | |
| Middle Eocene | Colombia (Norte de Santander) | Retistephanocolpites minutus (136828 136918) |