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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Retitricolporites craceus
Taxonomy
Retitricolporites craceus was named by González-Guzmán (1967). It is considered to be a form taxon. Its type specimen is Slide F-III-49-578 (Catatumbo). Loc: 118.2X46.9 (micr. P0-58), a seed repro (Pollen grain), and it is a 3D fossil preserving soft parts.
Synonymy list
Year | Name and author |
---|---|
1967 | Retitricolporites craceus González-Guzmán p. 39 figs. Plate X Figs. 1-1b |
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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.
†Retitricolporites craceus González-Guzmán 1967
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Diagnosis
Reference | Diagnosis | |
---|---|---|
A. E. González-Guzmán 1967 | Pollen grain tricolporate, prolate-subprolate; furrow C α 2, C β 3, C γ 1; pore P α 2, P β 1, P γ 1; sculpture type reticulate. Lumina diminishing towards the furrows. Diameter of lumina < 1 μ. Thickness of exine ± 1 μ; ectexine thicker than endexine. Polar area rather small. |
Measurements
No measurements are available
No ecological data are available
Age range: Middle Eocene or 47.80000 to 37.71000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Middle Eocene | Colombia (Norte de Santander) | Retitricolporites craceus (136828 136918) |