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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Longapertites circulatus
Taxonomy
Longapertites circulatus was named by González-Guzmán (1967). It is considered to be a form taxon. Its type specimen is Slide F-III-9-582 (Catatumbo) Loc: 41.4X112.6 (micr. P0-58), a seed repro (Pollen grain), and it is a 3D fossil preserving soft parts.
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Longapertites circulatus González-Guzmán p. 52 figs. Plate XXIV Figs. 1-1d |
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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.
†Longapertites circulatus González-Guzmán 1967
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. E. González-Guzmán 1967 | Pollen grain with an aperture exceeding half the length of the greatest circumference of the grain; spheroidal; sculpture type reticulate. Diameter of lumina about 3.5 µ; muri simplibaculate. Diameter of columellae about 2 µ, their height about 5 µ. Thickness of exine (incl. of reticulum) about 5.5 µ. Wall semitectate. Ectexine thicker than endexine. |
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| Pollen grain diameter | 1 | 0.078 |
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: Early/Lower Eocene or 56.00000 to 48.07000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | Colombia (Norte de Santander) | Longapertites circulatus (136756) |