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Psilatricolporites optimus
Taxonomy
Psilatricolporites optimus was named by González-Guzmán (1967). It is considered to be a form taxon. Its type specimen is Slide F-III-7-496 (Catatumbo) Loc: 40.1X120.4 (micr. P0-58), a seed repro (Pollen grain), and it is a 3D fossil preserving soft parts.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Psilatricolporites optimus González-Guzmán p. 37 figs. Plate IX Figs. 3-3b |
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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.
†Psilatricolporites optimus González-Guzmán 1967
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. E. González-Guzmán 1967 | Pollen grain tricolporate, prolate; furrow C α 4, C β 2, C γ 1; pore P α 2c, P β 1, P γ 1; sculpture type psilate. Colummellae clearly visible; tectum perforate. Thickness of exine about 2.5 μ; ectexine thicker than endexine. Diameter of columellae about 1-1.5 μ. |
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| Pollen grain diameter | 1 | 0.058 |
No ecological data are available
Age range: Early/Lower Eocene or 55.80000 to 48.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | Colombia (Norte de Santander) | Psilatricolporites optimus (136756) |