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Gemmatricolpites subsphaericus
Taxonomy
Gemmatricolpites subsphaericus was named by Archangelsky (1973). It is not extant. It is considered to be a form taxon. Its type specimen is Holotype: p.m. 1007; coord. 27.8/107.8. Stored at Museo de La Plata, Paleobotanical division., a plant debris (Pollen grain). Its type locality is Bajada de Hansen, which is in a Paleocene terrestrial shale in Argentina.
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Gemmatricolpites subsphaericus Archangelsky |
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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.
†Gemmatricolpites subsphaericus Archangelsky 1973
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Archangelsky 1973 | Grano prolado esferoidal a subprolado, de contorno ecuatorial circular. Colpos llegando cerca del polo, de márgenes poco a bastante definidos. Exina compuesta por dos capas fusionadas, no distinguibles claramente, algo más gruesas en los mesocolpios, de hasta 1.8 µ de espesor. Escultura desde verrucosa a gemada con elementos densamente dispuestos hasta los márgenes de los colpos, de diámetros muy variables, hasta 1 µ, de base subcircular a subpoligonal; elementos mayores dispuestos preferentemente en los mesocolpios. |
Measurements
No measurements are available
No ecological data are available
Age range: Danian or 66.00000 to 61.66000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian | Argentina (Chubut) | Gemmatricolpites subsphaericus (136508 151455 151459 152264 167922) | |
| Paleocene | Argentina (Chubut) | Gemmatricolpites subsphaericus (type locality: 136554) |