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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. |