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Periporopollenites delicatus
Discussion
The epithet delicatus refers to the delicate muri of the reticulum.
Taxonomy
Periporopollenites delicatus was named by De Benedetti et al. (2023). Its type specimen is MPEF-PA 460, a microspore, and it is a 3D body fossil. Its type locality is Cerro Bosta (CBO) (Paleobotany), which is in a Maastrichtian marginal marine siltstone in the La Colonia Formation of Argentina.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2023 | Periporopollenites delicatus De Benedetti et al. p. 3 |
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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.
†Periporopollenites delicatus De Benedetti et al. 2023
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. De Benedetti et al. 2023 | Pollen grain pantoporate, outline circular to subcircular. Pores circular, annulate, 6 to 9 or more, ca. 1–4 μm diameter, occasionally operculate. Exine <1 μm thick, two layered, nexine thinner than sexine. Sexine semitectate, simplicolumellate, reticulate; lumina subcircular, polygonal to irregular, ca. 0.5–1.5 μm diameter, muri ca. 0.2–0.3 μm wide and 0.3–0.5 μm high, with supratectal ridges or microechinae. |