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Ailanthipites diminutus
Discussion
The epithet diminutus refers to the small overall size of the grains.
Taxonomy
Ailanthipites diminutus was named by De Benedetti et al. (2023). Its type specimen is MPEF-PA 608, a microspore, and it is a 3D body fossil. Its type locality is Cañadón del Irupé, which is in a Cretaceous/Paleocene marginal marine siliciclastic/siliciclastic in Argentina.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2023 | Ailanthipites diminutus 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.
†Ailanthipites diminutus De Benedetti et al. 2023
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. De Benedetti et al. 2023 | Pollen grain tricolporate, prolate spheroidal to prolate. Colpi long, extended nearly to the poles, with costae endocolpi, pores lalongate. Exine 1–2 μm thick, semitectate, suprastriateinframicroreticulate. Muri ca. 0.15–0.25 μm wide, longitudinal, subparallel, dichotomous, anastomosed, closely spaced. Lumina <0.3 μm diameter. |
Measurements
No measurements are available
No ecological data are available
Age range: Maastrichtian or 72.20000 to 66.00000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cretaceous - Early/Lower Paleocene | Argentina (Chubut) | Ailanthipites diminutus (type locality: 195707) | |
| Maastrichtian | Argentina (Chubut) | Ailanthipites diminutus (199410) |