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Volkheimerites
Taxonomy
Volkheimerites was named by Narváez et al. (2022). It is not extant.
It was assigned to Magnoliophyta by Narváez et al. (2022); and to Angiospermae by De Benedetti et al. (2023).
It was assigned to Magnoliophyta by Narváez et al. (2022); and to Angiospermae by De Benedetti et al. (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2022 | Volkheimerites Narváez et al. |
| 2023 | Volkheimerites De Benedetti et al. |
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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.
G. †Volkheimerites Narváez et al. 2022
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†Volkheimerites labyrinthus Narváez et al. 2022
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. L. Narváez et al. 2022 | Angiosperm pollen, oblate, with circular–subcircular equatorial outline. Grain without defined aperture, presumed distal face with striate ornamentation with coarse muri, straight and rounded, forming a labyrinthine or dichotomous-radiate pattern, extending onto the presumed proximal side around the equator. Exine semitectate, with thick columellae and tectum, columellae irregularly spaced. Ratio of columellae and tectum height ca. 1:1. Wide circular area of thinned exine on the presumed proximal side. Presumed proximal face granulate. |
Measurements
No measurements are available
No ecological data are available
Age range: base of the Maastrichtian to the top of the Early/Lower Paleocene or 72.20000 to 61.66000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Maastrichtian | Argentina (Santa Cruz) | V. labyrinthus (231744) | |
| Maastrichtian | Argentina (Chubut) | V. labyrinthus (199410) | |
| Maastrichtian - Early/Lower Paleocene | Argentina (Chubut) | V. labyrinthus (195707) | |
| Danian | Argentina (Chubut) | V. labyrinthus (241334) |