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Nyssapollenites scabratus

Discussion

The epithet scabratus refers to the scabrate surface of the grains.

Taxonomy
Nyssapollenites scabratus was named by De Benedetti et al. (2023). Its type specimen is MPEF-PA 470, 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.

Synonymy list
YearName and author
2023Nyssapollenites scabratus De Benedetti et al. p. 3

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RankNameAuthor
kingdomPlantae
phylumTracheophyta(Sinnott 1935)
—Pteridobiotina
superphylumCycadophytanae
RankNameAuthor
phylumMagnoliophytaCronquist et al.
genusNyssapollenitesThiergart 1937
speciesscabratus

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.

†Nyssapollenites scabratus De Benedetti et al. 2023
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Diagnosis
ReferenceDiagnosis
F. De Benedetti et al. 2023Pollen grain tricolporate, oblate spheroidal to subprolate, amb subcircular to rounded subtriangular, outline subcircular to elliptical in equatorial view. Colpi extended nearly to the poles, with costae endocolpi, pores lalongate. Exine <1 μm thick, two-layered, scabrate, and sparsely punctate.
Measurements
No measurements are available
No ecological data are available

Age range: Maastrichtian or 72.20000 to 66.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Cretaceous - Early/Lower Paleocene100.5 - 61.66Argentina (Chubut) Nyssapollenites scabratus (type locality: 195707)
Maastrichtian72.2 - 66.0Argentina (Chubut) Nyssapollenites scabratus (31653 199410)