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Spinizonocolpites riochiquensis

Angiospermae - Arecaceae

Taxonomy
Spinizonocolpites riochiquensis was named by Vallati et al. (2020). Its type specimen is UNPSJB-MFP-CV 187 12.5/91 and is a 3D fossil preserving soft parts. Its type locality is White marlstone, Cerro del Hadro, which is in a Maastrichtian fluvial sandstone/conglomerate in the Lago Colhué Huapi Formation of Argentina.

Sister species lacking formal opinion data
S. prominatus, S. prominatus
Entered
by F. Aspromonte (authorized by E. Vlachos) on 2024-03-12

Synonymy list
YearName and author
2020Spinizonocolpites riochiquensis Vallati et al.
2024Spinizonocolpites riochiquensis Pérez Pincheira and Garrido p. 5

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RankNameAuthor
kingdomPlantae
subkingdomViridiplantaeCavalier-Smith 1981
—Streptophyta(Jeffrey 1971)
superphylumEmbryophyta()
—Tracheophyta(Sinnott 1935)
phylumSpermatophyta
RankNameAuthor
classAngiospermae
—Mesangiosperms
—Monocots
familyArecaceaevon Berchtold and Presl 1820
genusSpinizonocolpitesMuller 1968
speciesriochiquensis

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.

†Spinizonocolpites riochiquensis Vallati et al. 2020
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Diagnosis
ReferenceDiagnosis
P. Vallati et al. 2020Spheroidal to sub-spheroidal pollen grains, up to 82.4 μm in diameter. The exine is hyaline and acolumellate. Zonosulcate, with a continuous zonosulcus that can divide the grain into two almost equal parts. The surface presents densely distributed baculate elements.
Measurements
No measurements are available
Diet: "photoautotroph"p
Created: 2011-07-22 00:04:15
Modified: 2011-07-21 09:04:15
Source: p = phylum
Reference: Kiessling 2009

Age range: base of the Maastrichtian to the top of the Early/Lower Paleocene or 72.20000 to 61.66000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Maastrichtian72.2 - 66.0Argentina (Río Negro) Spinizonocolpites riochiquensis (238219)
Late/Upper Maastrichtian72.2 - 66.0Argentina (Chubut) Spinizonocolpites riochiquensis (type locality: 234014)
Maastrichtian72.2 - 66.0Argentina (Chubut) Spinizonocolpites riochiquensis (31653 199410 239890)
Maastrichtian - Early/Lower Paleocene72.2 - 61.66Argentina (Chubut) Spinizonocolpites riochiquensis (195707)
Danian66.0 - 61.66Argentina (Chubut) Spinizonocolpites riochiquensis (239892)