Piercipollis E.M.Friis, P.R.Crane et K.R.Pedersen

Plant Fossil Names Registry Number: PFN000477

Act LSID: urn:lsid:plantfossilnames.org:act:477

Authors: E. M. Friis, P. R. Crane & K. R. Pedersen

Rank: genus

Reference: Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019): The Early Cretaceous mesofossil flora of Torres Vedras (NE of Forte da Forca), Portugal: a palaeofloristic analysis of an early angiosperm community. – Fossil Imprint 75(2): 153–257.

Page of description: 215


Piercipollis simplex E.M.Friis, P.R.Crane et K.R.Pedersen

Original diagnosis/description

Pollen small, almost circular in equatorial outline, monocolpate. Colpus extending for the full length of the grains. Exine semitectate-reticulate and columellate. Reticulum coarse, homobrochate with isodiametric, polygonal to rounded lumina. Muri smooth with flattened to slightly rounded profiles, supported by long scattered columellae. Colpus margin distinct, delimited by a continuous border formed by the marginal muri of the reticulum. Reticulum larger than the main body of the pollen grain to which it is only loosely attached.


In honor of the American palynologist Richard L. Pierce in recognition of his important contributions to Cretaceous palynology.

Plant fossil remain

pollen and spores

Names associated with genus

Piercipollis simplex E.M.Friis, P.R.Crane et K.R.Pedersen 2019


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