Dictyozonia pusilla E.M.Friis, P.R.Crane et K.R.Pedersen

Plant Fossil Names Registry Number: PFN000523

Act LSID: urn:lsid:plantfossilnames.org:act:523

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

Rank: species

Genus: Dictyozonia E.M.Friis, P.R.Crane et K.R.Pedersen

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: 221

Illustrations or figures: Text-fig. 44f–k

Name is type for

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


Holotype S105002, Palaeobotanical Collections, Department of Palaeobiology, the Swedish Museum of Natural History, Stockholm, Sweden
Figures: Text-fig. 44f–k

Note: Holotype is from Torres Vedras sample 144.

Original diagnosis/description

Stamen tetrasporangiate. Pollen small, almost circular in equatorial outline, monocolpate. Colpus extending for the full length of the grain. Exine semitectatereticulate in the equatorial region, psilate to psilatepunctate in polar regions. Pollen columellate, reticulum heterobrochate grading into the psilate regions near the poles. Muri smooth with a slightly rounded profile, supported by short, scattered columellae. Colpus margin distinct. Colpus
membrane verrucate.


From Latin: pusillus, very small, referring to the very small size of the pollen grains


Cretaceous, Lower Cretaceous
Lower member of the Almargem Formation; Early Cretaceous (late Barremian-early Aptian)


Torres Vedras (NE of Forte de Forca; 39°06′13″ N, 9°14′47″ W)

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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