Serialis grossa E.M.Friis, P.R.Crane et K.R.Pedersen

Plant Fossil Names Registry Number: PFN000131


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

Rank: species

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

Reference: Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019): Extinct Diversity among Early Cretaceous Angiosperms: Mesofossil Evidence of Early Magnoliales from Portugal. – International Journal of Plant Sciences 180(2): 93–127.

Page of description: 110

Illustrations or figures: figs 15, 16


Holotype S175150 (Famalicão 25), Palaeobotanical Collections, Department of Palaeobiology, the Swedish Museum of Natural History, Stockholm, Sweden
Figures: figs 15C, D, 16A–D

Note: Paratypes: S174813, S175193–S175195 (Famalicão sample 25).

Original diagnosis/description

As for the genus with the following additions: Fruit broadly elliptical to circular in lateral view. Surface of fruit smooth. Stigma restricted. Seeds three to four. Mesotesta and endotesta of approximately the same thickness. Mesotesta thin in the contact region between seeds. Mesotesta one cell layer thick; cells cubic with anticlinal walls very thick toward the outside, and thin and undulate toward the inside. Endoreticulate infillings of the endotesta cells dense. Endotesta thick with interspersed cavities (possible oil cells) over most of the seed; endotesta thinner in the contact region between two seeds. Ovular vascular bundle in the endotesta. Testa surrounding micropyle swollen.


From the swollen form of the seeds (Latin grossus [fat, thick]).


Cretaceous, Lower Cretaceous
below the Figueira da Foz Formation; Early Cretaceous (late Aptian–early Albian or older)


Famalicão (lat. 39°42′16″N, long. 8°46′12″W)

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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