Serialis parva E.M.Friis, P.R.Crane et K.R.Pedersen
Plant Fossil Names Registry Number: PFN000126
Act LSID: urn:lsid:plantfossilnames.org:act:126
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: 99
Illustrations or figures: figs 4, 5
Holotype S174479 (Torres Vedras sample 43), Palaeobotanical Collections, Department of Palaeobiology, the Swedish Museum of Natural History, Stockholm, Sweden
Figures: figs 4A–C, 5A
Note: Paratypes: S174476, S174477, S174478, S174686 (29 specimens), S174991 (18 specimens; Torres Vedras sample 43), S174630, S174634 (Torres Vedras sample 298).
As for the genus with the following additions: Fruit elongate elliptical to ovate in lateral view. Surface of fruit faintly reticulate. Stigma restricted. Seeds two, rarely one. Mesotesta slightly thicker than endotesta. Mesotesta one cell layer thick; cells tall, cubic to palisade shaped; cellwalls unevenly thickened and anticlinal walls undulate; inner surface of anticlinal walls smooth. Endoreticulate infillings of endotesta cells dense. Endotesta without interspersed cavities. Ovular vascular bundle between mesotesta and endotesta. Testa surrounding micropyle not swollen. Outer epidermis of tegmen with slightly elongate, thin-walled cells.
From the small size of the seeds (Latin parvus [small]).
Cretaceous, Lower Cretaceous
lower part of Almargem Formation; Early Cretaceous (late Barremian–early Aptian)
Torres Vedras (NE of Forte de Forca; lat. 39°06′13″N, long. 09°14′47″W)
Plant fossil remain
macro- and meso-fossils-embryophytes except wood
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