Anacostia portugallica E.M.Friis, P.R.Crane et K.R.Pedersen

Plant Fossil Names Registry Number: PFN001973


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

Rank: species

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

Reference: Friis, E. M., Crane, P. R. & Pedersen, K. R. (1997): Anacostia, a new basal angiosperm from the Early Cretaceous of North America and Portugal with trichotomocolpate/monocolpate pollen. – Grana 36: 225–244.

Page of description: 235

Illustrations or figures: figs 7, 8


Holotype S105039, Palaeobotanical Collections, Department of Palaeobiology, the Swedish Museum of Natural History, Stockholm, Sweden
Figures: figs 7A, 8A–E

Note: Holotype from sample Portugal 141 Vale de Agua.

Original diagnosis/description

Fruiting units semicircular to obovate in outline, with a straight or slightly convex ventral margin; collapsed cuticle of fruit wall typically forming broad wing-like rim around the seed; epidermal cells of fruit wall, small, weakly papillate or non-papillate. Micropylar area of seed pointed or slightly curved towards the ventral margin. Outer cell layer of seed wall cuboid, with small, angular lumina.


From Portugal (Lat. Portugallia), where the fossils were collected.


Cretaceous, Lower Cretaceous
"Complexos gresosos de Nazaré e de Cós-Juncal" (Barremian or Aptian?)


Vale de Agua

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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