Archamamelis bivalvis P.K.Endress et E.M.Friis

Plant Fossil Names Registry Number: PFN002042


Authors: P. K. Endress & E. M. Friis

Rank: species

Genus: Archamamelis P.K.Endress et E.M.Friis

Reference: Endress, P. K. & Friis, E. M. (1991): Archamamelis, hamamelidalean flowers from the Upper Cretaceous of Sweden. – Plant Systematics and Evolution 175(1–2): 101–114., link

Page of description: 112

Illustrations or figures: figs 12–19

Name is type for

Archamamelis P.K.Endress et E.M.Friis 1991


Holotype S100632, Palaeobotanical Collections, Department of Palaeobiology, the Swedish Museum of Natural History, Stockholm, Sweden
Figures: figs 12–19

Note: Holotype from the sample GI32189.

Original diagnosis/description

Petals triangular, their outline imprinted in dorsal stamen surface; anther apex massive and sterile, slightly acute, wedge-shaped, anther valves elongate; pollen with 13–15 μm long polar axis and 10–12 μm aequatorial diameter, reticulum of ectexine coarse, tectal perforations narrow.


Specific epithet derived from latin "bis": twice, and "valva": valve; referring to the anther structure.


Cretaceous, Upper Cretaceous
Lower unit (clay gyttja) (Late Santonian/Early Campanian)


Höganäs AB quarry at Åsen near Axeltorp, Scania

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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