Archamamelis bivalvis P.K.Endress et E.M.Friis
Plant Fossil Names Registry Number: PFN002042
Act LSID: urn:lsid:plantfossilnames.org:act:2042
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 taxon for
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.
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