Platydiscus peltatus Schönenb. et E.M.Friis in Schönenberger, Friis, Matthews & Endress

Plant Fossil Names Registry Number: PFN002812


Authors: J. Schönenberger & E. M. Friis

Rank: species

Genus: Platydiscus Schönenb. et E.M.Friis in Schönenberger, Friis, Matthews & Endress

Reference: Schönenberger, J., Friis, E. M., Matthews, M. L. & Endress, P. K. (2001): Cunoniaceae in the Cretaceous of Europe: Evidence from fossil flowers. – Annals of Botany 88(3): 423–437.

Page of description: 435

Illustrations or figures: figs 1–41

Name is type for

Platydiscus Schönenb. et E.M.Friis in Schönenberger, Friis, Matthews & Endress 2001


Holotype S107143, Palaeobotanical Collections, Department of Palaeobiology, the Swedish Museum of Natural History, Stockholm, Sweden
Figures: figs 11, 14, 15, 20, 30, 32

Note: Holotype from sample GI 32116.

Original diagnosis/description

As for the genus with the following additions: calyx valvate; sepals ovate-triangular; corolla imbricate; petals with narrow base, clawed (trullate in young stages), ribbed, petal tips secretory; filaments linear; anther dehiscence introrse; connective with dorsal furrow; exine reticulate with decreasing lumina towards poles and colpi; gynoecium with central canal in symplicate region; carpels with ventral slits; placenta involute-protruding-diffuse; indumentum of multicellular, secretory, peltate trichomes with multiseriate stalk on outer surface of floral base and abaxial sides of sepals and petals; simple, unicellular trichomes on floral base, abaxial side of sepals, nectary, and free parts of carpels; unicellular trichomes with swollen base on adaxial side of petals.


The specific epithet refers to the conspicuous peltate trichomes on the outer surface of the floral base, on the sepals, and on the petals.


Cretaceous, Upper Cretaceous
Fluviatile-lacustrine sequence; Late Santonian–Early Campanian


Höganäs AB quarry at Åsen near Axeltorp, Scania

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


Use comments to notify PFNR administrators of mistakes or incomplete information relevant to this record.