Actinocalyx bohrii E.M.Friis

Plant Fossil Names Registry Number: PFN001773


Author: E. M. Friis

Rank: species

Genus: Actinocalyx E.M.Friis

Reference: Friis, E. M. (1985): Actinocalyx gen. nov., sympetalous angiosperm flowers from the Upper Cretaceous of southern Sweden. – Review of Palaeobotany and Palynology 45(3–4): 171–183.

Page of description: 175

Illustrations or figures: fig. 2, pls I–III

Name is type for

Actinocalyx E.M.Friis 1985


Holotype SEM-296(1)
Figures: pl. I, fig. 1

Note: Holotype from the sample GI32107.

Repository not specified.

PFNR note: The number 1 in parenthesis at the end of specimen number was written in lower index in the original paper.

Original diagnosis/description

Bracteoles broadly ovate, about half the length of sepals. Sepals ovate to triangular, slightly longer than corolla; petals partly fused, corolla tube-shaped, corolla lobes about half the length of corolla. Stamens shorter than corolla. Fruit almost spherical, subtended by the persistent, star-shaped calyx. Seed elliptical to obovate, slightly flattened laterally.


In honour of the Danish scientist Niels Bohr on his centenary 7 October 1985.


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


Höganäs AB's quarry at Åsen, 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.