Erdtmanispermum balticum K.R.Pedersen, P.R.Crane et E.M.Friis

Plant Fossil Names Registry Number: PFN001904

Act LSID: urn:lsid:plantfossilnames.org:act:1904

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

Rank: species

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

Reference: Pedersen, K. R., Crane, P. R. & Friis, E. M. (1989): Pollen organs and seeds with Eucommiidites pollen. – Grana 28: 279–294.

Page of description: 286

Illustrations or figures: figs 4–6

Name is type for

Types

Original diagnosis/description

Seeds rounded to weakly triangular in cross section, ovate in longitudinal outline, rounded at the base and gradually tapering into a distinct elongated micropylar tube. Sclerified layer of seed wall consisting of two parts. Outer part composed of one layer of more or less isodiametric stone cells frequently with angular lumina; inner part consisting of 2–3 layers of elongated stone cells 2–3 times longer than broad. Micropylar tube long, narrow and thinly cutinised.

Etymology

From the Baltic Sea in which the island of Bornholm is located.

Stratigraphy

Cretaceous, Lower Cretaceous
late Berriasian-Valanginian
Tornhøj Member, Jydegård Formation

Locality

Denmark
Carl Nielsen A/S sand pit, southeast of Rønne, Bornholm