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

Plant Fossil Names Registry Number: PFN001903

Act LSID: urn:lsid:plantfossilnames.org:act:1903

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

Rank: genus

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

Type

Original diagnosis/description

Seeds ovoid to ellipsoid in longitudinal outline, with a distinctly pointed or elongated micropylar projection and rounded to weakly triangular in transverse section. Nucellus weakly cutinised, surrounded by a thin inner integument and a sclerified outer envelope. Megaspore membrane well developed, resistant to maceration, with a distinct granular structure. Pollen grains in micropyle of the Eucommiidites-type

Etymology

In honour of Gunnar Erdtman who first drew attention to the Eucommiidites pollen grains.