Cordaites risutensis Šimůnek

Plant Fossil Names Registry Number: PFN000414

Act LSID: urn:lsid:plantfossilnames.org:act:414

Author: Z. Šimůnek

Rank: species

Reference: Šimůnek, Z. (2007): Genus Cordaites from the Carboniferous and Permian of the Bohemian Massif (Epidermal structure study). – Acta Musei Nationalis Pragae, Series B – Historia Naturalis 62(2006)(3–4): 97–210., link

Page of description: 126

Illustrations or figures: text-figs 26a–e; pl. 21

Types

Original diagnosis/description

Narrow, amphistomatic leaves with dense indistinct venation, and indefinite number of thin veins. Cells of adaxial cuticle tetragonal, stomata in dark bands, cells of abaxial cuticle oblong, stomata in single stomatal rows, polar ends of guard cells swallow tail-shaped, lateral subsidiary cells oval to reniform.

Etymology

From the type locality at Řisuty village.

Stratigraphy

Carboniferous, Pennsylvanian
Slaný Formation; Malesice (Hředle) Member. Stephanian B

Locality

Czech Republic
Řisuty, borehole Ři 24, depth 74.45 m, Kladno-Rakovník Basin