Cordaites silesiacus Šimůnek

Plant Fossil Names Registry Number: PFN000401

Act LSID: urn:lsid:plantfossilnames.org:act:401

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: 110

Illustrations or figures: text-fig. 12a–e; pl. 2, figs 3, 4, pl. 5, figs 5, 6, pl. 6

Types

Original diagnosis/description

Amphistomatic, medium broad, lanceolate leaves with dense parallel venation, 1 – 2 thin veins alternate with each thick vein. Cells of both adaxial and abaxial cuticles mostly oblong, stomata of both sides dispersed in rare stomatal rows, polar ends of guard cells of “swallow-tail” shape.

Etymology

From the region of Silesia in which the type specimen was discovered.

Stratigraphy

Carboniferous, Pennsylvanian
Karviná Formation, Upper Suchá Member, roof of 22nd coal seam, VIth floor west, Langsettian (Westphalian A)

Locality

Czech Republic
Karviná, Františka Mine, Upper Silesian Basin