Cordaites polynervus Šimůnek

Plant Fossil Names Registry Number: PFN000426


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: 148

Illustrations or figures: text-fig. 39a–f; pl. 43, figs 3–7, pl. 44, figs 1–3


Holotype ZŠ 247, Czech Geological Survey, Prague, the Czech Republic
Figures: text-fig. 39a–f; pl. 43, figs 3–7, pl. 44, figs 1–3

Original diagnosis/description

Relatively narrow, amphistomatic leaves with infrequent venation, 4–6 thin veins alternate with each thick vein. Stomata on adaxial cuticle are dispersed or occur in infrequent incomplete rows. Cells of abaxial cuticle are oblong.


From the Latin word polynervus, meaning ‘multiveined’, as this species has numerous veins.


Carboniferous, Pennsylvanian
Kladno Formation; Radnice Member, Radnice Coals, interbeds of the Main Kladno coal seam, Bolsovian (Westphalian C)


Czech Republic
Tuchlovice, Nosek Mine, Kladno-Rakovník Basin

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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