Cordaites wartmannii Šimůnek

Plant Fossil Names Registry Number: PFN000425

Act LSID: urn:lsid:plantfossilnames.org:act:425

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: 147

Illustrations or figures: text-figs 38a–h; pl. 3, fig. 15, pl. 41, figs 5, 6, pl. 42, pl. 43, figs 1–2

Types

Original diagnosis/description

Amphistomatic, relatively narrow lanceolate leaves with infrequent venation, thick veins doubled, 2–3 thin veins alternating with each pair of thick veins. Adaxial cuticle with oblong cells, cells of dark stomatal band tetra- to pentagonal, isodiametric, abaxial cuticle with oblong to trapezoidal cells, stomata in stomatiferous bands without defined stomatal rows.

Etymology

From R. Wartmann, who first described similar cuticles.

Stratigraphy

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

Locality

Czech Republic
Libušín, Schoeller (Nejedlý) Mine, Kladno-Rakovník Basin