Perissothallus dekovensis Pšenička et M.Krings

Plant Fossil Names Registry Number: PFN000318

Act LSID: urn:lsid:plantfossilnames.org:act:318

Authors: J. Pšenička & M. Krings

Rank: species

Reference: Pšenička, J. & Krings, M. (2015): First record of the noncalcareous macroalga Perissothallus from shallow-water deposits (Pennsylvanian) in the Kladno-Rakovník Basin, Czech Republic. – Bulletin of Geosciences 91(online)(1): 57–64.

Page of description: 59

Illustrations or figures: figs 3, 4

Types

Original diagnosis/description

Thallus small, sessile, solitary, relatively loosely organized; holdfast prominent, hemispherical; erect branches numerous, extending from entire surface of holdfast; branches cylindrical, usually up to 35 mm long and dichotomizing 5–6 times; branch segments (between two dichotomies) mostly between 3 and 10 mm long; ultimate segments short, often somewhat club-shaped, tips rounded or somewhat tapering.

Etymology

The epithet “dekovensis” refers to the provenance of the material.

Stratigraphy

Carboniferous, Pennsylvanian
Kounov Coals (layer directly below Lower Kounov Coal), Kounov Member, Slaný Formation, lowermost Gzhelian (Stephanian B), Upper Pennsylvanian

Locality

Czech Republic
Abandoned quarry southeast of the village of Děkov (50°10´24.7˝ N; 13°33´19.8˝ E)