Marattiopsis vodrazkae J.Kvaček

Plant Fossil Names Registry Number: PFN000621


Author: J. Kvaček

Rank: species

Reference: Kvaček, J. (2014): Marattiopsis vodrazkae sp. nov. (Marattiaceae) from the Campanian of the Hidden Lake Formation, James Ross Island, Antarctica. – Acta Musei Nationalis Pragae, Series B – Historia Naturalis 70(3–4): 211–218.

Page of description: 212

Illustrations or figures: pl. 1, figs 1–10, pl. 2, figs 1, 2


Holotype AN 491, Czech Geological Survey, Prague, the Czech Republic
Figures: pl. 1, figs 1–3

Note: paratype: AN 493 (pl. 1, fig. 7)

Original diagnosis/description

Isolated pinnules oblong to oblonglanceolate, tapering gradually towards the apex; base with basiscopic auricle and short petiolule; apex acute, pinnule margins varying from undulate, denticulate to dentate, venation simply pinnate, eucamptodromous consisting of one vein order. Lateral veins commonly forking immediately at, or near, the midrib, leaving the midrib at an acute angle. Synangia shortly stalked consisting of two deeply divided valves. Each valve consisting of 5–6 sporangia. Spores in situ monolete, granular to delicately rugate.


After my colleague Radek Vodrážka who intensively collected fossils on James Ross Island in the period 2009-2011.


Cretaceous, Upper Cretaceous, Coniacian
Hidden Lake Formation


A32-2; James Ross Island

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


Use comments to notify PFNR administrators of mistakes or incomplete information relevant to this record.