Institute of Geology and Palaeontology, Charles University in Prague, Faculty of Science, Albertov 6, 128 43 Prague 2, Czech Republic
2
Laboratory of Palaeobiology and Palaeoecology, Institute of Geology of the Czech Academy of Sciences, v.v.i., Rozvojová 269,165 00 Prague 6, Czech Republic
3
Centre of Palaeobiodiversity, West Bohemian Museum in Pilsen, Kopeckého sady 2, Pilsen 301 00, Czech Republic
Sturia amoena (Stur) Němejc is a Pennsylvanian adpression true fern known from the Charbonnière
de Belle et Bonne (Belgium) and from the Radnice and Kladno-Rakovník basins (Czech Republic). This
revision includes a detailed study of pinna and pinnule morphology, aphlebiae and reproductive organs. Interesting
details of sporangia and in situ spores are described for the first time. The sporangia of Sturia amoena have
an equatorial bi-triseriate annulus and yielded in situ spores of the Punctatisporites and Apiculatisporites types.
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