Phialopteris heterophylla (Sternberg ex Göppert, 1836) comb. nov., a rare schizaeaceous fern from the Early Jurassic of Bavaria

Stránky	55-64
DOI	10.2478/if-2018-0005
Klíčová slova	Schizaeaceae, Hettangian, Germany, Lygodium, climbing fern, growth habit
Citace	CITTERT, Johanna H.A. Van Konijnenburg-van, POTT, Christian, KUSTATSCHER, Evelyn, SCHMEISSER, Stefan, DÜTSCH, Günter a BURGH, Johan van der. Phialopteris heterophylla (Sternberg ex Göppert, 1836) comb. nov., a rare schizaeaceous fern from the Early Jurassic of Bavaria. Fossil Imprint / Acta Musei Nationalis Pragae, Series B – Historia Naturalis. Praha: Národní muzeum, 2018, 74(1-2), 55-64. DOI: https://doi.org/10.2478/if-2018-0005. ISSN 2533-4050 (tisk), 2533-4069 (online). Dostupné také z: https://publikace.nm.cz/periodicke-publikace/fiamnpsbhn/74-1-2/phialopteris-heterophylla-sternberg-ex-goppert-1836-comb-nov-a-rare-schizaeaceous-fern-from-the-early-jurassic-of-bavaria

Fossil Imprint / Acta Musei Nationalis Pragae, Series B – Historia Naturalis | 2018/74/1-2

Recently collected material of the monotypic schizaeaceous fern genus Phialopteris is described including for the first time the in situ spores. The complex nomenclatural history of the type species is discussed, resulting in the designation of the new combination Phialopteris heterophylla (sternberg ex göPPert, 1836) comb. nov. as type. This delicate fern has so far only been found in the Hettangian of Bavaria (Germany). Along with a comparison with contemporary schizaeaceous ferns and extant members of Schizaeaceae, and with dispersed spores, the possibility that this fern might have been a climbing fern, similar to some living Lygodium species, is briefly discussed. 

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