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Eusphenopteris Novik: a new component of the Gondwana floras. 20 S., 4 Abb., 6 Taf.; mit: HERNST, R. & LUTZ, A.I.: Rheyoxylon brasiliensis n.sp. (Corystospermaceae, Pteridospermales) from the Upper Triassic Caturrita Formation, Brazil, with comments on biology and environment. 10 S., 5 Abb., 1 Taf.;