HILL, C.R. ET AL. - Qasimia gen. nov., an early Marattia-like fern from the Permian of Saudi Arabia /&/ Gemellithica gen. nov., a fertile pecopterid fern from the Upper Permian of the Middle East /&/ Occurrence of a characteristic Wealden fern (Weichselia reticulata) in the Wasia Formation, central Saudi Arabia.

1985. Scripta Geologica 79; 88 pp. 12 fig. 32 plts. Orig. wrps. covers with minor traces of use only, contents very good.

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