Fig. 8

Pronephrium stiriacum, fertile and sterile fragments, from Lighidia quarry, Miocene, Bozovici Basin. All from hand specimen LPBUV-0614, University of Bucharest, Department of Geology, Laboratory of Palaeontology. a General view of the hand specimen LPBUV-0614. F1: Fertile fragment, F2-F7: Sterile fragments. Scale bar: 10 mm; b Fertile fragment (F1) and sterile fragment (F4). Scale bar: 1 mm; c Detail of fertile fragment (F1), showing the midrib (M), secondary, tertiary and connecting veins and sori. Scale bar: 1 mm; d Detail of fertile fragment (F1), showing the midrib (M), secondary (sv), tertiary (tv) and connecting veins (cv) and sori (s). Scale bar: 1 mm