Upper Carboniferous Pennsylvanian seed fern: Eusphenopteris obtusiloba (BRONGNIART) E. O. NOVIK
Upper Carboniferous - Pennsylvanian / Westphalian B - Orzeskie beds , ca. 310 myo !
Poland , GZW - Upper Silesia Coal Basin
Matrix dimensions: 8,5 x 6,5 x 1,0 cm
Beautiful specimen of rare Upper Carboniferous Pennsylvanian seed fern:
Eusphenopteris obtusiloba (BRONGNIART) E. O. NOVIK