Turnau, E., 1978.:MareMagnumSpore zonation of uppermost Devonian and Lower Carboniferous deposits of Western Pomeriania (N. Poland).
Rabien, A., 1960.:MareMagnumZur Ostracoden-Stratigraphie an der Devon/Karbon-Grenze im Rheinischen Schiefergebirge.pp. 61-106, 3 pls., 7 tabs., 4 figs., refs. Plain new wrs.Aquila Natural History Books · Pays-Bas7,00 €