Dr. Fűköh Levente szerk.: Malakológiai Tájékoztató 14. (Eger, 1995.)

DÁVID, Á.: Naticid prédation on Late-Oligocene (Egerian) corbulid bivalves collected from three localities of NE - Hungary

Fig. 2. Location of naticid borings on the valves of Corbula basteroti Homes collected from different layers of Wind Brickyard. 1. molluscan clay; 2. silty fine sandstone ("x-layer"); 3. limonitic friable sandstone ("k-layer"); • complete boring; O incomplete boring; X unfinished boring