Fig. 2. Cassids from the Korytnica Basin. A, B. Semicassis miolaevigata Sacco, 1890. A in Traces of cassid snails predation upon the echinoids from the Middle Miocene of Poland

Fig. 2. Cassids from the Korytnica Basin. A, B. Semicassis miolaevigata Sacco, 1890. A. Shell MWG/ZI/32/002 in abapertural (A1) and apertural (A2) views, Korytnica Clays. B. Internal mould MWG/ZI/32/003, Heterostegina Sands. C, D. Cassidaria cingulifera Hoernes and Auinger, 1884. C. Incomplete shell BkK−G476 in latero−apertural view, Korytnica Clays. D. Incomplete shell BkK−G475 in apical view, Korytnica Clays. E. Cypraecassis cypraeiformis (Borson, 1820), shell MWG/ZI/32/001 in abapertural (E1) and apertural (E2) views, Korytnica Clays. Scale bars 1 cm. Photographs A, B, E taken by B. Malinowska, C, D taken by B. Drozd. Specimens BkK−G475−476 were previously illustrated by Bałuk (1995).