64 



Y.I. KANTOR, A. MEDINSKAYA AND J.D. TAYLOR 



btsi 



cfbt 



Fig. 9 Crassispira (Striospira) xanti Hertlein & Strong, 195 1 . A, longitudinal section of the proboscis and buccal mass (salivary ducts not shown): B, 

 longitudinal section of the proboscis tip. 



sd vga 



sd od 



ire 



Fig. 10 Crassispira (Crassiclava) turricula (Sowerby, 1834). Semidiagrammatic section of the foregut. 



