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J.D. TAYLOR, Y.I. KANTOR AND A.V. SYSOEV 





Fig. 19 Wishbone teeth of Turrinae and Cochlespirinae. a. radula of Gemmula deshayesi. Scale bar = 50 urn. b. marginal tooth of Gemmula 

 deshayesi Scale bar = 20 jim. c. marginal tooth of Lophiotoma acuta Scale bar = 10 |xm. d. marginal tooth of Antiplanes sanctiioannis . 

 Scale bar = 20 \im.. 



