78 



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



Fig. 25 Cheungbeia robusta (Hinds, 1843). A, longitudinal section of the proboscis tip. with a tooth shown at the same scale below; B, longitudinal 

 section of the proboscis base and buccal mass. 



Fig. 26 Radulae of Cheungbeia. a-c, Cheungbeia robusta, a, portion of radula with two rows of teeth, scale bar = 30um b, detail of tooth tip scale bar = 

 lOum c, single tooth, note secondary limb (arrowed) along edge of major limb scale bar = 20um d, Cheungbeia mindanensis single tooth with secondary 

 limb arrowed, scale bar = 25um. 



