A.V. SYSOEV 



Figs 6-13 Radulae (6-9) and opercula (1 0-1 3). 6 - Typhlomangelia maldivica Sysoev, new species, paratype, stn 143, H = 27.8 mm; 7 - Bathytoma 

 (Parabathytoma) oldhami (E. A. Smith, 1899), stn 145, H = 41. mm; 8- fi (P.) regnans MdviW, 1918, stn 34, H = 26.6 mm; 9- B. ( P. ) fissa (von 

 Martens, 1 901 ), stn 1 76, H = 35.3 mm; 10 - Splendrillia zanzibarica Sysoev, new species, holotype; 1 1 - Inquisitor indistinctus Sysoev, new species, 

 paratype, stn 145, H = 27.4 mm; 12, 13-Borsonia (Cordieria) symbiophora Sysoev, new species, paratypes, stn 185, H = 21.8 mm (12) and stn 26, H 

 = 20. 1 mm ( 1 3). Scale-lines 0. 1 mm (6-9) and 1 mm (10-13). 



