original description(ofTriphora bellula Kosuge, 1961)Kosuge, S. (1961). On the family Triphoridae (Gastropoda) from Amami Islands (1). <em>Venus.</em> 21 (3): 308-316, pl. 19. page(s): 313, pl. 19, fig. 10; textfig. 2 [details] Available for editors [request]