Keywords: Bullacta exarata radula.png en Drawing of one row of the radula of Bullacta exarata C - central tooth L - lateral tooth 1-12 - marginal teeth Annandale T N Gastropoda pages 27-39 In Annandale T N Prashad B 1924 Report on a small collection of molluscs from the Chekiang province of China Proceedings of the Malacological Society of London 16 1 27-49 page 28 http //mollus oxfordjournals org/content/16/1/27 extract abstract Figure 4 Background retouched 1924 Thomas Nelson Annandale 1876-1924 PD-old-70 PD-1996 Bullacta exarata Gastropoda radula Images from Proceedings of the Malacological Society of London |