FIGURE 4. A, B in The genus Benthofascis (Gastropoda: Conoidea): A revision with descriptions of new species

FIGURE 4. A, B. Radular teeth extracted from Benthofascis biconica (AMS C.468232, shell length of 15.5 mm), photomicrograph (A) and drawing (B) showing internal structures. C, D. Radular teeth extracted from Benthofascis biconica (AMS C.468234, shell length of 15.2 mm), photomicrograph (C) and drawing (D) showing internal structures. E, F. Radular teeth extracted from Benthofascis pseudobiconica (AMS C.373099, shell length of 17.3 mm), photomicrograph (E) and drawing (F) showing internal structures. Scale bar represents 0.1 mm for A–F. G. G. Electron micrographic study of the radular tooth of Benthofascis lozoueti Sysoev & Bouchet, 2001, (MNHN IM200742331, 496 m deep, Norfolk Ridge, 22º50'S, 167º16'E, height 16.4 mm, width 7.0 mm, teeth from the same specimen shown in Fig. 3H). Scale bar dimensions are explained in the figure.