FIGURE 7 in Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD55) expedition in southeastern Brazil, with description of a new species of Calliostoma

FIGURE 7. Margaritidae and Solariellidae collected by the MD55 expedition. A–F. Margarites imperialis A–C. MNHN, sta. CB105, spm #1 (H=8.8 mm, D=11.7 mm). A. apertural view. B. apical view. C. umbilical view. D. MNHN, sta. CB105, spm #2 (H=8.6 mm, D=11.2 mm), apertural view. E. MNHN, sta. CB78, juvenile specimen (H=5.5 mm, D=6.6 mm), apertural view. F. MNHN, sta. CB93, juvenile specimen (H=4.3 mm, D=5.2 mm), apertural view. G–L. Bathymophila euspira. G–H. MNHN, sta. DC72 (H=4.0 mm, D=4.1 mm). G. apertural view. H. apical view. I. MNHN, sta. CB77 (D=3.2 mm), umbilical view. J–L. MNHN, sta. DC72 under SEM. J. apertural view. K. apical view. L. detail of apex.