FIGURE 1 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 1. Calliostoma collected by the MD55 expedition. A–D. Calliostoma caribbechinatum. A. MNHN, sta. DC30, apertural view (H=6.4 mm, D=5.8 mm). B. same, apical view. C. MNHN, from Trindade Island, juvenile specimen, apertural view (H=1.9 mm, D=1.7 mm). D. MNHN, sta. DC43, detail of apex. E–I. Calliostoma gemmosum. E. MNHN, sta. DC83, apertural view (H=11.0 mm, D=10.9 mm). F. same, apical view. G. same, umbilical view. H. MNHN, sta. DC27, juvenile specimen, apertural view (H=3.3 mm, D=3.5 mm). I. MNHN, sta. DC26, detail of apex.