FIGURE 5 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 5. Calliostomatidae and Colloniidae collected by the MD55 expedition, and specimens from Northeast Brazil. A–C. Falsimargarita terespira MNHN, sta. CB103 (H=10.5 mm, D=10.7 mm). A. apertural view. B. apical view. C. umbilical view. D–J. Homalopoma linnei. D–F. MNHN, sta. DC73 spm #1 (H=5.5 mm, D=4.7 mm). D. apertural view. E. apical view. F. umbilical view. G–I. MNHN, sta DC73 spm #2 (H=4.8, D=5.4 mm), under SEM. G. apical view. H. detail of apex. I–J. operculum of specimen from Canopus Bank, off Northeast Brazil, MZSP 70295. I. inner side (L=1.5 mm), J. outer side. K–N. Homalopoma boffii, specimen from Canopus Bank, off Northeast Brazil, MZSP 93535. K–L. operculum (L=1.2 mm). K. inner side. L. outer side. M. detail of apex under SEM, N. apertural view (H=7.3 mm, D=7.8 mm).