FIGURE 15A–C in Unraveling another of the 'Big Fiveʹ: new species and records of Cerithiopsidae from Brazil (Caenogastropoda: Triphoroidea)

FIGURE 15A–C. Cerithiopsis perigaudae Cecalupo & Perugia, 2020. Shell from Sergipe state (CZUFS GAS-00095). C: protoconch. FIGURE 15D–G. Cerithiopsis cf. perigaudae. Shell from Rio de Janeiro state (MNRJ 15407). E: body whorl; F: protoconch; G: detail of protoconch. Lengths of whole shells: A–B: 1.7 mm; D: 3.1 mm. Scale bars: A–B, D: 1 mm; C, F–G: 100 µm; E: 200 µm.