FIGURE 4 in Unraveling another of the 'Big Fiveʹ: new species and records of Cerithiopsidae from Brazil (Caenogastropoda: Triphoroidea)

FIGURE 4. Cerithiopsis io Dall & Bartsch, 1911. A–B, E–H: shell from Rio de Janeiro state (A–B: MNRJ 61124; E: MZSP 46336; F–H: UERJ 4675); C–D: shells from São Paulo state (MZSP 81013); G–H: body whorl and protoconch of shell in F. Lengths of whole shells: A–B: 2.7 mm; C: 2.7 mm; D: 2.4 mm; E: 1.9 mm; F: 2.0 mm. Scale bars: A–F: 1 mm; G: 500 µm; H: 100 µm. Horizontal line indicates that the two images are from the same shell.