FIGURE 8. Echinolittorina mespillum. A in The genus Echinolittorina Habe, 1956 (Gastropoda: Littorinidae) in the western Atlantic Ocean 2184

FIGURE 8. Echinolittorina mespillum. A, head and penis. B–F, penes. G, egg capsule (after D'Asaro 1986). H–J, pallial oviducts. K, L, paraspermatozoa. A, C, H, I, Priory, Jamaica (BMNH 20080974; shell H A = 3.9 mm, C = 3.5 mm, H = 4.7 mm, I = 5.1 mm). B, D, Morant Reef, Jamaica (BMNH 20080973; shell H B = 5.3 mm. D = 5.7 mm). E, Boca Raton Inlet, Palm Beach Co., Florida, USA (ANSP A8181b). F, J–L, Eight-mile Rock, Grand Bahama I., Bahamas (BMNH 20080969; shell H F = 5.8 mm, J = 5.9 mm). G, South Bimini, Bahamas. Shading conventions as in Figure 15.