Plate 6 



Fig. 1. Gibbula musiva Gould. Simon's Bay [Cape of Good Hope]. Lectotype MCZ 



169251. Height 6, width 6 mm. (10 x). 

 Fig. 2. Lacuna neritoides Gould. Chelsea Beach [Massachusetts]. Lectotype MCZ 



169261. Height 7, width 8 mm. (5.5 x). 

 Fig. 3. Fusus tornatus Gould. [Grand] Bank[s] fisheries [off Nova Scotia]. Lectotype 



MCZ 216594. Height 60, width 31 mm. (1.7 x). 

 Fig. 4. Fusus [Trophon] scalariformis Gould. [Grand] Bank[s] fisheries [off Nova Scotia]. 



Lectotype MCZ 216843. Height 31, width 19 mm. (3.6 x). 

 Fig. 5. Fusus modestus Gould. Hakodadi [Hakodate] Bay [Japan], in 10 fathoms. 



Lectotype USNM 1649. Height 20, width 8 mm. (2 x). 



