FIGURES 1-5 in A New Species Of The Genus Crenilabium (Mollusca, Heterobranchia, Acteonidae) From Brazil

FIGURES 1-5. Crenilabium birmani shells in SEM: 1-3) holotype, 1) frontal view, length = 8.3 mm; 2) spire, frontal-slightly oblique view, scale = 0.5 mm; 3) detail of apex, profile, scale = 0.1 mm; 4-5) MZSP 63163 paratype; 4) detail of spire, frontal-slightly oblique view, scale = 0.5 mm; 5) frontal view, length = 7.6 mm.