Subgenus (Helcion) P. D. Montfort, 1810
(5-4-1-1-3-5-2-5-2-0-0-0-0)

laevis T. Pennant
(5-4-1-1-3-5-2-5-2-1)
[=Helcion (Ansates) pellucidus (C. v. Linne, 1758)]
Ref. Abbott & Dance, 1982 p 30