Melarhaphe neritoides

''Melarhaphe neritoides'', common name : the small periwinkle, is a species of small sea snail, a marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles.

This species was previously known as ''Littorina neritoides''.

''Melarhaphe'' is a monotypic genus, in other words, this is the only species in that genus.