Acanthinula lamellata[2] Spermodea lamellata is a species of small European land snail, a terrestrial gastropod mollusc, or micromollusc, in the family Valloniidae.
The shell has 6 convex whorls which increase gradually in size.
These ribs function as a diffraction grating, giving the yellow shell a silky appearance.
Juveniles are paler with weaker ribs at the lower side, and the umbilicus relatively wider.
This species occurs in areas which include: This minute snail lives in ancient woodland.