Description
The thin, translucent, white shell has a trochiform shape. They are small or very small. Their maximum height is 22 mm. They are usually nacreous. The inner lip has often a tooth-like fold. The outer lip has characteristically one to three concave notches (except in the genus Guttula). The chitinous operculum is multispiral. The rhipidoglossan radula has intermediate characteristics of the former order Archaeogastropoda (by having more than two pairs of marginal teeth) and the former order Mesogastropoda (by having a single pair of lateral teeth).
Read more about this topic: Seguenziidae
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