Ustronia acuminata

Aucune description en français n’est encore disponible.

Ustronia is a genus of land snails with an operculum, terrestrial gastropod mollusks in the subfamily Vianinae of the family Helicinidae. Description (Original description in German) The shell exhibits a broadly to acutely conical shape, comprising 5-9 whorls that gradually increase in size. The delicate sculpture typically consists of fine radial growth lines, although indistinct spiral threads may occasionally be present.

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