Pupilloidea Turton, 1831

Stworzewicz, Ewa & Prisyazhnyuk, Valentin A., 2006, A new species of Miocene terrestrial gastropod Gastrocopta from Poland and the validity of “ Pupa (Vertigo) suevica ”, Acta Palaeontologica Polonica 51 (1), pp. 165-170 : 166

Superfamily Pupilloidea Turton, 1831 Family Chondrinidae Steenberg, 1925 Subfamily Gastrocoptinae Pilsbry, 1916 Genus Gastrocopta Wollaston, 1878

Diagnosis (after Pilsbry 1916).—The shell is rimate or perforate, cylindric or ovate−conic, having angular and parietal lamellae more or less completely united into one biramose, bifid, lobed or sinuous lamella (or rarely the angular lamella is wanting). Columellar lamella present; palatal folds developed (except in B. corticaria ). Lip well expanded.