The gastrocoptids of the Fossil Forest of Dunarobba (Central Italy) and a preliminary revision of the European Tertiary nominal species of Albinula and Vertigopsis (Gastropoda Pulmonata: Gastrocoptidae)
Manganelli Giuseppe et Giusti Folco, The gastrocoptids of the Fossil Forest of Dunarobba (Central Italy) and a preliminary revision of the European Tertiary nominal species of Albinula and Vertigopsis (Gastropoda Pulmonata: Gastrocoptidae), Bollettino della Societa paleontologica italiana , 39(1), 2000, pp. 55-82