Petasina is a genus of air-breathing land snails, terrestrial animal pulmonate gastropod mollusks in the family Hygromiidae (the hairy snails and their allies).
Species This genus contains the following species: Species in genus Petasina. AnimalBase, accessed 5 May 2009. Petasina bakowskii (Polinski, 1924) Petasina bielzi (Bielz, 1860) Petasina edentula (Draparnaud, 1805) Petasina filicina (Pfeiffer, 1841) Petasina leucozona (Pfeiffer, 1828) Petasina lurida (Pfeiffer, 1828) Petasina subtecta (Polinski, 1929) Petasina unidentata (Draparnaud, 1805) - type species
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