Threatened freshwater and terrestrial molluscs (Mollusca, Gastropoda et Bivalvia) of Santa Catarina State, Southern Brazil: check list and evaluation of regional threats

A total of nineteen continental native mollusc species are confirmed for the Santa Catarina State (SC)(organized in ten Genera and seven Families), one aquatic Prosobranchia/Caenogastropoda (Ampullariidae),six Pulmonata terrestrial gastropods (one Ellobiidae, three Megalobulimidae and two micro-snails –Charopidae and Streptaxidae) and twelve freshwater mussels (eight Mycetopodidae and four Hyriidae). Thesespecies are designated by the International Union for Conservation of the Nature – IUCN as follows: seven as"Vulnerable", six "In Danger" and six “Without Category Established”. The general regional threats that thesespecies are subjected to are briefly analyzed.