Abstract

Introduction: Biological invasions, from molluscs among others, have been recognized as one of the greatest threats to biodiversity in the world, and when non-native species invade, they can modify the structure of the community and the functioning of ecosystems, in addition to representing a serious socio-economic threat. Objective: Updated general review of the inventory of invasive exotic molluscs occurring in the southern Brazilian state of Santa Catarina/ SC. Methodology: An unprecedented organization of a reference database comprising the total knowledge generated around the topic in just over two decades of systematic regional research. Results and conclusions: Regional total confirmed and registered of 31 taxa/ species of invasive exotic molluscs (five (5) Bivalvia marihnos & 26 continental forms: nine (9) freshwater – five (5) Gastropoda & four (4) Bivalvia – as well as 17 terrestrial/ terrestrial Gastropoda), all verified through the global platform "MolluscaBase", taxonomically included in 29 genera (22 Gastropoda & 7 Bivalvia) and 21 families (15 Gastropoda & 4 Bivalvia), including additional information about their biogeographic distribution known in the territorial space of the State.

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