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ANNOTATED CHECKLIST OF THE TERRESTRIAL MOLLUSCS (MOLLUSCA: GASTROPODA) FROM DONG VAN DISTRICT, HA GIANG PROVINCE, VIETNAM

An annotated checklist of the terrestrial molluscs from Dong Van District is presented. The checklist combines data from all material collected from March 2018 to December 2020 and previous studies. The checklist provides an overview of the diversity of the terrestrial molluscs occurring in the Dong Van area. A total of 59 species representing 16 families are documented. Three species (or 5.08%) of these species are endemic to Ha Giang Province. A species recorded for Northern Vietnam and 28 species of the terrestrial molluscs for Ha Giang Province are herein published for the first time. We also briefly discuss the extent of diversity and endemism in the terrestrial molluscs of the Dong Van area.