Preliminary data on lansnails (Gastropoda) in Xom Du village, Xuan Son national park, Phu Tho province

Abstract

By research results on landsnails in Xom Du village, Xuan Son national park, Phu Tho province in 2008-2009, 44 species and subspecies belonging to two subclasses Prosobranchia and Pulmonata has been recorded. In this species composition, there are 36 of species of Pulmonata (81.8%) in 11 families (Trochomorphidae, Ariophantidae, Camaenidae, Clausiliidae, Helicarionidae, Helicidae, Streptaxidae, Subulinidae, Zonnitidae and Pupillidae); and 8 species of Prosobranchia (18.2%) in 3 families (Cyclophoridae, Diplommatinidae and Pupinidae). Almost species are living in jungle forests on limestone mountains and a few in other biotopes. Among them Ariophantidae is the most abundant family, with genus Macrochlamys 7 species.