Land snails and slugs of Bau limestone hills, Sarawak (Malaysia, Borneo), with the descriptions of 13 new species

Mohammad Effendi Bin Marzuki; Thor-Seng Liew; Jayasilan Mohd-Azlan

doi:10.3897/zookeys.1035.60843

Land snails and slugs of Bau limestone hills, Sarawak (Malaysia, Borneo), with the descriptions of 13 new species

Zookeys. 2021 Apr 27:1035:1-113. doi: 10.3897/zookeys.1035.60843. eCollection 2021.

Authors

Mohammad Effendi Bin Marzuki^{1

2}, Thor-Seng Liew², Jayasilan Mohd-Azlan¹

Affiliations

¹ Institute of Biodiversity and Environmental Conservation, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia Universiti Malaysia Sarawak Kota Samarahan Malaysia.
² Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88450, Kota Kinabalu, Sabah, Malaysia Universiti Malaysia Sabah Kota Kinabalu Malaysia.

Abstract

This study presents a list of land snails and slugs found on limestone hills in the District of Bau, the state of Sarawak in Malaysian Borneo. Systematic and random sampling for land snails was conducted at eight limestone outcrops, namely, Gunung Stulang, Padang Pan, Gunung Kapor, Gunung Lobang Angin, Gunung Doya, Gunung Batu, Bukit Sekunyit and Gunung Sebayat. A total of 122 land snail species was documented with photographs of each species. Of the 122 species collected, 13 are new to science, namely, Acmella bauensis sp. nov., Japonia bauensis sp. nov., Plectostoma margaretchanae sp. nov., Microcystina arabii sp. nov., Microcystina atoni sp. nov., Microcystina paripari sp. nov., Microcystina lirata sp. nov., Microcystina oswaldbrakeni sp. nov., Microcystina kilat sp. nov., Philalanka jambusanensis sp. nov., Everettia microrhytida sp. nov., Everettia minuta sp. nov., and Paralaoma sarawakensis sp. nov.

Keywords: Endemism; Karst ecosystem; Peninsular Malaysia; Sabah; species diversity; tropical rain forest.

Mohammad Effendi bin Marzuki, Thor-Seng Liew, Jayasilan Mohd-Azlan.