A checklist of land snails from the west coast islands of Sabah, Borneo (Mollusca, Gastropoda) Author Phung, Chee-Chean Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia cheecheanphung@gmail.com Author Yu, Fred Tuh Yit Sabah Parks, Blok K, Lot 1 - 3, Tkt 1, Sinsuran, Peti Surat 10626, 88806 Kota Kinabalu Sabah, Malaysia Author Liew, Thor-Seng Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia & Small Island Research Centre, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia text ZooKeys 2017 2017-05-12 673 49 104 http://dx.doi.org/10.3897/zookeys.673.12422 journal article http://dx.doi.org/10.3897/zookeys.673.12422 1313-2970-673-49 567A576D1D154C27A4D6AFBA5C7C796B FE0BFF96311AFFB0FF83FFA0FF8B7611 582239 Ditropopsis koperbergi (Zilch, 1955) Figure 4B Type locality. "Indonesia: Kalimantan: Landak" (Zilch, 1955) Examined materials. Pulau Gaya : BOR/MOL 8455, BOR/MOL 8446. Distribution in Sabah. Island : [West] Pulau Gaya. Mainland : Interior Division, West Coast Division and Sandakan Division. Remarks. Endemic to Borneo.