Additions to the knowledge of the land snails of Sabah (Malaysia, Borneo), including 48 new species Author Vermeulen, Jaap J. Author Liew, Thor-Seng Author Schilthuizen, Menno text ZooKeys 2015 531 1 139 http://dx.doi.org/10.3897/zookeys.531.6097 journal article http://dx.doi.org/10.3897/zookeys.531.6097 1313-2970-531-1 C845838EC9124BD8AB4E07980F91959E C845838EC9124BD8AB4E07980F91959E Taxon classification Animalia Stylommatophora Punctidae Family PUNCTIDAE Morse Snails. Shell very small, dextral, lenticular or discoid. Sculpture consisting of inconspicuous radial riblets, spiral sculpture subordinate. Aperture without teeth or lamellae, peristome usually thin and not reflected. Umbilicus open, narrow or wide (Family description adapted from Solem 1976 , 1988 ; Vaught 1989 ; Herbert and Kilburn 2004 ). Habitat and distribution. Soil and litter dwellers. Widely distributed in Africa, Europe, Asia, and Australia. Remarks . The family is poorly known and although many genera and species have been described, the true diversity may consist of a smaller number of widespread, regionally variable species.