The genera Costigo Boettger, 1891, and Pupisoma Stoliczka, 1873, are discussed. The southeast Asiatic species of Pupisoma are divided into two groups, mainly according to differences in shell sculpture. Records extending the range of Pupisoma lignicola are given.

Vertiginidae, Southeast Asia, Pulmonata, Pupisoma, Mollusca, Costigo
Basteria

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Nederlandse Malacologische Vereniging

J.J. Vermeulen, & J.G.M. Raven. (1998). A note on the genera Costigo and Pupisoma (Gastropoda, Pulmonata: Vertiginidae). Basteria, 62(5/6), 273–275.