Thompson, F. G. & Dance, S. P. (1983). Non-marine mollusks of Borneo. II Pulmonata: Pupillidae, Clausiliidae. III Prosobranchia: Hydrocenidae, Helicinidae. Bulletin of the Florida State Museum Biological Science. 29 (3): 101-152. Gainesville.
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Thompson, F. G. & Dance, S. P.
1983
Non-marine mollusks of Borneo. II Pulmonata: Pupillidae, Clausiliidae. III Prosobranchia: Hydrocenidae, Helicinidae.
Bulletin of the Florida State Museum Biological Science