Thompson, F. G. (1978). Two new land snails of the genus Opisthostoma from Borneo (Prosobranchia, Cyclophoroidea, Diplommatinidae). Proceedings of the Biological Society of Washington. 91(2): 386–391.
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Thompson, F. G.
1978
Two new land snails of the genus <i>Opisthostoma</i> from Borneo (Prosobranchia, Cyclophoroidea, Diplommatinidae)
Proceedings of the Biological Society of Washington