Traits taxon details
original description
Benthem Jutting, W. S. S. van. (1961). Additional new species and new localities of the family Vertiginidae and the genera <i>Oophana</i> and <i>Opisthostoma</i> from Malaya. <em>Bulletin of the Raffles Museum, Singapore.</em> 26: 34-48. page(s): 46, pl. 14, fig. 12 [details] Available for editors 
basis of record
Maassen, W. J. M. (2001). A preliminary checklist of the non-marine molluscs of West-Malaysia: "a Hand List". <em>De Kreukel, Extra Editie 2001.</em> 1–155. page(s): 33 [details] Available for editors 
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