Traits taxon details
original description
(of ) Pfeiffer, L. (1864). Descriptions of fifteen new species of land-shells from the collection of Hugh Cuming Esq. <em>Proceedings of the Zoological Society of London.</em> 31(3) (“1863”): 523–526 [April]., available online at https://www.biodiversitylibrary.org/page/30681889 page(s): 523 [details] 
basis of record
Sutcharit, C.; Tongkerd, P.; Shau-Hwai A.T.; Panha, S. (2012). Taxonomic revision of <i>Dyakia janus</i> from peninsular Malaysia (Pulmonata: Dyakiidae), with notes on other sinistrally coiled helicarionids. <em>Raffles Bulletin of Zoology.</em> 60(2): 279–287. [details] Available for editors 
additional source
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): 105 [details] Available for editors 
additional source
Uchida, R.; Yahya, B. E.; Ahmad, A. H.; Sapaat, A.; Tomiyama, K. (2013). Land Snail Fauna of Sabah, Borneo, Malaysia. <em>Venus (Journal of the Malacological Society of Japan).</em> 71 (1–2): 49–59. [details] Available for editors 
|