Sutcharit, C.; Tongkerd, P.; Shau-Hwai A.T.; Panha, S. (2012). Taxonomic revision of Dyakia janus from peninsular Malaysia (Pulmonata: Dyakiidae), with notes on other sinistrally coiled helicarionids. Raffles Bulletin of Zoology. 60(2): 279–287.
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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