Páll-Gergely, B., Hunyadi, A., Varga, A. & Rowson, B. (2015). Anatomy and taxonomic position of Elma H. Adams, 1866: A high-spired Southeast-Asian genus of Streptaxidae (Gastropoda: Eupulmonata). Folia Malacologica. 23 (2): 155–164.
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Páll-Gergely, B., Hunyadi, A., Varga, A. & Rowson, B.
2015
Anatomy and taxonomic position of <i>Elma</i> H. Adams, 1866: A high-spired Southeast-Asian genus of Streptaxidae (Gastropoda: Eupulmonata)