MolluscaBase name details
original description
(of Microcystina st.johni Godwin-Austen, 1891) Godwin-Austen, H. H. (1891). On a collection of land shells made in Borneo by Mr. Everett, with descriptions of supposed new species. Part II. Zotinidae and Helicinidae. <em>Proceedings of the Zoological Society of London.</em> 59 (1): 22-47, pls 2-6. London [June]., available online at https://biodiversitylibrary.org/page/30978207
page(s): 38; note: the original spelling "st. johni" is corrected to "sanctijohni" (ICZN Art. 32.5.2.4) [details]