MolluscaBase taxon details
original description
(of Epitonium propehexagonum Dall, 1917) Dall, W. H. (1917). Notes on the shells of the genus <i>Epitonium</i> and its allies of the Pacific coast of America. <em>Proceedings of the United States National Museum.</em> 53 (2217): 471-488., available online at https://www.biodiversitylibrary.org/page/7553869 [details]
original description
(of Scalaria hexagona G. B. Sowerby II, 1844) Sowerby, G. B. II. (1844). Monograph of the genus <i>Scalaria</i>. In G. B. Sowerby II (ed.), <i>Thesaurus conchyliorum, or monographs of genera of shells</i>. Vol. 1 (4): 83bis-108bis, pls 32-35. London, privately published. , available online at http://biodiversitylibrary.org/page/11076419 [details]
From other sources
Subgenus (Nitidiscala) [details]
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