MolluscaBase taxon details
basis of record
Clench, W. J. & Jacobson, M. K. (1971). A monograph of the genera <i>Calidviana</i>, <i>Ustronia</i>, <i>Troschelviana</i>, and <i>Semitrochatella</i> (Mollusca: Archaeogastropoda: Helicinidae) in Cuba. <em>Bulletin of the Museum of Comparative Zoology.</em> 141(7): 403-463., available online at https://biodiversitylibrary.org/page/4753589 [details]
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