MolluscaBase name details
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]
source of synonymy
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]