Traits name details
original description
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 page(s): 440, pl. 4, fig. 8 [details]
additional source
Espinosa, J. & Ortea, J. (1999). Moluscos terrestres del archipiƩlago cubano. <em>Avicennia.</em> suppl. 2: 1-137., available online at https://www.biodiversitylibrary.org/page/44341104 page(s): 13 [details]
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