Zallot, E. et al. 2021. Cochlostoma revised: the subgenus Clessiniella Zallot et al., 2015 (Caenogastropoda, Cochlostomatidae). European Journal of Taxonomy. 762, 1 (Aug. 2021), 49–95. DOI:https://doi.org/10.5852/ejt.2021.762.1453.