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van Aartsen, J. J. (1983). Sinoptic tables of Mediterranean and European conchology. Genus Alvania (subgenus Actonia, Thapsiella and Moniziella). Genus Manzonia. tab. XXIII. La Conchiglia. 15 (168-169): 4-5.
van Aartsen, J. J. (1983). Sinoptic tables of Mediterranean and European conchology. Genus Alvania (subgenus Actonia, Thapsiella and Moniziella). Genus Manzonia. tab. XXIII. La Conchiglia. 15 (168-169): 4-5.
