MolluscaBase taxon details
original description
Ancey, C. F. (1887). Description of new genera or subgenera of Helicidæ. <em>The Conchologists' Exchange.</em> 1(9-10): 53-54 [30 April]; 1(11): 64 [May]; 1(12): 75-76 [28 June]; 2(2):22-23 [August]; 2(3): 38-39 [September]., available online at https://www.biodiversitylibrary.org/page/28528881
page(s): 2(2): 22, 23 [details]
original description
(of Crystallopsis (Cristovala) Clench, 1958) Clench, W. J. (1958). The land and freshwater mollusks of Rennell Island, Solomon Islands. <em>Natural History of Rennell Island, British Solomon Islands.</em> 2 (27): 155-202, 4 plates.
page(s): 188 [details]
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]