MolluscaBase taxon details
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]
additional source
Hirano, T.; Kameda, Y.; Chiba, S. (2014). Phylogeny of the land snails Bradybaena and Phaeohelix (Pulmonata: Bradybaenidae) in Japan. <em>Journal of Molluscan Studies.</em> 80(2): 177-183., available online at https://doi.org/10.1093/mollus/eyu004 [details]