Cooper, J. G. (1872). On new Californian Pulmonata, etc. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 24: 143-154, pl. 3., available online athttps://www.biodiversitylibrary.org/page/26296902 page(s): 145, pl. 3, figs. B 1-5 [details]
original descriptionCooper, J. G. (1872). On new Californian Pulmonata, etc. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 24: 143-154, pl. 3., available online athttps://www.biodiversitylibrary.org/page/26296902 page(s): 145, pl. 3, figs. B 1-5 [details]
basis of recordWiktor, A. (1987). Milacidae (Gastropoda, Pulmonata) - systematic monograph. Annales Zoologici, 41 (3): 153-319. Warszawa [31 December].[details]