Dall, W. H. (1912). Report on landshells collected in Peru in 1911 by the Yale expedition under professor Hiram Bingham, with description of a new subgenus, a new species and new varieties. Smithsonian Miscellaneous Collections. 59(14): 1-12.
348561
Dall, W. H.
1912
Report on landshells collected in Peru in 1911 by the Yale expedition under professor Hiram Bingham, with description of a new subgenus, a new species and new varieties