MolluscaBase source details
Pilsbry, H. A. & Cooke, C. M. (1922). Land shells of Vancouver Island. The Nautilus. 36(2): 37-38.
350101
Pilsbry, H. A. & Cooke, C. M.
1922
Land shells of Vancouver Island.
The Nautilus
36(2): 37-38
Publication
Date
action
by
Polygyra germana vancouverinsulae Pilsbry & C. M. Cooke, 1922 accepted as Cryptomastix germana (A. Gould, 1851) (original description)