MolluscaBase source details
Ancey, C. F. (1888). Description of North American shells. The Conchologists' Exchange. 2(6): 79-80.
349692
Ancey, C. F.
1888
Description of North American shells.
The Conchologists' Exchange
2(6): 79-80
Publication
Helix commutanda Ancey, 1888 accepted as Cryptomastix harfordiana (W. G. Binney, 1886) (original description)