MolluscaBase source details
Hill, H. R. (1941). New records of introduced land shells in southern California. The Nautilus. 55(1): 31.
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Hill, H. R.
1941
New records of introduced land shells in southern California
The Nautilus
55(1): 31
Publication
Date
action
by
Helix lactea O. F. Müller, 1774 accepted as Otala lactea (O. F. Müller, 1774) (additional source)
Helix nemoralis Linnaeus, 1758 accepted as Cepaea nemoralis (Linnaeus, 1758) (additional source)
Helix nemoralis Linnaeus, 1758 accepted as Cepaea nemoralis (Linnaeus, 1758) (additional source)