MolluscaBase source details
Yates, L. G. (1891). Helix aspersa in California. The Nautilus. 5(6): 71.
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Yates, L. G.
1891
<i>Helix aspersa</i> in California
The Nautilus
5(6): 71
Publication
Date
action
by
Helix aspersa O. F. Müller, 1774 accepted as Cornu aspersum (O. F. Müller, 1774) (additional source)