MolluscaBase source details
Stern, E. M. & Vander Weit, C. A. (1982). Helix aspersa and Polygyra cereolus, two gastropods introduced into Wisconsin. The Nautilus. 96(4): 129-130.
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Stern, E. M. & Vander Weit, C. A.
1982
<i>Helix aspersa</i> and <i>Polygyra cereolus</i>, two gastropods introduced into Wisconsin
The Nautilus
96(4): 129-130
Publication
Date
action
by
Helix aspersa O. F. Müller, 1774 accepted as Cornu aspersum (O. F. Müller, 1774) (additional source)
Polygyra cereolus (Megerle von Mühlfeld, 1818) (additional source)
Polygyra cereolus (Megerle von Mühlfeld, 1818) (additional source)