MolluscaBase source details
Webb, G. R. (1941). The Michigan Arion circumscriptus colony. The Nautilus. 55(2): 61.
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Webb, G. R.
1941
The Michigan <i>Arion circumscriptus</i> colony
The Nautilus
55(2): 61
Publication
Date
action
by
Arion circumscriptus G. Johnston, 1828 (additional source)