MolluscaBase source details
Ferriss, J. H. (1907). A new subspecies of Polygyra multilineata. The Nautilus. 21(4): 37-38.
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Ferriss, J. H.
1907
A new subspecies of <i>Polygyra multilineata</i>.
The Nautilus
21(4): 37-38
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Polygyra multilineata var. chadwicki Ferriss, 1907 accepted as Webbhelix chadwicki (Ferriss, 1907) (original description)