MolluscaBase source details
Baker, F. C. (1920). Animal life in loess deposits near Alton, Illinois, with descriptions of two new varieties of land shells from the same deposits. The Nautilus. 34(2): 61-66.
350077
Baker, F. C.
1920
Animal life in loess deposits near Alton, Illinois, with descriptions of two new varieties of land shells from the same deposits.
The Nautilus
34(2): 61-66
Publication
Date
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Polygyra multilineata var. altonensis F. C. Baker, 1920 accepted as Webbhelix multilineata (Say, 1821) (original description)
Polygyra profunda var. pleistocenica F. C. Baker, 1920 accepted as Allogona profunda (Say, 1821) (original description)
Polygyra profunda var. pleistocenica F. C. Baker, 1920 accepted as Allogona profunda (Say, 1821) (original description)
