MolluscaBase source details
Sampson, F. A. (1912). Polygyra albolabris alleni Weth., and other Missouri helices. The Nautilus. 25(11): 130-131.
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Sampson, F. A.
1912
<i>Polygyra albolabris alleni</i> Weth., and other Missouri helices
The Nautilus
25(11): 130-131
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Polygyra albolabris alleni (Wetherby, 1883) accepted as Neohelix alleni alleni (Wetherby, 1883) (basis of record)