Baker, F. C. (1942). A new Gyraulus from the Pleistocene of California and a new Parapholyx from a supposed Pliocene deposit in Oregon. The Nautilus. 55(4): 130-132, pl. 8, figs. 17-19.
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Baker, F. C.
1942
A new <em>Gyraulus</em> from the Pleistocene of California and a new <em>Parapholyx</em> from a supposed Pliocene deposit in Oregon