MolluscaBase source details
Vanatta, E. G. (1916). Bifidaria clementina oldroydae, n. var. The Nautilus. 30(4): 48.
350045
Vanatta, E. G.
1916
<i>Bifidaria clementina oldroydae</i>, n. var.
The Nautilus
30(4): 48
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Bifidaria clementina var. oldroydae Vanatta, 1916 accepted as Sterkia clementina (Sterki, 1890) accepted as Vertigo clementina (Sterki, 1890) (original description)