MolluscaBase source details
Hanna, G. D. (1922). The status of Helix oregonensis Lea. The Nautilus. 36(1): 12-14.
427703
Hanna, G. D.
1922
The status of <i>Helix oregonensis</i> Lea
The Nautilus
36(1): 12-14
Publication
Date
action
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Helix oregonensis I. Lea, 1838 accepted as Monadenia fidelis fidelis (J. E. Gray, 1834) (additional source)