MolluscaBase source details
Berry, S. S. (1921). Some land snails of Shasta County, California. The Nautilus. 35(2): 35-39, pl. 2.
350093
Berry, S. S.
1921
Some land snails of Shasta County, California.
The Nautilus
35(2): 35-39, pl. 2
Publication
Polygyra columbiana shasta S. S. Berry, 1921 accepted as Vespericola shasta (S. S. Berry, 1921) (original description)
Polygyra sierriana S. S. Berry, 1921 accepted as Vespericola sierranus (S. S. Berry, 1921) (original description)
Polygyra sierriana S. S. Berry, 1921 accepted as Vespericola sierranus (S. S. Berry, 1921) (original description)
