MolluscaBase source details
Walker, B. (1906). An illustrated catalogue of the Mollusca of Michigan. Part 1. Terrestrial Pulmonata (land snails). Report for 1905, State Board of Geological Survey. 1905: 432-537.
349570
Walker, B.
1906
An illustrated catalogue of the Mollusca of Michigan. Part 1. Terrestrial Pulmonata (land snails).
Report for 1905, State Board of Geological Survey
1905: 432-537
Publication
Polygyra fraterna var. albida B. Walker, 1906 accepted as Euchemotrema fraternum fraternum (Say, 1824) (original description)
Pyramidula solitaria var. albina B. Walker, 1906 accepted as Anguispira kochi (L. Pfeiffer, 1846) (original description)
Pyramidula solitaria var. albina B. Walker, 1906 accepted as Anguispira kochi (L. Pfeiffer, 1846) (original description)
