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Vespericola columbiana latilabrum Pilsbry, 1940
synoniem
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Gepubliceerd in:Pilsbry, H. A. (1940). Land Mollusca of North America (north of Mexico). Volume I Part 2. The Academy of Natural Sciences of Philadelphia Monographs, 3: i–vii, 575–994, i–ix. Philadelphia [1 August]. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=296808
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Vespericola columbiana depressa (Pilsbry & J.Henderson, 1936)
synoniem
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Polygyra columbiana depressa Pilsbry & J.Henderson, 1936
synoniem
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Gepubliceerd in:Pilsbry, H. A., & Henderson, J. (1936). Polygyra columbiana depressa, new subspecies, from Oregon. The Nautilus, 49(4): 134, pl. 7, fig. 2. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=349595
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Polygyra columbiana var. santacruzensis Dall, 1905
synoniem
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Gepubliceerd in:Dall, W. H. (1905). Land and fresh water mollusks of Alaska and adjoining regions. in: Alaska. Harriman Alaska Expedition with cooperation of Washington Academy of Sciences. vol. 13: i-vii + 1-171. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=293177
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Helix labiosa A.Gould, 1846
synoniem
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Gepubliceerd in:Gould, A. A. (1846). New species of Helix, from the Shells of the Exploring Expedition. Proceedings of the Boston Society of Natural History, 2: 165–167. Boston. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=294131
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Polygyra columbiana (I.Lea, 1838)
synoniem
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Helix columbiana I.Lea, 1838
synoniem
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Gepubliceerd in:Lea, I. (1838). Description of new freshwater and land shells. Transactions of the American Philosophical Society, new ser., 6: 1–154, plates 1–24. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=221591
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