(ofAnguispira alternata var. alba Tryon, 1866)Tyron, G.W. (1866). Monograph of the terrestrial Mollusca of the United States. American Journal of Conchology, 2(2): 218-279, plates 1-4. page(s): 261 [details]
MolluscaBase eds. (2021). MolluscaBase. Pyramidula alternata var. alba (Tryon, 1866). Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1543133 on 2024-05-01
original description(ofAnguispira alternata var. alba Tryon, 1866)Tyron, G.W. (1866). Monograph of the terrestrial Mollusca of the United States. American Journal of Conchology, 2(2): 218-279, plates 1-4. page(s): 261 [details]