MolluscaBase name details
Pyramidula alternata fergusoni (Bland, 1862)
1543110 (urn:lsid:marinespecies.org:taxname:1543110)
unaccepted (unaccepted combination)
Subspecies
(of Helix alternata var. fergusoni Bland, 1862) Bland, T. (1861). Remarks on certain species of North American Helicidae. <em>Annals of the Lyceum of Natural History of New York.</em> 7(30): 420-446 (Dec. 1861), 7(31): 447-448, plate 4 (Feb. 1862)., available online at https://www.biodiversitylibrary.org/page/16227889
page(s): 421 [details]
page(s): 421 [details]
MolluscaBase eds. (2021). MolluscaBase. Pyramidula alternata fergusoni (Bland, 1862). Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1543110 on 2025-09-12
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original description
(of Helix alternata var. fergusoni Bland, 1862) Bland, T. (1861). Remarks on certain species of North American Helicidae. <em>Annals of the Lyceum of Natural History of New York.</em> 7(30): 420-446 (Dec. 1861), 7(31): 447-448, plate 4 (Feb. 1862)., available online at https://www.biodiversitylibrary.org/page/16227889
page(s): 421 [details]
basis of record Pilsbry, H. A. (1901). The subspecies of <i>Pyramidula alternata</i>. <em>The Nautilus.</em> 15(1): 6-7., available online at https://www.biodiversitylibrary.org/page/1738385
page(s): 7 [details]
page(s): 421 [details]
basis of record Pilsbry, H. A. (1901). The subspecies of <i>Pyramidula alternata</i>. <em>The Nautilus.</em> 15(1): 6-7., available online at https://www.biodiversitylibrary.org/page/1738385
page(s): 7 [details]
