MolluscaBase name details
Triodopsis obstricta occidentalis (Pilsbry & Ferriss, 1906)
1664934 (urn:lsid:marinespecies.org:taxname:1664934)
unaccepted > superseded rank
Subspecies
(of Polygyra obstricta occidentalis Pilsbry & Ferriss, 1906) Pilsbry, H. A. & Ferriss, J. H. (1906). Mollusca of the Ozarkian Fauna. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 58 (3): 529-567, plates 20-22., available online at https://www.biodiversitylibrary.org/page/24707380
page(s): 543, pl. 22, figs. 30-32 [details]
page(s): 543, pl. 22, figs. 30-32 [details]
MolluscaBase eds. (2025). MolluscaBase. Triodopsis obstricta occidentalis (Pilsbry & Ferriss, 1906). Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1664934 on 2025-09-11
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original description
(of Polygyra obstricta occidentalis Pilsbry & Ferriss, 1906) Pilsbry, H. A. & Ferriss, J. H. (1906). Mollusca of the Ozarkian Fauna. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 58 (3): 529-567, plates 20-22., available online at https://www.biodiversitylibrary.org/page/24707380
page(s): 543, pl. 22, figs. 30-32 [details]
basis of record Hubricht, L. (1949). Notes on the Polygyridae of northern Arkansas. <em>The Nautilus.</em> 62(3): 98-99., available online at https://www.biodiversitylibrary.org/page/8519643
page(s): 99 [details]
page(s): 543, pl. 22, figs. 30-32 [details]
basis of record Hubricht, L. (1949). Notes on the Polygyridae of northern Arkansas. <em>The Nautilus.</em> 62(3): 98-99., available online at https://www.biodiversitylibrary.org/page/8519643
page(s): 99 [details]
