MolluscaBase name details
Anisus angulatus (Clessin, 1877) †
822874 (urn:lsid:marinespecies.org:taxname:822874)
accepted > unreplaced junior homonym (invalid; based on preoccupied original name)
Species
Paraspira (Paraspira) angulata (Clessin, 1877) † · unaccepted > superseded combination (Paraspira is considered a junior...)
Paraspira is considered a junior synonym of Anisus
Planorbis (Gyrorbis) angulatus Clessin, 1877 † · unaccepted > junior homonym (invalid; not Chitty, 1853)
fossil only
(of Planorbis (Gyrorbis) angulatus Clessin, 1877 †) Clessin, S. (1877). Die tertiären Binnenconchylien von Undorf. <em>Correspondenz-Blatt des zoologisch-mineralogischen Vereines in Regensburg.</em> 31 (3), 34-41.
page(s): 40 [details]
page(s): 40 [details]
Type locality contained in Germany
type locality contained in Germany [from synonym] [view taxon] [details]
MolluscaBase eds. (2025). MolluscaBase. Anisus angulatus (Clessin, 1877) †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=822874 on 2025-09-11
Date
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The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
(of Planorbis (Gyrorbis) angulatus Clessin, 1877 †) Clessin, S. (1877). Die tertiären Binnenconchylien von Undorf. <em>Correspondenz-Blatt des zoologisch-mineralogischen Vereines in Regensburg.</em> 31 (3), 34-41.
page(s): 40 [details]
additional source Clessin, S. (1885). Die Conchylien der Obermiocaenen Ablagerungen von Undorf. <em>Malakozoologische Blätter, Neue Folge.</em> 7 (2): 71-95., available online at https://www.biodiversitylibrary.org/page/35594668
page(s): 91 [details]
page(s): 40 [details]
additional source Clessin, S. (1885). Die Conchylien der Obermiocaenen Ablagerungen von Undorf. <em>Malakozoologische Blätter, Neue Folge.</em> 7 (2): 71-95., available online at https://www.biodiversitylibrary.org/page/35594668
page(s): 91 [details]
Present Inaccurate Introduced: alien Containing type locality
