MolluscaBase taxon details
Pachydon Gabb, 1869 †
1491021 (urn:lsid:marinespecies.org:taxname:1491021)
accepted
Genus
Pachydon obliqua Gabb, 1869 † accepted as Pachydon obliquus Gabb, 1869 † (type by subsequent designation)
Anisothyris Conrad, 1871 † · unaccepted > junior objective synonym (unnecessary substitute name,...)
unnecessary substitute name, established conditionally, for Pachydon Gabb, 1869, if considered a junior homonym of Pachyodon Meyer, 1838 [Mammalia]
Anisothyris (Pachydon) Gabb, 1869 † · unaccepted > superseded rank
- Species Pachydon amazonensis (Gabb, 1869) †
- Species Pachydon andersonae Wesselingh, 2006 †
- Species Pachydon carinatus (Conrad, 1871) †
- Species Pachydon cebada (F. M. Anderson, 1928) †
- Species Pachydon cuneatus (H. Woodward, 1871) †
- Species Pachydon ellipticus Wesselingh, 2006 †
- Species Pachydon erectus (H. Woodward, 1871) †
- Species Pachydon hettneri (F. M. Anderson, 1928) †
- Species Pachydon iquitensis (de Greve, 1938) †
- Species Pachydon ledaeformis (Dall, 1872) †
- Species Pachydon maaikeae Wesselingh, 2006 †
- Species Pachydon obliquus Gabb, 1869 †
- Species Pachydon telliniformis Wesselingh, 2006 †
- Species Pachydon tenuis Gabb, 1869 †
- Species Pachydon trigonalis C. P. Nuttall, 1990 †
- Subgenus Pachydon (Anisorhynchus) Conrad, 1871 † accepted as Ursirivus H. E. Vokes, 1945 † (unaccepted > junior homonym, junior homonym of Anisorhynchus Schoenherr, 1842 [Coleoptera]; Ursirivus is a replacement name)
- Species Pachydon (Anisorhynchus) dispar Conrad, 1874 † accepted as Exallocorbula dispar (Conrad, 1874) † (unaccepted > superseded combination)
- Species Pachydon (Anisorhynchus) cuneiformis Conrad, 1874 † (uncertain > nomen dubium)
- Species Pachydon acreanus (Maury, 1937) † accepted as Callonaia acreana (Maury, 1937) † (unaccepted > superseded combination)
- Species Pachydon altum Conrad, 1871 † accepted as Pachydon erectus (H. Woodward, 1871) † (unaccepted > junior subjective synonym)
- Species Pachydon imbricatus Stutchbury, 1842 † accepted as Cardinia listeri (J. Sowerby, 1817) † (unaccepted > junior subjective synonym)
- Species Pachydon obliqua Gabb, 1869 † accepted as Pachydon obliquus Gabb, 1869 † (unaccepted > incorrect grammatical agreement of specific epithet)
- Species Pachydon ovalis C. P. Nuttall, 1990 † accepted as Pachydon cebada (F. M. Anderson, 1928) † (unaccepted > junior subjective synonym)
- Species Pachydon ovatus Conrad, 1871 † accepted as Pachydon tenuis Gabb, 1869 † (unaccepted > junior subjective synonym)
- Species Pachydon tenua Gabb, 1869 † accepted as Pachydon tenuis Gabb, 1869 † (unaccepted > incorrect grammatical agreement of specific epithet)
- Species Pachydon tumidus (Etheridge, 1879) † accepted as Pachydon cuneatus (H. Woodward, 1871) † (unaccepted > junior subjective synonym)
fossil only
masculine
Gabb, W. M. (1869). Descriptions of fossils from the clay deposits of the Upper Amazon. <em>American Journal of Conchology.</em> 4(4): 197-200., available online at https://www.biodiversitylibrary.org/page/16070306
page(s): 197 [details]
page(s): 197 [details]
Note Vokes attributed the type species designation...
Type species Vokes attributed the type species designation to Meek (1876, U.S. Geological Survey of the Territories, 9: 241), but Meek merely cited Pachydon obliqua as an example. [details]
MolluscaBase eds. (2021). MolluscaBase. Pachydon Gabb, 1869 †. Accessed at: http://molluscabase.org/aphia.php?p=taxdetails&id=1491021 on 2025-09-10
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Attribution 4.0 License
original description
Gabb, W. M. (1869). Descriptions of fossils from the clay deposits of the Upper Amazon. <em>American Journal of Conchology.</em> 4(4): 197-200., available online at https://www.biodiversitylibrary.org/page/16070306
page(s): 197 [details]
original description (of Anisothyris Conrad, 1871 †) Conrad, T. A. (1871). Descriptions of new fossil shells of the upper Amazon. <em>American Journal of Conchology.</em> 6: 192-198., available online at https://www.biodiversitylibrary.org/page/15854015
page(s): 196 [details]
basis of record Wesselingh, F.P. (2006). Molluscs from the Miocene Pebas Formation of Peruvian and Colombian Amazonia. <em>Scripta Geologica.</em> 133: 19-290., available online at http://www.repository.naturalis.nl/document/41346
page(s): 238 [details]
page(s): 197 [details]
original description (of Anisothyris Conrad, 1871 †) Conrad, T. A. (1871). Descriptions of new fossil shells of the upper Amazon. <em>American Journal of Conchology.</em> 6: 192-198., available online at https://www.biodiversitylibrary.org/page/15854015
page(s): 196 [details]
basis of record Wesselingh, F.P. (2006). Molluscs from the Miocene Pebas Formation of Peruvian and Colombian Amazonia. <em>Scripta Geologica.</em> 133: 19-290., available online at http://www.repository.naturalis.nl/document/41346
page(s): 238 [details]
From editor or global species database
Type species Vokes attributed the type species designation to Meek (1876, U.S. Geological Survey of the Territories, 9: 241), but Meek merely cited Pachydon obliqua as an example. [details]
