MolluscaBase name details
Geotrochus (Pithohelix) Swainson, 1840
1456926 (urn:lsid:marinespecies.org:taxname:1456926)
unaccepted (invalid, no designated type species)
Subgenus
Swainson, W. (1840). A treatise on malacology; or the natural classification of shells and shell-fish. Longman, London, viii + 419 pp., available online at http://www.biodiversitylibrary.org/item/33450
page(s): 166 [details]
page(s): 166 [details]
Taxonomic remark Schileyko (2004: 1663) lists Geotrochus (Pithohelix) Swainson, 1840: 166 as a synonym of Cochlostyla Ferussac, 1821 with...
Taxonomic remark Schileyko (2004: 1663) lists Geotrochus (Pithohelix) Swainson, 1840: 166 as a synonym of Cochlostyla Ferussac, 1821 with Helix castanea Swainson, 1840 as type species by original designation. The subgenus, Pithohielx, was listed by Swainson with no type species designation. Helix castanea Swainson, 1840 was designated as type species for the genus, Pythohelix Swainson, 1840: 332. See Pythohelix. [details]
MolluscaBase eds. (2024). MolluscaBase. Geotrochus (Pithohelix) Swainson, 1840. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1456926 on 2025-03-30
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original description
Swainson, W. (1840). A treatise on malacology; or the natural classification of shells and shell-fish. Longman, London, viii + 419 pp., available online at http://www.biodiversitylibrary.org/item/33450
page(s): 166 [details]
additional source Schileyko, A. A. (2004). Treatise on Recent terrestrial pulmonate molluscs. Part 12. Bradybaenidae, Monadeniidae, Xanthonychidae, Epiphragmophoridae, Helmintoglyptidae, Elonidae, Humboldtianidae, Spincterochilidae, Cochlicellidae. <em>Ruthenica.</em> Supplement 2: 1627-1763. Moskva [November].
page(s): 1663 [details]
page(s): 166 [details]
additional source Schileyko, A. A. (2004). Treatise on Recent terrestrial pulmonate molluscs. Part 12. Bradybaenidae, Monadeniidae, Xanthonychidae, Epiphragmophoridae, Helmintoglyptidae, Elonidae, Humboldtianidae, Spincterochilidae, Cochlicellidae. <em>Ruthenica.</em> Supplement 2: 1627-1763. Moskva [November].
page(s): 1663 [details]
From editor or global species database
Taxonomic remark Schileyko (2004: 1663) lists Geotrochus (Pithohelix) Swainson, 1840: 166 as a synonym of Cochlostyla Ferussac, 1821 with Helix castanea Swainson, 1840 as type species by original designation. The subgenus, Pithohielx, was listed by Swainson with no type species designation. Helix castanea Swainson, 1840 was designated as type species for the genus, Pythohelix Swainson, 1840: 332. See Pythohelix. [details]
