MolluscaBase name details
Helix (Epistylia) Swainson, 1840
998630 (urn:lsid:marinespecies.org:taxname:998630)
unaccepted
Subgenus
Helix (Epistylia) conica Swainson, 1840 accepted as Sagda cookiana (Gmelin, 1791) (type by monotypy)
- Species Helix (Epistylia) conica Swainson, 1840 accepted as Sagda cookiana (Gmelin, 1791)
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): 165, 166, 331 [details]
page(s): 165, 166, 331 [details]
MolluscaBase eds. (2025). MolluscaBase. Helix (Epistylia) Swainson, 1840. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=998630 on 2025-09-10
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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): 165, 166, 331 [details]
source of synonymy Schileyko, A. A. (1998). Treatise on Recent terrestrial pulmonate molluscs. Part 2. Gastrocoptidae, Hypselostomatidae, Vertiginidae, Truncatellinidae, Pachnodidae, Enidae, Sagdidae. <em>Ruthenica.</em> Supplement 2: 129-261. Moskva [November].
page(s): 245 [details]
page(s): 165, 166, 331 [details]
source of synonymy Schileyko, A. A. (1998). Treatise on Recent terrestrial pulmonate molluscs. Part 2. Gastrocoptidae, Hypselostomatidae, Vertiginidae, Truncatellinidae, Pachnodidae, Enidae, Sagdidae. <em>Ruthenica.</em> Supplement 2: 129-261. Moskva [November].
page(s): 245 [details]
