MolluscaBase name details
Trachycystis lygaea (Melvill & Ponsonby, 1892)
1263649 (urn:lsid:marinespecies.org:taxname:1263649)
unaccepted > superseded combination
Species
(of Helix (Pella) lygaea Melvill & Ponsonby, 1892) Melvill, J. C. & Ponsonby, J. H. (1892). Desriptions of seven new species of terrestrial Mollusca from South Africa. <em>The Annals and Magazine of Natural History.</em> (6) 9 (49): 84-87, pl. 4, 6. London. [1 January]., available online at https://www.biodiversitylibrary.org/page/15617727
page(s): 85, pl. 4, fig. 7 [details]
page(s): 85, pl. 4, fig. 7 [details]
MolluscaBase eds. (2025). MolluscaBase. Trachycystis lygaea (Melvill & Ponsonby, 1892). Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1263649 on 2025-09-11
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original description
(of Helix (Pella) lygaea Melvill & Ponsonby, 1892) Melvill, J. C. & Ponsonby, J. H. (1892). Desriptions of seven new species of terrestrial Mollusca from South Africa. <em>The Annals and Magazine of Natural History.</em> (6) 9 (49): 84-87, pl. 4, 6. London. [1 January]., available online at https://www.biodiversitylibrary.org/page/15617727
page(s): 85, pl. 4, fig. 7 [details]
basis of record Connolly, M. (1939). A monographic survey of South African non-marine Mollusca. <em>Annals of the South African Museum.</em> 33: 1-660.
page(s): 237 [details] Available for editors
[request]
additional source Herbert, D. & Kilburn, D. (2004). Field guide to the land snails and slugs of eastern South Africa. Pietermaritzburg: Natal Museum. [v] + 336 pp.
page(s): 234 [details] Available for editors [request]
page(s): 85, pl. 4, fig. 7 [details]
basis of record Connolly, M. (1939). A monographic survey of South African non-marine Mollusca. <em>Annals of the South African Museum.</em> 33: 1-660.
page(s): 237 [details] Available for editors
[request]additional source Herbert, D. & Kilburn, D. (2004). Field guide to the land snails and slugs of eastern South Africa. Pietermaritzburg: Natal Museum. [v] + 336 pp.
page(s): 234 [details] Available for editors
[request]