original description
(of Helix helena Quoy & Gaimard, 1832) Quoy, J. R. C.; Gaimard, J. P. (1832-1835). <i>Voyage de la corvette l'Astrolabe: exécuté par ordre du roi, pendant les années 1826-1827-1828-1829, sous le commandement de M. J. Dumont d'Urville. Zoologie.</i> 1: i-l, 1-264; 2(1): 1-321 [1832]; 2(2): 321-686 [1833]; 3(1): 1-366 [1834]; 3(2): 367-954 [1835]; 4 [1833]; Atlas (Mollusques): pls 1-93 [1833] ...etc. In: Dumont d'Urville, J.; 1834, Voyage de Découvertes de l'Astrolabe. Paris, J. Tastu, Éditeur-Imprimeur., available online at https://doi.org/10.5962/bhl.title.2132
page(s): 2: 111, pl. 9 figs 8-9 [details]
original description
(of Bulimus relegatus W. H. Benson, 1851) Benson, W. H. (1851). Descriptions of new land shells from St. Helena, Ceylon, and China. <em>Annals and Magazine of Natural History, series 2.</em> 7(40): 262-266., available online at https://www.biodiversitylibrary.org/page/13787854
page(s): 264 [details]
basis of record
Cowie R.H., Régnier C., Fontaine B. & Bouchet P. (2017). Measuring the Sixth Extinction: what do mollusks tell us?. <em>The Nautilus.</em> 131(1): 3-41.
page(s): 31 [details] Available for editors [request]
From editor or global species database
IUCN Red List Category Extinct [details]
From editor or global species database