Traits taxon details
original description
(of Helix (Actinella) sphaerula var. majuscula Paiva, 1867 †) Paiva, [A. da Costa]. (1867). Monographia molluscorum terrestrium, fluviatilum, lacustrium insularum Maderensium. <em>Memorias da Académia Real das Sciências de Lisboa, Classe de Sciências Mathemáticas, Physicas e Naturaes.</em> new ser., 4(1): i-xix, 1-168, 1-2, pls 1-2., available online at https://www.biodiversitylibrary.org/page/4591929 page(s): 44 [details]
original description
(of Caseolus (Caseolus) subcalliferus submajor Waldén, 1983 †) Waldén, H.W. (1983). Systematic and biogeographical studies of the terrestrial Gastropoda of Madeira. With an annotated check-list. <em>Annales Zoologici Fennici.</em> 20: 255-275. Helsinki. page(s): 267, 269 (note 41) [details] Available for editors 
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