Schubert, H.G. & Wagner, J.A. (1829) Neues Systematisches Conchylien- Cabinet Angefangen von Martini und Chemnitz. Vol. 12. Bauer & Raspe, Nürnberg, xii + 196 pp., pls. 214–237., available online athttps://www.biodiversitylibrary.org/page/30072696[details]
MolluscaBase eds. (2021). MolluscaBase. Purpura variegata Schubert & J. A. Wagner, 1829. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=750073 on 2024-05-01
original descriptionSchubert, H.G. & Wagner, J.A. (1829) Neues Systematisches Conchylien- Cabinet Angefangen von Martini und Chemnitz. Vol. 12. Bauer & Raspe, Nürnberg, xii + 196 pp., pls. 214–237., available online athttps://www.biodiversitylibrary.org/page/30072696[details]