Hystricella echinoderma (Wollaston, 1878)
Taxonomy & Nomenclature
Synonyms: Helix echinoderma Wollaston, 1878; Geomitra echinoderma (Wollaston, 1878)
Conservation Status
Extinct (de Mattia et al., 2018)
Distribution & Habitat
Porto Santo, Madeiran Archipelago
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Wollaston, T. V. (1878). Testacea Atlantica or the land and freshwater shells of the Azores, Madeiras, Salvages, Canaries, Cape Verdes, and Saint Helena. Reeve, London. i-xi, [1], 1-588, 1-16 pp.
Other references:
Borges, P. A. V., et al. (eds.). (2008). Listagem dos fungos, flora e fauna terrestres dos arquipélagos da Madeira e Selvagens. Governo da Madeira, Funchal.
de Mattia, Willy, Neiber, Marco T. and Groh, Klaus. (2018). Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). Zookeys 732: 1-125. doi: 10.3897/zookeys.732.21677
Fernández-Palacios, José María, Fructuoso, Melania, Illera, Juan Carlos, Rando, Juan Carlos, de Nascimento, Lea, Fernández-Palacios, Enrique, Patiño, Jairo, Otto, Rüdiger, Castilla-Beltrán, Álvaro, González, Esther Martín, Orihuela-Rivero, Raúl, Alcover, Josep Antoni, Whittaker, Robert J. (2025). A synthesis of terrestrial species extinctions in the Macaronesian Islands and their correspondence with human occupancy. PNAS Nexus 4(8): pgaf215. https://doi.org/10.1093/pnasnexus/pgaf215 [Supplementary data (.docx)]
MolluscaBase eds. (2026). MolluscaBase. Hystricella echinoderma (Wollaston, 1878) †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1340235 on 2026-02-19
Seddon, M. B. (2008). The landsnails of Madeira. The illustrated compendium of the landsnails and slugs of the Madeiran archipelago. Biotir Reports [Studies in biodiversity and systematics of terrestrial organisms], 2: i-viii, 1-196.