Truncatellina linearis (R. T. Lowe, 1852)
Taxonomy & Nomenclature
Synonyms: Pupa linearis R. T. Lowe, 1852; Pupa striata Gredler, 1856
Conservation Status
Missing (Teixeira & Seddon, 2025)
Last record: 1988 (recent shells) (Teixeira & Seddon, 2025)
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution & Habitat
Madeira, Madeiran Archipelago
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Lowe, R. T. (1852). Brief diagnostic notices of new Maderan land shells. The Annals and Magazine of Natural History (2) 9 (50): 112-120; (2) 9 (52): 275-279.
Other references:
Cameron, R. A. D., Cook, L. M., Goodfriend, G. A. and Seddon, M. B. (2006). Fossil Landsnail faunas from Porto Santo, Madeiran Archipelago; change and stasis in Pleistocene to recent times. Malacologia 49(1): 25-59.
Cameron, Robert A. D., Teixeira, Dinarte, Pokryszko, Beata, Silva, Isamberto and Groh, Klaus. (2021). An annotated checklist of the extant and Quaternary land molluscs of the Desertas Islands, Madeiran Archipelago. Journal of Conchology 44(1): 53-70.
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)]
Goodfriend, G. A., Cameron, R. A. D. and Cook., L. M. (1994). Fossil Evidence of Recent Human Impact on the Land Snail Fauna of Madeira. Journal of Biogeography 21(3): 309-320.
Gredler, V. M. (1856). Tirols Land- und Süßwasser-Conchylien I. Die Landconchylien. Verhandlungen der Kaiserlich-königlichen Zoologisch-botanischen Gesellschaft in Wien 6: 25–162.
Hutterer, R. and Groh, K. (1993). A review of Macaronesian Truncatellina (Gastropoda: Vertiginidae) with descriptions of four new species. Bocagiana [1993]: 1-19.
MolluscaBase eds. (2026). MolluscaBase. Truncatellina linearis (R. T. Lowe, 1852). Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1002840 on 2026-01-18
Schileyko, A. A. (1998). Treatise on Recent terrestrial pulmonate molluscs. Part 2. Gastrocoptidae, Hypselostomatidae, Vertiginidae, Truncatellinidae, Pachnodidae, Enidae, Sagdidae. Ruthenica. Supplement 2: 129-261 [p. 165, fig. 201A].
Seddon, M. B. (2008). An illustrated compendium of the landsnails and slugs of the Madeiran archipelago. Studies in Biodiversity and Systematics of Terrestrial Organisms from the National Museum of Wales. BIOTIR Reports 2. National Museum of Wales, Cardiff.
Teixeira, D. and Seddon, M. B. (2025). Truncatellina linearis. The IUCN Red List of Threatened Species 2025: e.T156404A220161409. https://dx.doi.org/10.2305/IUCN.UK.2025-2.RLTS.T156404A220161409.en. Accessed on 08 August 2026.
Waldén, H. W. (1983). Systematic and biogeographical studies of the terrestrial Gastropoda of Madeira. With an annotated Check-list. Annales Zoologica Fennica 20: 255-275.
Wollaston, T. V. (1878). Testacea Atlantica or the land and freshwater shells of the Azores, Madeiras, Salvages, Canaries, Cape Verdes, and Saint Helena. London.