Montserratina becasis (Rambur, 1868)
Taxonomy & Nomenclature
Synonym/s: Helix becasis Rambur, 1868
Conservation Status
Missing (Gargominy, 2011, 2025)
Last record: 1890's (Gargominy, 2011, 2025)
IUCN RedList status: Critically Endangered (Possibly Extinct)
Distribution & Habitat
Mount Canigou, Pyrenees, France
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Rambur, P. (1868). Diagnoses d'Helices nouvelles. Journal de Conchyliologie 16(3): 265-268. [15 July]
Other references:
Cowie, Robert H., Régnier, Claire, Fontaine, Benoît, and Bouchet, Philippe. (2017). Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.
Cuttelod, A., Seddon, M. and Neubert, E. (2011). European Red List of Non-marine Molluscs. Publications Office of the European Union, Luxembourg.
Gargominy, O. (2013). Montserratina becasis. The IUCN Red List of Threatened Species. Version 2014.3. (http://www.iucnredlist.org). Downloaded on 29 January 2015.
Gargominy, O. (2025). Montserratina becasis. The IUCN Red List of Threatened Species 2025: e.T156817A220192009. https://dx.doi.org/10.2305/IUCN.UK.2025-2.RLTS.T156817A220192009.en. Accessed on 08 August 2026.
INPN. 2023. Montserratina becasis (Rambur, 1868). Portail français d'accès aux données d'observation sur les espèces. Inventaire national du patrimoine naturel (INPN). Available at: https://openobs.mnhn.fr/openobs-hub/occurrences/07c83f27-2a53-4f56-a78d-544e13de8d06
MolluscaBase eds. (2026). MolluscaBase. Montserratina becasis (Rambur, 1868). Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1002446 on 2026-07-27
UICN Comité français, OFB and MNHN. (2021). La Liste rouge des espèces menacées en France. Mollusques continentaux de France métropolitaine. Comité français de l’Union internationale pour la conservation de la nature (UICN Français), Office français de la biodiversité (OFB) and Muséum national d’Histoire naturelle (MNHN), Paris.
https://extinctanimals.proboards.com/thread/18893/montserratina-becasis