Bythinella gibbosa (Moquin-Tandon, 1856)
Taxonomy & Nomenclature
Synonyms: Bythinia (Bythinella) marginata var. gibbosa Moquin-Tandon, 1856 (basionym); Bythinella (Bythinella) gibbosa (Moquin-Tandon, 1856); Belgrandia bourguignati Saint-Simon, 1870; Bythinella bourguignati (Saint-Simon, 1870)
Conservation Status
Extinct (Falkner & Prie, 2010a,b, 2026)
Last record: 50-100 years ago (Falkner & Prie, 2010); pre-1960 (Prié & Falkner, 2026)
IUCN RedList status: Extinct
Distribution & Habitat
Bourrassol near Toulouse, France
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Moquin-Tandon, A. (1856). Histoire naturelle des mollusques terrestres et fluviatiles de France, Tome premier (5): 177-368 + Atlas: 65-80, pl. 37-45. Paris: J.-B. Baillière. [2 January 1856]
Other references:
Boeters, H. D. and Falkner, G. (2008). Westeuropaische Hydrobiidae 11. Die Gattung Bythinella Moquin-Tandon 1856 in Westeuropa, 2. Heldia. 5(4-5): 115-136, pls 14-18. [December 2008]
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.
Falkner, G., Ripken, T. E. J. and Falkner, M. (2002). Mollusques continentaux de la France: Liste de Référence annotée et Bibliographie. Patrimoines Naturels.
Falkner, G. and Prie, V. (2010a). Bythinella gibbosa. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.1. (http://www.iucnredlist.org). Downloaded on 07 October 2012.
Falkner, G. and Prié, V. (2010b). Bythinella gibbosa. The IUCN Red List of Threatened Species 2010: e.T155997A4881283. https://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T155997A4881283.en. Accessed on 01 July 2022.
Falkner, G., Ripken, T. E. J. and Falkner, M. (2002). Mollusques continentaux de la France: Liste de Référence annotée et Bibliographie. Patrimoines Naturels.
MolluscaBase eds. (2021). MolluscaBase. Bythinella gibbosa (Moquin-Tandon, 1856). Accessed at: http://molluscabase.org/aphia.php?p=taxdetails&id=737952 on 2026-08-04
Prié, V. and Falkner, G. (2026). Bythinella gibbosa. The IUCN Red List of Threatened Species 2026: e.T155997A222379785. https://dx.doi.org/10.2305/IUCN.UK.2026-1.RLTS.T155997A222379785.en. Accessed on 04 August 2026.
Saint-Simon A. de. (1870). Description d´espèces nouvelles du Midi de la France. Annales de Malacologie. 1: 20–33.