Vertigo angustior

The shell measures 1.6 to 2.0 mm (mean: 1.8 mm) in height and 0.9 1.05 mm (mean: 1 mm) in width. It is oblong ovoid with 4.5 to 5.35 whorls (mean 5). The aperture is sinistral and relatively small. The aperture edge is bent (indented) and slightly thickened and the aperture is slightly notched, the notch continuing outside as a spiral groove. The aperture bears 5-6 mainly short denticles: 2 parietal; 2 columellar; 1 palatal, the latter relatively long. The shell is brown to yellowish brown or horn coloured and has a fine growth striation.

• IUCN red list - conservation dependent
• It is mentioned in Annex II of the European Union's Habitats Directive.

The species occurs in many countries in Europe and in Asia:

Western Europe:

• Great Britain in List of endangered species in the British Isles (Ireland, United Kingdom). Endangered in Great Britain.2000-2007. [http://www.ukbap.org.uk/UKPlans.aspx?ID=626 Action plan for Vertigo angustior] {{Webarchive|url=https://web.archive.org/web/20071107145944/http://www.ukbap.org.uk/UKPlans.aspx?ID=626 |date=2007-11-07 }}. UK Biodiversity Action Plan. Joint Nature Conservation Committee.
• Ireland Conservation status: Vulnerable (VU)Byrne et al., 2009. http://www.npws.ie/en/media/NPWS/Publications/Redlists/RL2.pdf{{dead link|date=July 2016 |bot=InternetArchiveBot |fix-attempted=yes }}
• Belgium
• France{{cite web |url=http://natura2000.environnement.gouv.fr/especes/1014.html |title=Recherche de sites par espèce : Invertébrés : Vertigo angustior (Vertigo angustior) |year=2007 |access-date=2007-05-14 |archive-url=https://web.archive.org/web/20071001033746/http://natura2000.environnement.gouv.fr/especes/1014.html |archive-date=2007-10-01 |url-status=dead }}
• Liechtenstein
• Netherlands{{cite web|url=http://www.anemoon.org/anm/voorlopige-kaarten/landmollusken/wetenschappelijk/vertigo-angustior |title=Vertigo angustior|year=2005}}
• Switzerland

Central Europe:

• Austria
• Czech Republic - vulnerable (VU).{{cite web |url=http://stanoviste.natura2000.cz/index.php?page=zivocich_detail&ZivocichID=134 |title=Evropsky významné lokality v České republice |year=2003 |language=cs |access-date=2007-04-30 |archive-url=https://web.archive.org/web/20070609204537/http://stanoviste.natura2000.cz/index.php?page=zivocich_detail&ZivocichID=134 |archive-date=2007-06-09 |url-status=dead }}{{cite web|url=http://mollusca.sav.sk/malacology/redlist.htm |title=Red List of the molluscs (Mollusca) of the Czech Republic |date=2006-07-14}} Its conservation status in the Czech Republic in 2004-2006 is bad (U2) in pannonian area and favourable (FV) in continental area in report for European Commission in accordance with Habitats Directive.{{in lang|cs}} Dušek J., Hošek M. & Kolářová J. (2007) Hodnotící zpráva o stavu z hlediska ochrany evropsky významných druhů a typů přírodních stanovišť v České republice za rok 2004-2006. - Ochrana přírody, 62(5): appendix 5:I-IV.
• Germany
• Hungary
• Poland - endangered[http://www.iop.krakow.pl/pckz/opis.asp?id=238&je=en Vertigo angustior - Polish Red Data Book of Animals]
• Slovakia
• Slovenia

Northern Europe: Denmark, Finland, Norway, Sweden

Eastern Europe: Belarus, Estonia, Latvia, Lithuania, Russian Federation, Ukraine

Southern Europe: Italy, Romania

Asia: Armenia, Azerbaijan, Georgia.

{{Reflist}}

• Zofia Książkiewicz. January 2008. The narrow-mouthed whorl snail Vertigo angustior (Pulmonata: Gastropoda: Vertiginidae) - distribution and habitat disturbance in northwestern Poland.
• Provoost, S.; Bonte, D. (Ed.) (2004). Animated dunes: a view of biodiversity at the Flemish coast [Levende duinen: een overzicht van de biodiversiteit aan de Vlaamse kust]. Mededelingen van het Instituut voor Natuurbehoud, 22. Instituut voor Natuurbehoud: Brussel, Belgium. ISBN 90-403-0205-7. 416, ill., appendices pp. [http://www.hawaii.edu/cowielab/Tentacle/Tentacle%2016%20(Cowie%202008).pdf Tentacle 16.] 5–6.
• [http://www.npws.ie/en/media/Media,6120,en.pdf The narrow-mouthed whorl snail (Vertigo angustior) (1014) Conservation Status Assessment Report]{{dead link|date=July 2016 |bot=InternetArchiveBot |fix-attempted=yes }}.
• Sysoev, A. V. & Schileyko, A. A. (2009). Land snails and slugs of Russia and adjacent countries. Sofia/Moskva (Pensoft). 312 pp., 142 plates.

{{Commons category}}

• [https://www.biodiversitylibrary.org/page/2267914 Jeffreys, J. G. (1830). A synopsis of the testaceous pneumonobranchous Mollusca of Great Britain. Transactions of the Linnean Society of London. 16: 323-392]
• [https://www.biodiversitylibrary.org/page/2432916 Müller, A. (1838). Ueber einige vaterländische Landschnecken. Archiv für Naturgeschichte. 4, 1: 209-211, pl. 4. Berlin]
• [https://biodiversitylibrary.org/page/33246815 Michaud, A.-L.-G. (1831). Complément de l'Histoire des mollusques terrestres et fluviatiles de la France, de J.P.R. Draparnaud. i-xvi, 1-116, Errata (1 p.), 1-12, pls 14-16. (December). Verdun: Lippmann]
• {{usurped|1=[https://web.archive.org/web/20160326205253/http://ashipunov.info/shipunov/school/books/shilejko2013_fauna_nazemn_moll_kz.djvu Schileyko, A. A. & Rymzhanov, T. S. (2013). Fauna of land mollusks (Gastropoda, Pulmonata Terrestria) of Kazakhstan and adjacent territories. Moscow-Almaty: KMK Scientific Press. 389 pp]}}
• [http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=1688 Vertigo angustior] at Animalbase taxonomy, short description, distribution, biology, status (threats), images
• [http://www.sci.muni.cz/botany/mirecol/bulgaria/pic/V_angustior.JPG photo of Vertigo angustior]
• https://web.archive.org/web/20081108053410/http://www.staff.amu.edu.pl/~polmal/smp/v115.htm
• [https://science.mnhn.fr/institution/mnhn/collection/im/item/2009-21500?listIndex=4&listCount=17 MNHN, Paris: specimen]

{{Taxonbar|from=Q1808988}}

angustior

Category:Gastropods described in 1830

Category:Taxa named by John Gwyn Jeffreys

Category:Habitats Directive species