Clubiona rosserae

{{Short description|Species of spider}}

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| taxon = Clubiona rosserae

| authority = Locket, 1953

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Clubiona rosserae, or Rosser's sac spider,{{cite web|url=http://news.uk.msn.com/odd-news/articles.aspx?cp-documentid=155319603|title=Colony of rare spiders discovered|date=23 November 2010|publisher=MSN News|accessdate=23 November 2010|archive-url=https://web.archive.org/web/20101123130017/http://news.uk.msn.com/odd-news/articles.aspx?cp-documentid=155319603|archive-date=23 November 2010|url-status=dead}} is a rare species of sac spider native to wetlands of Great Britain. Though once feared to be extinct, a colony was discovered in 2010 at Chippenham Fen in Cambridgeshire.{{cite news |title=First pictures of rare wetland spider in Cambridgeshire |url=https://www.bbc.co.uk/news/uk-england-11806723 |newspaper=BBC News |date=21 November 2010 |accessdate=23 November 2010}} It can also be found at the Cavenham-Icklingham Heaths Site of Special Scientific Interest (SSSI) in north Suffolk.[http://www.sssi.naturalengland.org.uk/citation/citation_photo/1000992.pdf Cavenham-Icklingham Heaths] {{webarchive|url=https://web.archive.org/web/20150504232048/http://www.sssi.naturalengland.org.uk/citation/citation_photo/1000992.pdf |date=2015-05-04 }}, SSSI citation, Natural England. Retrieved 2013-01-26.