Apostenus

Apostenus is a genus of liocranid sac spiders that was first described by Niklas Westring in 1851.

Species
it contains thirteen species, found in Europe, Africa, Canada, the United States, and Karakorum:
 * Apostenus algericus Bosmans, 1999 – Algeria
 * Apostenus annulipedes Wunderlich, 1987 – Canary Is.
 * Apostenus annulipes Caporiacco, 1935 – Karakorum
 * Apostenus californicus Ubick & Vetter, 2005 – USA
 * Apostenus crespoi Lissner, 2017 – Portugal
 * Apostenus ducati Bennett, Copley & Copley, 2013 – USA, Canada
 * Apostenus fuscus Westring, 1851 (type) – Europe
 * Apostenus gomerensis Wunderlich, 1992 – Canary Is.
 * Apostenus grancanariensis Wunderlich, 1992 – Canary Is.
 * Apostenus humilis Simon, 1932 – Portugal, Spain, France
 * Apostenus maroccanus Bosmans, 1999 – Morocco
 * Apostenus ochraceus Hadjissarantos, 1940 – Greece
 * Apostenus palmensis Wunderlich, 1992 – Canary Is.