TomopisthesTomopisthes is a genus of South American anyphaenid sac spiders first described by Eugène Simon in 1884.Speciesit contains five species:Tomopisthes horrendus – Chile, ArgentinaTomopisthes puconensis – Chile, ArgentinaTomopisthes pusillus – Chile, ArgentinaTomopisthes tullgreni Simon, 1905 – ArgentinaTomopisthes varius Simon, 1884 – Chile, Argentina