SeptentrinnaSeptentrinna is a genus of corinnid sac spiders first described by A. B. Bonaldo in 2000.Speciesit contains six species:Septentrinna bicalcarata – USA, MexicoSeptentrinna paradoxa – GuatemalaSeptentrinna potosi Bonaldo, 2000 – MexicoSeptentrinna retusa – GuatemalaSeptentrinna steckleri – USA, MexicoSeptentrinna yucatan Bonaldo, 2000 – Mexico