Sisicus
{{Short description| Genus of spiders}}
{{Automatic taxobox
| taxon = Sisicus
| authority = Bishop & Crosby, 1938
| type_species = S. penifusifer
| type_species_authority = Bishop & Crosby, 1938
| subdivision_ranks = Species
| subdivision = {{Specieslist
| S. apertus|(Holm, 1939) – North America, Europe, Russia (Europe to Far East)
| S. penifusifer|Bishop & Crosby, 1938 – USA, Canada
| S. volutasilex|Dupérré & Paquin, 2007 – Canada}}
}}
Sisicus is a genus of sheet weavers that was first described by S. C. Bishop & C. R. Crosby in 1938.{{cite journal| last=Bishop| first=S. C.| last2=Crosby| first2=C. R.| year=1938| title=Studies in American spiders: Miscellaneous genera of Erigoneae, Part II| journal=Journal of the New York Entomological Society| pages=55–107| volume=46}} {{as of|2019|06}} it contains only three species, found in North America, Europe, Siberia, and East Asia: S. apertus, S. penifusifer, and S. volutasilex.{{cite journal| title=Gen. Sisicus Bishop & Crosby, 1938| website=World Spider Catalog Version 20.0| accessdate=2019-07-01| year=2019| publisher=Natural History Museum Bern| url=http://www.wsc.nmbe.ch/genus/1623| doi=10.24436/2| last1=Gloor| first1=Daniel| last2=Nentwig| first2=Wolfgang| last3=Blick| first3=Theo| last4=Kropf| first4=Christian}}