Hybauchenidium

Hybauchenidium is a genus of dwarf spiders that was first described by Å. Holm in 1973.

Species
it contains four species, found in Canada, Finland, Greenland, Russia, Sweden, and the United States:
 * Hybauchenidium aquilonare (L. Koch, 1879) (type) – Russia (Europe to Far North-East), USA (Alaska), Canada
 * Hybauchenidium cymbadentatum (Crosby & Bishop, 1935) – USA
 * Hybauchenidium ferrumequinum (Grube, 1861) – Sweden, Finland, Russia (Europe to Far North-East), Canada
 * Hybauchenidium gibbosum (Sørensen, 1898) – Russia (north-eastern Siberia, Far North-East), Canada, USA, Greenland