Genus Vachonobisium Vitali-di Castri, 1963

Vachonobisium Vitali-di Castri, 1963: 31; Harvey, 1992: 1409; Harvey, 1996: 258.

Type species: Vachonobisium troglophilum Vitali-di Castri, 1963.

Remarks. T he genus is characterized by the presence of a semi-circular ventral depression, with a small basal tooth, near the base of the movable chelal finger, as well as a heavily sclerotized expansion distal to the depression, on male specimens. It consists of three species, all occurring around Chile on mainland South America.

Species included: Vachonobisium heros (Beier, 1964), V.intermedium (Vitali-di Castri, 1963) and V.troglophilum Vitali-di Castri, 1963.