Pachygnathus Dugès, 1834

Type species: “Pachygnathe velu” Dugès, 1834 (= Pachygnathus villosus Dugès [in: Oken], 1836) from France; by monotypy .

Differential diagnosis. The genus can be segregated from the other genera of the family by the beak-like chelicera (Fig. 18; Uusitalo 2010: fig. 3), small, fork-like rutella and less than six sparsely barbed eupathids on the palpi (Fig. 19; Uusitalo 2010: fig. 63).