Genus Eoatrichops gen. n.

Type species: Eoatrichops jeanbernardi sp. n.

Etymology. Named after the Eocene period and the modern athericid genus Atrichops.

Diagnosis. Male holoptic, females dichoptic; antennal segment 3 reniform with dorsal arista; antennae almost contiguous with each other; sclerite between anterior spiracle and fore coxa with one knob-like process at lower margin; absence of a short fusion of vein A1 with vein CuA2; cell m3 opened; basal radial cell reaching level of apex of vein Sc; vein R4 not sigmoidal; vein R2+3 nearly straight; discal cell with proximal and distal parts of same width; veins M1, M2 and M3 shorter than discal cell, tibial spur formula 0/2/2; female with one-segmented cerci.