Cavisternum Baehr, Harvey & Smith, 2010

Type species: Cavisternum clavatum Baehr, Harvey & Smith, 2010, figs 1, 4, 7, 26–83, map 1.

Diagnosis: Males of this genus can be separated from all other oonopid genera by the concave sternum covered with clavate setae (Fig. 4) and the fangs with broadened tips (Fig. 8).