Key to the genera of Eohypsibiidae

1. Bucco-pharyngeal apparatus with rigid tube. Branches of the stylet furcae with clearly swollen apices (Fig. 9 B) ...... ..................................................................................................................................................................... Bertolanius

- Bucco-pharyngeal tube subdivided into a rigid anterior and a flexible posterior tract. Branches of the stylet furcae with not very swollen apices (Fig. 9 C) ..................................................................................................... Eohypsibius