Haaseidae Attems 1899

Key to the genera of the family Haaseidae

1. Coxal processes of the posterior gonopods surpassing telopodites in height............................. Romanosoma

- Coxal processes of the posterior gonopods lower than the telopodites............................................ 2

2. Coxal processes of the posterior gonopods with two or three branches....................................... Haasea

- Coxal processes of the posterior gonopods unipartite......................................................... 3

3. Medial sternal process of the anterior gonopods significantly exceeds half the height of the angiocoxites..... Hylebainosoma

- Medial sternal process of the anterior gonopods shorter than half the height of angiocoxties.......................... 4

4. Coxal processes of the posterior gonopods robust and wide. Leg-pair 3 in females reduced to one podomere............................................................................................... Maurieseuma gen. nov.

- Coxal processes of the posterior gonopods slender distally. Leg-pair 3 in females normal.................. Xylophageuma