O. obstipa Clamp, 1991

Museum Depositions. USNM. 42694 Holotype; 42695 Paratype.

Habitat. Freshwater.

Distribution. BR: Australian.

Australia: New South Wales, Mt. Kosciusko (36°28'13.31"S, 148°15'55.34"E). Hosts. Australia: Metaphreatoicus australis (Chilton) (pleopods).

References. Clamp 1991; Fernandez-Leborans & Tato-Porto 2000.