(subgenus Rhyzoarca Bell & Bell, this subgenus occurs in Australia, New Zealand, and New Caledonia.)

Reference book available for download:

Ross T. Bell & Joyce R. Bell, "RHYSODINI OF THE WORLD PART IV. REVIEWS OF RHYZODIASTIC FAIRMAIRE AND CLINIDIUM KIRBY, WITH NEW SPECIES IN OTHER GENERA (COLEOPTERA: CARABIDAE OR RHYSODIDAE) "in Quaestiones Entomologicae 21: 1-172 1985, University of Vermont (USA)