Genus Rhyzodiastes Fairmaire, 1895

Fairmaire, 1895: 11 ( Rhyzodiastes; species included: parumcostatus, spissicornis); Grouvelle, 1903: 147 ( Clinidium (Rhysodiastes); catalog; [unavailable name]); Bell & Bell, 1978: 61 ( Rhyzodiastes; new combinations of 22 spp.; characters); Bell & Bell, 1985: 6 ( Rhyzodiastes; revision; phylogeny; characters; keys); Bell, 2003: 78 ( Rhyzodiastes; Palaearctic catalog; distribution); Beutel, 2005: 146 ( Rhyzodiastes; in generic list; distribution); Lorenz, 2005: 156 ( Rhyzodiastes; world list; 44 spp.).

Type species: Rhyzodes parumcostatus Fairmaire, 1868, by original designation.