Rhizoplatys Westwood, 1841c

[8 species and 2 additional subspecies].

Type species Rhizoplatys cribrarius Westwood, 1841, by monotypy.

Trionychus Burmeister, 1847 . Erected for four species ( Scarabaeus mucronatus Palisot de Beauvois, 1805; Trionychus auriculatus Burmeister, 1847; Trionychus cribricollis Burmeister, 1847; Trionychus trituberculatus Burmeister, 1847) but no type species designated. Synonymy by Péringuey (1901).