Orizabus amalgamatus Ratcliffe & Cave 2010

Ratcliffe & Cave 2010. New species of Orizabus Fairmaire (Coleoptera: Scarabaeidae: Dynastinae: Pentodontini) from Mexico and Guatemala, with a revised key and checklist of the species in the genus. Insecta Mundi, 0127, June 18 2010: 1-16