The Phanaeus tridens species group is revised and found to consist of twelve species: P. Castelnau, 1840, moroni Arnaud, 2001 stat. rev., balthasari daphnis Harold, 1863, coeruleus Bates, 1887 herbeus substriolatus Balthasar, 1939 furiosus 1887, pseudofurcosus nimrod victoriae Moctezuma sp. nov., eximius 1887. majority the name-bearing types were revised. neotype for suggested herein. following...