Chalcosoma

Chalcosoma is a genus of Southeast Asian rhinoceros beetles. They are known as three horned rhinoceros beetles for their trident like horn. They are endemic to Southeast Asia.

Species
Biolib lists four species:


 * Chalcosoma atlas
 * Chalcosoma chiron (incl. synonyms Chalcosoma caucasus and Chalcosoma janssensi)
 * Chalcosoma moellenkampi
 * Chalcosoma engganensis