| Hexarthrius | |
|---|---|
 | |
| Male (foreground) and female Hexarthrius parryi. The male is 70 mm (2.8 in) long. | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Polyphaga |
| Infraorder: | Scarabaeiformia |
| Family: | Lucanidae |
| Tribe: | Lucanini |
| Genus: | Hexarthrius Hope, 1842 |
| Type species | |
| Hexarthrius parryi Hope, 1842 | |
Hexarthrius, from Ancient Greek ἕξ (héx), meaning "six", ἄρθρον (árthron), meaning "joint", and the Latin suffix '-ius', is a genus of large stag beetles. They are also known as fork horned stag beetles for the shape for their mandibles It includes the following species:
- Hexarthrius aduncus Jordan & Rothschild, 1894
- Hexarthrius andreasi Schenk, 2003
- Hexarthrius bowringii Parry, 1862
- Hexarthrius buquettii (Hope, 1843)
- Hexarthrius davisoni Waterhouse, 1888
- Hexarthrius forsteri (Hope, 1840)
- Hexarthrius howdeni De Lisle, 1972
- Hexarthrius kirchneri Schenk, 2003
- Hexarthrius mandibularis Deyrolle, 1881
- Hexarthrius melchioritis Séguy, 1954
- Hexarthrius mniszechi (Thomson, 1857)
- Hexarthrius nigritus Lacroix, 1990
- Hexarthrius parryi Hope, 1842
- Hexarthrius rhinoceros (Olivier, 1789)
- Hexarthrius vitalisi Didier, 1925
