| Book name (en) | A Monograph of the Trochilidae,or Family of Humming-birds |
| Book volume | Vol.4 |
| Identifier | 4-9 |
| Gould Scientific name | Heliactin cornuta |
| Scientific name | Heliactin bilophus |
| Gould name (en) | Sun Gem |
| Name (en) | Horned Sungem |
| Order | APODIFORMES |
| Family | Trochilidae |
