(FR) André Jean François Marie Brochant de Villers, Alexandre Brongniart e Pierre Jean François Turpin, Dictionnaire des sciences naturelles, Levrault, 1818, p. 349.
(EN) F. Gill e D. Donsker (a cura di), Family Coraciidae, in IOC World Bird Names (ver 9.2), International Ornithologists’ Union, 2019. URL consultato il 3 agosto 2019.