(syn. Tockus Ϯ Monteiro's Hornbill T. monteiri) Gr. νοτος notos  south; genus Tockus Lesson, 1830, hornbill; "Nototockus gen. nov., type Toccus monteiri Hartlaub: bill still longer than in Xanthorhynchus, but not so conspicuously arched; tomia not normally toothed; casque in the form of a high ridge, extending nearly to the end of the bill and marked off by a deep groove, above which the casque has several more or less shallow grooves; length of the culmen three times the height at the nostril; tail much longer than the wing." (A. Roberts 1922).

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 16 December 2018).