This taxon is Not Recognised as a species by BirdLife International.
Lophoceros fasciatus and L. semifasciatus (del Hoyo and Collar 2014) were previously placed in the genus Tockus and lumped as T. fasciatus following Sibley and Monroe (1990, 1993).
BirdLife International (2016) Species factsheet: Tockus fasciatus. Downloaded from http://www.birdlife.org on 03/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 03/12/2016.