This taxon is Not Recognised as a species by BirdLife International.
Campethera bennettii and C. scriptoricauda (del Hoyo and Collar 2014) were previously lumped as C. bennettii following Dowsett and Forbes-Watson (1993). Prior to that they had been split following Sibley and Monroe (1990, 1993).
BirdLife International (2016) Species factsheet: Campethera bennettii. Downloaded from http://www.birdlife.org on 06/12/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 06/12/2016.