South-eastern Amazonian Brazil, south of Amazon, from R Tapajós east to R Tocantins, south to north-eastern Mato Grosso. Considered by some authors to be a subspecies of Curve-billed Scythebill (Campylorhamphus procurvoides).
 
Subspecies
No subspecies.
Considered by some authors to be a subspecies of Curve-billed Scythebill (Campylorhamphus procurvoides).