Brazil, French Guiana, Guyana, Suriname, Venezuela.
South-eastern Venezuela (Bolívar), the Guianas and north-eastern Amazonian Brazil (Amapá, Pará, and Amazonas north of R Amazon and east of lower R Negro).
 
Population
Estimated population is unknown (2010).
Black-throated Antshrike (Frederickena viridis) [XC271893]
by Peter Boesman from Brownsberg, Brokopondo, Suriname (song)
Black-throated Antshrike (Frederickena viridis) [XC272407]
by GABRIEL LEITE from Mozeskreek area, W Suriname, Suriname (song)
Subspecies
Genus presumed related to Thamnophilus on basis of external morphology, especially the strongly hooked bill, but supporting molecular or other evidence unavailable. Considered to form a superspecies with Undulated Antshrike (Frederickena unduliger).