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) [XC272407]
by GABRIEL LEITE from Mozeskreek area, W Suriname, Suriname (song)
Black-throated Antshrike (Frederickena viridis) [XC391065]
by Matheus Fernandes Moraes Silva from Close to Ramal do Pau Rosa, Manaus, Amazonas, Brazil (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).