Children (9 direct children, 9 direct and indirect children):
Thamnophilus caerulescens cearensis
Thamnophilus caerulescens pernambucensis
Thamnophilus caerulescens melanchrous
Thamnophilus caerulescens aspersiventer
Thamnophilus caerulescens dinellii
Thamnophilus caerulescens paraguayensis
Thamnophilus caerulescens gilvigaster
Thamnophilus caerulescens caerulescens
Thamnophilus caerulescens ochraceiventer