Rough distribution of the taxa in the flaviscapis complex based on Reddy, Sushma (2008). "Systematics and biogeography of the shrike-babblers (Pteruthius): Species limits, molecular phylogenetics, and diversification patterns across southern Asia.". Molecular Phylogenetics and Evolution 47: 54-72. &amp;  (1968). "Notes on Thai Birds. 1. On a small collection of birds from in or near Nakhorn Ratchasima province, Eastern Thailand". Nat. Hist. Bull. Siam Soc. 22: 307–315.

Pteruthius aeralatus
Pteruthius annamensis
Pteruthius cameranoi =  Pteruthius aeralatus cameranoi
Pteruthius flaviscapis
Pteruthius ricketti = Pteruthius aeralatus ricketti
Pteruthius ripleyi
Pteruthius robinsoni = Pteruthius aeralatus robinsoni
Pteruthius schauenseei = Pteruthius aeralatus schauenseei
Pteruthius validirostris = Pteruthius aeralatus validirostris
Own work
Shyamal