(syn. Colluricincla Ϯ Sandstone Shrike-thrush C. woodwardi) Gr. αλφα alpha first; genus Colluricincla Vigors & Horsfield, 1827, shrike-thrush (cf. Mod. L. cinclus thrush); "ALPHACINCLA gen. nov. Type Colluricincla woodwardi Hartert. Differs from Colluricincla Vigors and Horsfield in having a flat head and a long thin bill equal to the length of the head; lower bill with wide inter-ramal space; nostrils in a groove with no feathers" (Mathews 1914).