. "Cinereous-breasted Spinetail" . . . . . . . . . "Synallaxis" . . . "Animalia" . "P. L. Sclater 1874" . "Chordata" . . "Synallaxis hypospodia P. L. Sclater 1874" . "Aves" . "Furnariidae" . "Passeriformes" . . "Synallaxis hypospodia" . .