. "Macrosphenus" . . . . . "Aves" . . . "Animalia" . "Macrosphenus kretschmeri" . "Kretschmer's Longbill" . . . . . . "Chordata" . "Sylviidae" . . . "(Reichenow and Neumann 1895)" . "Macrosphenus kretschmeri (Reichenow and Neumann 1895)" . "Passeriformes" .