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