"Thamnophilidae" .
"Western Slaty-Antshrike" .
"Thamnophilus atrinucha" .
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"Aves" .
"Animalia" .
"Chordata" .
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"Thamnophilus atrinucha Salvin and Godman 1892" .
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"Salvin and Godman 1892" .
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"Passeriformes" .
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"Thamnophilus" .