- Zimmer, John Todd (1941). "Studies of
Peruvian birds. No. 38, The
genera Oreotriccus, Tyrannulus, Acrochordopus, Ornithion, Leptopogon, Mionectes, Pipromorpha...
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Pogonotriccus plumbeiceps. It was
moved to
genus Oreotriccus in the
early twentieth century, and
Oreotriccus was then
merged into
Phyllomyias following a...
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Phyllomyias griseocapilla. It was
moved to
genus Oreotriccus in the
early twentieth century, and
Oreotriccus was then
merged into
Phyllomyias following a...