Naming
The white-shouldered antbird was described and illustrated by the German naturalist Johann Baptist von Spix in 1825 and given the binomial name "Thamnophilus melanoceps". It was subsequently moved to the genus "Myrmeciza". A molecular phylogenetic study published in 2013 found that "Myrmeciza" was polyphyletic. In the resulting rearrangement to create monophyletic genera this species was moved to the resurrected genus "Akletos" which had been introduced by the Polish ornithologist Andrzej Dunajewski in 1948.References:
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