Naming
The grey-bellied antbird was originally described by the English zoologist Philip Sclater in 1890 and given the binomial name "Myrmeciza pelzelni". The specific epithet was chosen to honour the Austrian ornithologist August von Pelzeln. A molecular phylogenetic study published in 2013 found that the genus "Myrmeciza" was polyphyletic. In the resulting rearrangement to create monophyletic genera the grey-bellied antbird was moved to its own genus "Ammonastes". The name of the genus combines the Ancient Greek words "ammos" "sand" and "nastes" "inhabitant" as the grey-bellied antbird occurs in vegetation growing on sandy soil.References:
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