« <i>Conopophaga ruficeps</i> » = <i>Conopophaga melanops perspicillata</i> (Subspecies of <a href="https://en.wikipedia.org/wiki/Black-cheeked_Gnateater" class="extiw" title="en:Black-cheeked Gnateater">Black-cheeked Gnateater</a>) - female
William Swainson (1789-1855)
1841
<a rel="nofollow" class="external text" href="https://archive.org/stream/selectionofbirds00swai#page/n281/mode/2up">A selection of the birds of Brazil and Mexico</a>