Naming
The English zoologist Philip Sclater described the white-cheeked antbird in 1855 and coined the binomial name "Myrmeciza leucaspis". It is now placed in the genus "Gymnopithys" which was introduced by the French ornithologist Charles Lucien Bonaparte in 1857.There are four subspecies:
⤷ "G. l. leucaspis" – east Colombia
⤷ "G. l. castaneus" Zimmer, JT, 1937 – east Ecuador and northeast Peru
⤷ "G. l. peruanus" Zimmer, JT, 1937 – north Peru
⤷ "G. l. lateralis" Todd, 1927 – northwest Amazonian Brazil
The white-cheeked antbird was formerly considered as conspecific with the bicolored antbird. They were split into separate species based on the results of a 2007 genetic study that found that the white-cheeked antbird was more similar to the rufous-throated antbird than it was to the bicolored antbird.
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