NamingThe black-striped capuchin has traditionally been considered a subspecies of the tufted capuchin. On the contrary, the southern population here included in "S. libidinosus" has sometimes been considered another species, Azaras's capuchin.
Groves recognizes four subspecies:
⤷ "Cebus libidinosus libidinosus"
⤷ "Cebus libidinosus pallidus"
⤷ "Cebus libidinosus paraguayanus"
⤷ "Cebus libidinosus juruanus"
In 2011, Jessica Lynch Alfaro et al. proposed that the robust capuchins such be placed in a separate genus, "Sapajus", from the gracile capuchins, which retain the genus "Cebus".
DistributionThe black-striped capuchin is found in the Caatinga, Cerrado, and Pantanal of Brazil. Some confusion surrounds the taxon "juruanus", here included as a subspecies of the black-striped capuchin. It has been considered to occur from the upper Juruá River east and south to Mato Grosso, or alternatively entirely restricted to the region near the upper Juruá River. In the latter case, its range would be surrounded by "C. apella", leading to doubts over its true taxonomic status.
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