The casque-headed lophyohyline genus Nyctimantis is widespread in South America, being composed of seven species. A recent molecular and morphological review of the genus found some undescribed species, one of which, from the Brazilian Cerrado, is described in this paper. It is distinguished by its relatively small to medium size, skull without expanded maxillae, paired vocal sacs, toe I without webbing, dark-brown dorsal coloration without longitudinal stripes, and dark-red to brown iris. The new species is the only in the genus occurring in the Brazilian Cerrado, inhabiting swampy forests.

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© 2024 by The Herpetologists' League, Inc.
2024
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