We redescribe Proceratophrys cristiceps and describe two new allied species, constituting the northernmost record of that group for the Atlantic Forest remnants. In addition to the morphometric differences, the characteristics of size, snout shape, head width, tympanum, interocular transverse crest of tubercles, canthal crest, frontoparietal crest, outer metacarpal tubercle, webbing formulae, inner metacarpal tubercle, and blotches on venter, were used to diagnose the species. The distribution of P. cristiceps is restricted to eastern Brasil, from the state of Rio Grande do Norte to the state of Bahia, and both new species are only known from the type locality in the state of Ceará.
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