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Cranial morphology and karyotypic analysis of Ceratophrys joazeirensis (Anura: Ceratophryidae, Ceratophrynae): taxonomic considerations

. Zootaxa. 1320, 1 (Sep. 2006), 57–68. DOI:https://doi.org/10.11646/zootaxa.1320.1.6.