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Melanophryniscus
genus, frogs & toads
Nucleotide Protein
Anura
(frogs and toads), order, frogs & toads
Leptodactylidae
(southern frogs), family, frogs & toads
Lepidobatrachus
(Paraguay horned frogs), genus, frogs & toads
Bufonidae
(true toads), family, frogs & toads
Ranidae
(riparian frogs), family, frogs & toads
Neobatrachia
suborder, frogs & toads
Hyloidea
superfamily, frogs & toads
Pelobatoidea
Ceratophrys
(horned frogs), genus, frogs & toads
Ranoidea
Dendrobatidae
(dart-poison frogs), family, frogs & toads
Dendrobates
Leptodactylus
Leptodactylinae
subfamily, frogs & toads
Aquarana
Megophryidae
family, frogs & toads
Lithobates
Ceratophryinae
Megophrys
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