Bufo granulosus azarai Gallardo, 1965, Bull. Mus. Comp. Zool., 134: 120. Holotype: BMNH 1955.1.5.47, by original designation. Type locality: "Primavera, Upper Paraguay, Paraguay".
Rhinella azarai — Narvaes and Rodrigues, 2009, Arq. Zool., São Paulo, 40: 29.
None noted.
Lowlands of Posada, Misiones, Argentina, into adjacent western Mato Grosso, Brazil, Mato Grosso do Sul, and eastern Paraguay.
R.I. Crombie in Frost, 1985, Amph. Species World: 47, reported Rhinella azarai (as Bufo granulosus azarai) to approach Rhinella granulosa (as Bufo granulosus granulosus) without evidence of intergradation. Narvaes and Rodrigues, 2009, Arq. Zool., São Paulo, 40: 1-73, revised the Rhinella granulosa group, documented this species, and provided a species account. Brusquetti and Lavilla, 2006, Cuad. Herpetol., 20: 18, briefly discussed the range of Rhinella granulosa azarai (now Rhinella azarai) and Rhinella granulosa major (now Rhinella major) in Paraguay. Sugai, Souza, Uetanabaro, and Landgref, 2012, Herpetol. Rev., 43: 440, provided a record for Mato Grosso do Sul, Brazil, and commented on the range.
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