Ceratophrys cranwelli Barrio, 1980, Physis, Buenos Aires, 39: 22. Holotype: CHINM 7195, by original designation; now in MACN. Type locality: "Gramilla, Santiago del Estero", Argentina.
Ceratophrys (Ceratophrys) cranwelli — Lynch, 1982, Syst. Zool., 31: 166-179.
Cranwell's Horned Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 71).
Argentina Horned Frog (Trade name).
Chacoan region of Argentina, Bolivia, Brazil, and Paraguay.
Formerly considered a synonym of Ceratophrys ornata, with which it is parapatric. Cei, 1987, Monit. Zool. Ital., N.S., Suppl., 21: 220-222, discussed this taxon in comparison with Ceratophrys ornata, with which it had been synonymized. Brusquetti and Lavilla, 2006, Cuad. Herpetol., 20: 15, briefly discussed the range in Paraguay.
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