Uperodon Duméril and Bibron, 1841, Erp. Gen., 8: 48, 746. Type species: Engystoma marmoratum Guérin-Méneville, 1838 (= Rana systoma Schneider, 1799), by monotypy.
Hyperodon — Jerdon, 1854 "1853", J. Asiat. Soc. Bengal, 22: 533. Incorrect subsequent spelling.
Cacopus Günther, 1864, Rept. Brit. India: 415. Substitute name for Uperodon Duméril and Bibron, 1841.
Pachybatrachus Keferstein, 1868, Arch. Naturgesch., 34: 273. Type species: Pachybatrachus petersii Keferstein, 1868, by monotypy. Also described as new by by Keferstein, 1868, Nachr. Ges. Wiss. Göttingen, 1868: 326. Synonymy by Boulenger, 1882, Cat. Batr. Sal. Coll. Brit. Mus., Ed. 2: 174. Synonymy disputed by Böhme and Bischoff, 1984, Bonn. Zool. Monogr., 19: 183. Zweifel, 1985, Bull. Am. Mus. Nat. Hist., 182: 273-274, reinstated the synonymy. See Tyler, 1986, Trans. R. Soc. S. Aust., 110: 91-92.
Globular Frogs (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 93).
Balloon Frogs (Ananjeva, Borkin, Darevsky, and Orlov, 1988, Dict. Amph. Rept. Five Languages: 102).
Pakistan, India, Bangladesh, and Sri Lanka.
Formerly in the Old World component of Microhylinae; Frost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 297: 225, removed Uperodon from any subfamily pending resolution of its phylogenetic placement. Van Bocxlaer, Roelants, Biju, Nagaraju, and Bossuyt, 2006, PLoS One, 1: 1-6, transferred Uperodon to Microhylinae and suggested that it is the sister taxon of Ramanella. Pyron and Wiens, 2011, Mol. Phylogenet. Evol., 61: 543-583, in their study of Genbank sequences, confirmed this conclusion.
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