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• Arifin U, Chan KO, Smart U, Hertwig ST, Smith EN, Iskandar DT, Haas A. 2021. Revisiting the phylogenetic predicament of the genus Huia (Amphibia: Ranidae) using molecular data and tadpole morphology. Zoological Journal of the Linnean Society. zlaa158.

• Arifin U, Smart U, Hertwig ST, Smith EN, Iskandar DT, Haas A. 2018. Molecular phylogenetic analysis of a taxonomically unstable ranid from Sumatra, Indonesia, reveals a new genus with gastromyzophorous tadpoles and two new species. Zoosystematics and Evolution. 94(1):163-193.

• Arifin U, Cahyadi G, Smart U, Jankowski A, Haas A. 2018. A new species of the genus Pulchrana Dubois, 1992 (Amphibia: Ranidae) from Sumatra, Indonesia. Raffles Bulletin of Zoology. 66: 277-299.

• Frost DR, Grant T, Faivovich J, Bain RH, Haas A, Haddad CF, De Sa RO, Channing AL, Wilkinson MA, Donnellan SC, Raxworthy CJ. 2006. The amphibian tree of life. Bulletin of the American Museum of Natural History. 2006(297):1-291.

• Harvey MB, Pemberton AJ, Smith EN. 2002. New and poorly known parachuting frogs (Rhacophoridae: Rhacophorus) from Sumatra and Java. Herpetological Monographs. 16: 46-92.

• Kaprawi F, Alhadi F, Hamidy A, Nopandry B, Kirschey T, Permana J. 2020. Panduan Lapangan Amfibi di Taman Nasional Batang Gadis Sumatera Utara. Medan: Perkumpulan Amfibi Reptil Sumatra (ARS).

• Quah ESH, Grismer LL, Wood Jr PL, Lim KK, Imbun PY, Anuar MS. 2021. An investigation into the taxonomy of Abavorana luctuosa (Peters, 1871)(Anura, Ranidae) and the resurrection of Rana decorata Mocquard, 1890 from Borneo. Vertebrate Zoology. 71: 75-99.

• Sarker GC, Wostl E, Thammachoti P, Sidik I, Hamidy A, Kurniawan N, Smith EN. 2019. New species, diversity, systematics, and conservation assessment of the Puppet Toads of Sumatra (Anura: Bufonidae: Sigalegalephrynus). Zootaxa. 4679(2): 365-391.

• Smart U, Sarker GC, Arifin U, Harvey MB, Sidik I, Hamidy A, Kurniawan N, Smith EN. 2017. A new genus and two new species of arboreal toads from the highlands of Sumatra with a phylogeny of Sundaland toad genera. Herpetologica. 73(1): 63-75.

• Teynié A, David P, Ohler A. 2010. Note on a collection of amphibians and reptiles from western Sumatra (Indonesia), with the description of a new species of the genus Bufo. Zootaxa. 2416: 1-43.

• Wostl E, Riyanto A, Hamidy A, Kurniawan N, Smith EN, Harvey MB. 2017. A taxonomic revision of the Philautus (Anura: Rhacophoridae) of Sumatra with the description of four new species. Herpetological Monographs. 31(1): 98-141.

• Yang DT, 1991. Phylogenetic systematics of the Amolops group of ranid frogs of southeastern Asia and the Greater Sunda Islands. Fieldiana. Zoology. New Series 63: 1-42.