Leptobrachium montanum Fischer, 1885, Arch. Naturgesch., 51: 44. Holotype: BMNH 1947.2.5 (according to Inger, Stuebing, and Tan, 1995, Raffles Bull. Zool., 43: 125). Type locality: "Pramassan-Alai Gebirge", southeastern Borneo [Indonesia].
Leptobrachium montanum — Dring, 1982, in Anderson et al. (eds.), Gunung Mulu National Park: 293.
Leptobrachium (Leptobrachium) montanum — Inger, 1983, in Rhodin and Miyata (eds.), Adv. Herpetol. Evol. Biol.: 16. Dubois and Ohler, 1998, Dumerilia, 4: 25; Delorme, Dubois, Grosjean, and Ohler, 2006, Alytes, 24: 12.
Mountain Spadefoot Toad (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 86).
Mountain Litter Frog (Das, 2007, Amph. Rept. Brunei: 34).
Montane Sabah and Sarawak (Malaysia), Brunei (Labi), and Kalimantan (Indonesia), Borneo.
Removed from the synonymy of Leptobrachium hasseltii by Dring, 1982, in Anderson et al. (eds.), Gunung Mulu National Park: 345. ., and Inger, 1983, in Rhodin and Miyata (eds.), Adv. Herpetol. Evol. Biol.: 16, where it had been placed by Boulenger, 1886, Zool. Rec., 22: 24; Boulenger, 1889, Ann. Mus. Civ. Stor. Nat. Genova, Ser. 2, 7: 750. See discussion in Inger, Stuebing, and Tan, 1995, Raffles Bull. Zool., 43: 123-125, for discussion of nomenclatural assignment. See brief account and photo by Manthey and Grossmann, 1997, Amph. Rept. Südostasiens: 72-73. Malkmus, Manthey, Vogel, Hoffmann, and Kosuch, 2002, Amph. Rept. Mount Kinabalu: 95-97, provided an account. Das, 2007, Amph. Rept. Brunei: 34, provided a photograph and a brief account. Matsui, Hamidy, Murphy, Khonsue, Yambun, Shimada, Norhayati, Daicus, and Jiang, 2010, Mol. Phylogenet. Evol., 56: 259-272, provided molecular evidence that nominal Leptobrachium montanum is a composed of more than one lineage. Hamidy, Matsui, Shimada, Nishikawa, Yambun, Sudin, Kusrini, and Kurniati, 2011, Mol. Phylogenet. Evol., 61: 904-913, suggested that Leptobrachium is a complex of species interdigitated phylogenetically with other lineages currently assigned to Leptobrachium abbottii, Leptobrachium gunungense, Leptobrachium tagbanorum, and Leptobrachium mangyanorum. These are: (1) a population in southern Kalimantan (which takes the name Leptobrachium montanum); (2, 3) two lineages in Sarawak; (4) a lineage in eastern Kalimantan; (5) a lineage in Sabah.
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