Bufo muelleri Boulenger, 1887, Ann. Mag. Nat. Hist., Ser. 5, 20: 52. Holotype: BMNH 1947.2.20.57 (formerly 87.4.12.18), according to Inger in Frost, 1985, Amph. Species World: 26. Type locality: "Mindanao, Philippine Islands".
Ansonia muelleri — Inger, 1954, Fieldiana, Zool., 33: 239.
Muller's Stream Toad (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 39).
Mountains of central and western Mindanao and Dinagat Island, Philippines (see comment).
See Ross and Lazell, 1990, Philipp. J. Sci., 119: 259, for report of material from Dinagat I. See comment under Ansonia mcgregori. See account by Inger, 1954, Fieldiana, Zool., 33: 242-247. See photograph, map, description of geographic range and habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 158. Sanguila, Siler, Diesmos, Nuņeza, and Brown, 2011, Mol. Phylogenet. Evol., 61: 333-350, reported on the phylogeography of this species in Mindanao, noting at least four unnamed lineages, which to be named will require a restriction in type locality inasmuch as the species does not seem to be morphologically distinguishable.
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