Breviceps macrodactylus Nieden, 1926, Das Tierreich, 49: 6. Syntypes: ZMB 11362 (2 specimens), according to Parker, 1934, Monogr. Frogs Fam. Microhylidae: 185. Also including ZMB 11368 (2 specimens), according to Bauer, Günther, and Robeck, 1996, Mitt. Zool. Mus. Berlin, 72: 261, who provided a discussion of the nomenclatural history. Type locality: Usambara [Tanzania] (Ostafrika), according to the original description; Amani [ZMB 11362, Tanzania]; Buloa bei Tanga [ZMB 11368, Tanzania].
Breviceps usambaricus Barbour and Loveridge, 1928, Mem. Mus. Comp. Zool., 50: 251. Holotype: MCZ 13711, according to Barbour and Loveridge, 1929, Bull. Mus. Comp. Zool., 69: 230, and Bauer, Günther, and Robeck, 1996, Mitt. Zool. Mus. Berlin, 72: 261). Type locality: "on the forest outskirts within a mile of the Research Institute, Amani, Usambara Mountains, Tanganyika Territory [= Tanzania]". Synonymy by Parker, 1934, Monogr. Frogs Fam. Microhylidae: 184.
Probreviceps macrodactylus macrodactylus — Parker, 1931, Ann. Mag. Nat. Hist., Ser. 10, 8: 263.
Usambara Big-fingered Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 92).
East and West Usambara, Uluguru, Nguru, and Udzungwa Mountains, eastern Tanzania, 900-2100 m elevation.
Channing and Howell, 2006, Amph. E. Afr.: 231-232, and Pickersgill, 2007, Frog Search: 58, provided accounts. 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: 458. Menegon, Doggart, and Owen, 2008, Acta Herpetol., Firenze, 3: 107-127, provided a record for the Nguru Mountains of eastern Tanzania and suggested that previous records from the North Pare mountains was based on misidentifications.
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