Duttaphrynus pageoti (Bourret, 1937)

Class: Amphibia > Order: Anura > Family: Bufonidae > Genus: Duttaphrynus > Species: Duttaphrynus pageoti

Bufo pageoti Bourret, 1937, Annexe Bull. Gen. Instr. Publique, Hanoi, 1937: 9. Holotype: MNHNP 1948.125 (formerly LZUH B-145), according to Guibé, 1950 "1948", Cat. Types Amph. Mus. Natl. Hist. Nat.: 14. Type locality: "Fan-Si-Pan (2500 m)", Lao Cai Province, Vietnam.

Bufo burmanus Andersson, 1939 "1938", Ark. Zool., 30(23): 6. Syntypes: NHMG (5 specimens), by original designation; NHMG 1862.1 designated lectotype by Dubois and Ohler, 1999, J. South Asian Nat. Hist., 4: 163. Type locality: "Kambaiti", northeastern Myanmar; elsewhere in the publication noted as "surrounding of the little village of Kambaiti, situated in N. East Burma near the border of China in a highland 2,000 m above the sea level". Synonymy by Dubois and Ohler, 1999, J. South Asian Nat. Hist., 4: 162.

Bufo burmanusLiu, Lathrop, Fu, Yang, and Murphy, 2000, Mol. Phylogenet. Evol., 14: 433.

Phrynoidis burmanusFei, Ye, Huang, Jiang, and Xie, 2005, in Fei et al. (eds.), Illust. Key Chinese Amph.: 95.

"Bufo" pageotiFrost, 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: 364. Excluded from Bufo and unassigned to genus.

Torrentophryne burmanusYang, 2008, in Yang and Rao (ed.), Amph. Rept. Yunnan: 56. Gender disagreement. 

Torrentophryne pageotiYang, 2008, in Yang and Rao (ed.), Amph. Rept. Yunnan: 61.

Bufo (Bufo) pageotiDubois and Bour, 2010, Zootaxa, 2447: 24.

Duttaphrynus pageoti — Liedtke, Müller, Rödel, Menegon, Gonwouo, Barej, Gvoždík, Schmitz, Channing, Nagel, and Loader, 2016, Evolution, 70: 1717–1733, Supporting Inform. S4. 

English Names

Tonkin Toad (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 43).

Burma Toad (Bufo burmanus [no longer recognized]: Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 40).

Burman Toad (Bufo burmanus [no longer recognized]: Fei, 1999, Atlas Amph. China: 126).

Distribution

Known from distantly allopatric populations: Mountains of north-eastern and western Myanmar, western and south-central Yunnan, China, into northern montane Vietnam (Lao Cai, Nghe An, Ha Tinh, and Quang Nam provinces), 1900–2500 m elevation. Expected in adjacent Laos. 

Comment

See account by Bourret, 1942, Batr. Indochine: 170–172, and Dubois and Ohler, 1999, J. South Asian Nat. Hist., 4: 133–180 (who placed it in their Bufo stejnegeri group). See comment under Bufo burmanus. Liu, Lathrop, Fu, Yang, and Murphy, 2000, Mol. Phylogenet. Evol., 14: 433, noted that Bufo pageoti is most closely related to species formerly placed in Torrentophryne. Bufo burmanus was placed in the Bufo melanostictus group (now Duttaphrynus) according to Inger, 1985, in Frost (ed.), Amph. Species World: 38, this disputed by Dubois and Ohler, 1999, J. South Asian Nat. Hist., 4: 136 (who retained it in Bufo), both assignments based apparently on perceptions of overall similarity. Subsequently Bufo burmanus was placed in the Bufo cryptotympanus group (= Bufo stejnegeri group of Dubois and Ohler, 1999, J. South Asian Nat. Hist., 4: 133–180) according to Hu, Jiang, and Tian, 1984, Acta Herpetol. Sinica, Chengdu, N.S.,, 3 (1): 77–85. Yang, 1991, Amph. Fauna of Yunnan: 97–98, and Fei, 1999, Atlas Amph. China: 126–127, provided a brief account, figure, and map. 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, suggested that this species is not a member of the monophyletic taxon Bufo (the former Bufo bufo group), but could not allocate this species to any of the other genera either, instead leaving this species in a non-taxon "Bufo" which they denoted as non-monophyletic by placing the name in quotation marks. Yang, 2008, in Yang and Rao (ed.), Amph. Rept. Yunnan: 56–57, provided a brief account (as Torrentophryne burmanus) for Yunnan, China. See statement of geographic range, habitat, and conservation status in Stuart, Hoffmann, Chanson, Cox, Berridge, Ramani, and Young, 2008, Threatened Amph. World: 611. Fei, Hu, Ye, and Huang, 2009, Fauna Sinica, Amph. 2: 580–585, provided an account (as Torrentophryne burmana) and spot map. Fei, Ye, and Jiang, 2010, Colored Atlas of Chinese Amph.: 208–209, provided a brief account (as Torrentophryne burmanus) including photographs. Fei, Ye, and Jiang, 2012, Colored Atlas Chinese Amph. Distr.: 271, provided an account (as Torrentophryne burmanus), photographs, and range map for China. Fei and Ye, 2016, Amph. China, 1: 811–802, provided an account, photographs, and spot map for China, as Torrentophryne burmanus, without addressing the earlier synonymy with Bufo pageoti. Liedtke, Müller, Rödel, Menegon, Gonwouo, Barej, Gvoždík, Schmitz, Channing, Nagel, and Loader, 2016, Evolution, 70: 1717–1733, Supporting Inform. S4, placed this species within the Duttaphrynus clade, as did Othman, Chen, Chuang, Andersen, Jang, and Borzée, 2020, Animals, 10 (1157) : 1–24 (see figure 2); the identifications of these samples (CAS 233251 and KU 183330, respectively) are suspect according to N. Poyarkov (personal commun.), which bears on the generic assignment. 

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