Hypselotriton (Hakkatriton), Wang & Zeng & Wei & Lyu, 2024

Wang, Jian, Zeng, Zhao-Chi, Wei, Tian-Li & Lyu, Zhi-Tong, 2024, Taxonomic determination of Hypselotriton populations distributed in eastern Guangdong, China (Caudata, Salamandridae), with description of a new species and a new subgenus, Zoosystematics and Evolution 100 (3), pp. 1121-1134 : 1121-1134

Subgenus Hakkatriton subgen. nov.

Type species.

Cynops orphicus Risch, 1983 , by present designation.

Etymology.

The nomen of Hakkatriton subgen. nov. is derived from Hakka, referring to its distribution in northern and eastern Guangdong where is the settlement of Hakka people and generic nomen Triton Laurenti, 1768.

Diagnosis.

(1) small size; (2) gular fold absent; (3) mid-dorsal vertebral ridge continuous; (4) metacarpal and metatarsal tubercles on external side of hands and feet absent; (5) postocular orange spot absent; (6) blue lateral stripe on tail in breeding males absent; (7) irregular greyish-blue patches on dorsum and lateral tail in breeding males and females present.

Content.

Two species distributed in isolated regions in northern and eastern Guangdong in southern China, respectively (Fig. 1 ).

Figures

Figure 1. Map showing the localities for congeners of genus Hypselotriton from Southeast Chinese Hilly Area. Inset map on top left zooms in eastern Guangdong Province, showing the localities for H. (Cynotriton) oolong sp. nov. and H. (Hakkatriton) orphicus: 1. Mt Fenghuang, Chao’an District, Chaozhou City (type locality of H. oolong sp. nov.); 2. Dayang Township, Jiexi County, Jieyang City (purported type locality of H. orphicus; see Remarks in the species account for locality delimitation); 3. Liangtian Township, Jiexi County (type locality of H. orphicus according to the original coordinate); 4. Mt Dabei, Jiexi County; 5. Mt Liwangzhang, Jiexi County; 6. Mt Hongtuzhang, Fengshun County, Meizhou City; 7. Mt Tongguzhang, Fengshun County; 8. Mt Shijiadong, Fengshun County; 9. Meiguang Village, Mt Lianhua, Wuhua County, Meizhou City (type locality of H. glaucus syn. nov.). The map is derived from Tianditu (www. tianditu. gov. cn).