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Hypselotriton (Hakkatriton) orphicus

Year: 2024
Type: other
Abstract: Hypselotriton (Hakkatriton) orphicus (Risch, 1983) Pachytriton brevipes (Sauvage, 1876) – Pope and Boring (1940); Gressitt (1941) Cynops shataukokensis Freytag & Eberhardt, 1977 – Freytag (1979) Cynops orphicus Risch, 1983 – Risch (1983); Fei et al. (2006, 2012); Fei and Ye (2016) Hypselotriton (Pingia) orphicus – Dubois and Raffaëlli (2009) Hypselotriton (Cynotriton) orphicus – Dubois and Raffaëlli (2011) Cynops glaucus Yuan, Jiang, Ding, Zhang & Che, 2013 syn. nov. – Yuan et al. (2013, 2022); Fei and Ye (2016); Lyu et al. (2023 a) Hypselotriton (Cynotriton) glaucus – Raffaëlli (2022) Type. Holotype. China • ♂; Guangdong Province, Shantou Region [now belonging to Jieyang City, Jiexi County], Tai-Yong [Dayang Township]; 23 ° 35 ' N, 115 ° 51 ' E [= 23.58 ° N, 115.85 ° E; located in Liangtian Township, see remarks below], 640 m elev.; 4 Aug. 1936; JL Gressitt leg.; SYS 22474. Paratypes. China • 97 adult specimens; same data as for holotype; SYS 22416 –73, 22475 –506 [90 specimens], MNHN 1980.4096 – 4098 [3 specimens, formerly SYS 24134 –36], AMNH 46174, CAS 78704, 2 unnumbered specimens in the Department of Biology, Yenching University [probably lost according to Risch (1983)]. Examined specimens. China • 4 ♂♂; Guangdong Province, Jieyang City, Jiexi County, Mt Dabei; 23.55 ° N, 115.89 ° E, ca. 490 m elev.; GEP a 008, 010–011, CIB 121434 • 2 ♀♀; same data as for preceding; GEP a 009, CIB 121435 • 2 ♂♂; Guangdong Province, Meizhou City, Fengshun County, Mt Hongtuzhang; 23.78 ° N, 115.96 ° E, ca. 1200 m elev.; GEP a 263 –264 • 3 ♂♂; Guangdong Province, Meizhou City, Fengshun County, Mt Shijiadong; 23.81 ° N, 116.33 ° E, ca. 1140 m elev.; GEP a 314 –316 • 3 ♀♀; same data as for preceding; GEP a 317 –319. Referred specimens. Seven specimens labelled as “ Cynops glaucus ” in Lyu et al. (2023 a). China • 2 ♀♀; Guangdong Province, Jieyang City, Jiexi County, Mt Dabei; SYS a 000729, 8511 • 1 ♂; Guangdong Province, Jieyang City, Jiexi County, Mt. Liwangzhang; 23.64 ° N, 115.81 ° E, ca. 990 m elev.; SYS a 008602 • 1 ♀; same data as for preceding; SYS a 008601 • 2 ♀♀; Guangdong Province, Meizhou City, Fengshun County, Mt. Tongguzhang; 24.18 ° N, 116.35 ° E, ca. 1500 m elev.; SYS a 000730, 4743 • 1 ♀; same data as for preceding; SYS a 000731. Etymology. The specific name orphicus is derived from the Greek legendary musician and poet Orpheus, in memory of several people who passed away in 1982 (Risch 1983). Common name. Dayang Fire-bellied Newt (in English) / cháo shàn róng yuán (潮汕蝾螈 in Chinese). Revised diagnosis. (1) small body size, TOL 68.5–77.0 mm in adult males, 85.1–99.7 mm in adult females; (2) parotoid gland inconspicuous; (3) postocular orange spot absent; (4) surface smooth, finely granulated, gular fold absent; (5) continuous vertebral ridge weak and inconspicuous; (6) fingers and toes overlapping when fore-limb and hind-limb adpressed towards each other along body; (7) ground colour dark brown to olive brown, with irregular greyish-blue patches on dorsum and lateral tail in breeding males and females; (8) lateral tail with black spots; (9) ground colour of venter dark brown with irregular bright orange patches, bright orange blotches on chin, ventral limbs and cloaca; (10) ventral tail with a bright orange stripe. Description of new specimens. Body slender and small-sized, TOL 68.5–77.0 mm in adult males, 85.1–99.7 mm in adult females, with detailed measurements listed in Table 2. Head oval in dorsal view; snout truncate, projecting slightly beyond mandible; nostril small, but conspicuous; labial fold developed on posterior part of upper jaw; tongue elongate, enlarged anteriorly, with free lateral margin; vomerine tooth patch “ ^ ” - shaped; eye small, not extending beyond lateral margins of head; an inconspicuous longitudinal ridge found posterior to each eye; parotoid gland inconspicuous, gill remnants absent; gular fold absent. Surface smooth, finely granular; a few inconspicuous longitudinal wrinkles present on chin; continuous vertebral ridge weak and inconspicuous; cloacal opening oval, slightly protruding. Limbs slender, fingers and toes overlapping when fore-limb and hind-limb adpressed towards each other along body; four fingers and five toes, slender and elongated, lack webbing; relative length of fingers I <IV <II <III; relative length of toes I <V <II <IV
DOI: 10.5281/zenodo.13322669
Language: English
Open Access status: green
OpenAlex ID: W6893030403
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