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Số người truy cập: 106,076,327

 A new species of the genus Oligodon Fitzinger, 1826 (Squamata: Colubridae) from Cu Lao Cham Islands, central Vietnam
Tác giả hoặc Nhóm tác giả: SANG NGOC NGUYEN, LUAN THANH NGUYEN, VU DANG HOANG NGUYEN, HOA THI PHAN, KE JIANG & ROBERT W. MURPHY
Nơi đăng: Magnolia Press; Số: Zootaxa 4286 (3);Từ->đến trang: 333-346;Năm: 2017
Lĩnh vực: Tự nhiên; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
A new kukri snake, Oligodon culaochamensis sp. nov., is described from Cu Lao Cham Islands, central Vietnam, basedon the morphology of six specimens, including two males, three females and one juvenile. The new species belongs to theO. cyclurus group and differs from other congeners in this group by a combination of the following characters: mediumsize in adults (total length up to 582 mm); 17–19 dorsal scale rows at neck and midbody and 15 or 17 rows before vent;tail length/total length ratio 0.218–0.219 in males and 0.166–0.169 in females; ventrals 167–169 in males and 179–182 infemales; subcaudals 63–66 in males and 51–52 in females; head scalation complete with a presubocular; 9–10 maxillaryteeth, the posterior three being enlarged; nasal divided; temporal streak absent; long and deeply forked hemipenes extendingto 20th subcaudal and without spines and papillae but with prominent diagonal ridge, oblique flounces and distal calyces;cloacal plate undivided; 10–11+3–4 dorsal blotches; and a vertebral stripe on tail and anterior part of body. This is thesecond species of Oligodon described on islands of Vietnam.
ABSTRACT
A new kukri snake, Oligodon culaochamensis sp. nov., is described from Cu Lao Cham Islands, central Vietnam, basedon the morphology of six specimens, including two males, three females and one juvenile. The new species belongs to theO. cyclurus group and differs from other congeners in this group by a combination of the following characters: mediumsize in adults (total length up to 582 mm); 17–19 dorsal scale rows at neck and midbody and 15 or 17 rows before vent;tail length/total length ratio 0.218–0.219 in males and 0.166–0.169 in females; ventrals 167–169 in males and 179–182 infemales; subcaudals 63–66 in males and 51–52 in females; head scalation complete with a presubocular; 9–10 maxillaryteeth, the posterior three being enlarged; nasal divided; temporal streak absent; long and deeply forked hemipenes extendingto 20th subcaudal and without spines and papillae but with prominent diagonal ridge, oblique flounces and distal calyces;cloacal plate undivided; 10–11+3–4 dorsal blotches; and a vertebral stripe on tail and anterior part of body. This is thesecond species of Oligodon described on islands of Vietnam.
[ 2017 - nguyen et al - oligodon culaochamensis from central vietnam.pdf ]
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