Opisthotropis shenzhenensis WANG, GUO, LIU, LYU, WANG, LUO, SUN & ZHANG, 2017
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Opisthotropis shenzhenensis
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| Higher Taxa | Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Shenzhen Mountain Stream Snake Chinese: Shenzhen Hou Leng She |
| Synonym | Opisthotropis shenzhenensis WANG, GUO, LIU, LYU, WANG, LUO, SUN & ZHANG 2017 |
| Distribution | China (Guangdong) Type locality: Mt. Wutong (22°34′54.8′′N, 114°12′2.7′′E; 260 m a.s.l.), Shenzhen City, Guangdong Province, China |
| Reproduction | |
| Types | Holotype: SYS r001018, adult male, collected by Jian Zhao and Run-Lin Li on 15 September, 2014. Paratypes: SYS r000635, an adult male, collected by JHY and RLL on 11 April, 2012 from the same locality as the holotype. Three adult female specimens: SYS r000636 collected by JHY and RLL on 11 April, 2012 from the same locality as the holotype; SYS r001021 collected by JZ and RLL on 17 September, 2014 from Sanzhoutian (22°38′52.16′′N, 114°16′32.08′′E; 314 m a.s.l.), Shenzhen City; SYS r001032 collected by JZ and RLL on 19 September, 2014 from Mt. Tiantou (22°41′1.75′′N, 114°24′17.58′′E; 327 m a.s.l.), Shenzhen City; SYS r001145 collected by JW and ZTL on 13 April, 2015 from Mt. Yingping (22°52′40.54′′N, 114°9′12.27′′E; 155 m a.s.l.), Dongguan City, Guangdong Province, China. |
| Diagnosis | Diagnosis: Opisthotropis shenzhenensis sp. nov. differs from other species of Opisthotropis by a combination of the following characters: (1) TL 328–412 mm; (2) tail short, TaL 16–19% of TL; (3) rostral, narrowed, RW 25– 30% of HW; (4) nasal in contact with first, second and third supralabials; (5) nasal cleft invariably pointing to the middle of upper edge of second supralabial; (6) loreal 1.3–1.6 times as long as deep; (7) loreal not entering the orbit, not in contact with second supralabials in all known specimens; (8) supralabials 9–10, the last one smaller than adjacent preceding one; (9) infralabials 8–10; (10) dorsal scale rows 19:19:19; (11) dorsal scales keeled throughout, weakly keeled on neck, posteriorly strongly keeled; (12) ventrals 162–179; subcaudals 53–60; (13) olive-green above in life, each scale with black edge, forming fine mesh pattern; yellow beneath, ventral surface of head and tail mottled with blackish grey. |
| Comment | Sympatry: Opisthotropis shenzhenensis, O. andersonii, O. kuatunensis and O. lateralis. |
| Etymology | The specific name “shenzhenensis” is derived from the type locality of the new species, Shenzhen City, Guangdong Province, China. |
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