Hebius septemlineatus (SCHMIDT, 1925)

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Higher Taxa	Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Tengchong Keelback Snake Chinese: 腾冲腹链蛇 (Teng Chong Fu Lian She)
Synonym	Natrix septemlineata SCHMIDT 1925: 2 Hebius septemlineatus — HOU et al. 2021
Distribution	SW China (W Yunnan) Type locality: Tengyueh (now Tengchong City), Yunnan Province, China
Reproduction	oviparous
Types	Holotype: AMNH 21051, collected by R. C. Andrews and E. Heller in May 1917
Diagnosis	Diagnosis: Hebius septemlineatus comb. nov. can be distinguished from its recognized congeners by a combination of the following characters: (1) TaL/ToL 23.5%–25.6%; (2) internasals narrowed anteriorly; (3) nasal divided, each half in contact with each other; (4) nostrils lateral; (5) loreal almost quadrilateral, higher than width, separated from orbit; (6) supralabials usually eight; (7) preocular one or two; (8) postoculars usually three; (9) mental triangles; (10) infralabials nine or ten, first pair in contact with each other, first–fifth infralabials in contact with anterior chin shields; (11) dorsal scales 19-19-17 rows; (12) dorsal scale rows reduced from 19 to 17 at position of third and fourth dorsal scale rows and from 97th to 101st ventrals; (13) ventrals 164–175; (14) subcaudals 80–96, paired; (15) anal divided; (16) four dorsal stripes on each side, not including ventrolateral stripe; and (17) ventral pale yellow (from Hou et al. 2021, based on n = 7). (HOU et al. 2021) Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 895 characters) are available for collaborators and contributors. Please contact us for details.
Comment	Synonymy: Pope (1935:112 synonymized Natrix septemlineata Natrix octolineatum, but Hou et al. 2021 resurrected H. septemlineatus and placed it in Hebius. Similar species: Hebius octolineatus.
Etymology	Named after Latin septem = seven, and linea = line.
References	Hou, S. B., Yuan, Z. Y., Wei, P. F., Zhao, G. G., Liu, G. H., Wu, Y. H., ... & Che, J. 2021. Molecular phylogeny and morphological comparisons of the genus Hebius Thompson, 1913 (Reptilia: Squamata: Colubridae) uncover a new taxon from Yunnan Province, China, and support revalidation of Hebius septemlineatus (Schmidt, 1925). Zoological Research, 42(5): 620-625 - get paper here Schmidt, KARL P. 1925. New Chinese amphibians and reptiles. American Museum Novitates (175): 1-3. - get paper here Wang K, Lyu ZT, Wang J, Qi S, Che J 2022. Updated Checklist and Zoogeographic Division of the Reptilian Fauna of Yunnan Province, China. Biodiversity Science 30 (4): 21326, 1–31 - get paper here Wang, K., Yu, Z. B., Wu, Y. H., Hou, S. B., Gao, W., Duan, S. H., ... & Che, J. 2024. Herpetofauna diversity of the Gaoligong Mountain in China: Checklist, zoogeography, and conservation. Zoological Research: Diversity and Conservation - get paper here
External links	National Center for Biotechnology Information Google images

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