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Gloydius stejnegeri (RENDAHL, 1933)

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Higher TaxaViperidae, Crotalinae, Colubroidea, Alethinophidia, Serpentes, Squamata (snakes) 
Common NamesE: Gobi pitviper)
G: Gobi-Otter
Chinese: 华北蝮 
SynonymAncistrodon halys stejnegeri RENDAHL 1933: 18
Gloydius halys stejnegeri — GUMPRECHT et al. 2004
Gloydius halys stejnegeri — WAGNER et al. 2015
Gloydius stejnegeri — SHI et al. 2016
Gloydius stejnegeri — SHI et al. 2018
Gloydius stejnegeri — ASADI et al. 2019 
DistributionChina, SE Mongolia

Type locality: China.  
TypesLectotype: NRM = NHRM 1923 809.2780 
DiagnosisDiagnosis (stejnegeri). Supralabials 7 – 8; dorsal scales in 23 rows at midbody; ventrals 147 – 165; subcaudals 39 – 46. Total length up to 625 mm [ORLOV & BARABANOV 1999].

Diagnosis (stejnegeri). A small viper of the genus, up to 625 mm total length. Supralabial scales 7-8. Dorsal scales in 23 rows around midbody; ven- tral scales between 147-165; subcaudal scales paired, between 39-46. Body with 28-38 dark transverse bands, each 3-6 scales wide and ex- tending down to scale row 3 or 2 [WAGNER et al. 2015]. 

Distribution: see maps in ORLOV & BARABANOV 1999.

Synonymy: Zhao 2006 listed Gloydius halys cognatus, liupanensis, qinlingensis, and stejnegeri as synonyms of either G. strauchi or G. intermedius.

Activity Pattern. Diurnal and night. 
  • Asadi, Atefeh; Claudine Montgelard, Masoud Nazarizadeh, Akram Moghaddasi,<br />Faezeh Fatemizadeh, evgeniy simonov, Haji Gholi Kami & Mohammad Kaboli 2019. Evolutionary history and postglacial colonization of an Asian pit viper (Gloydius halys caucasicus) into transcaucasia revealed by phylogenetic and phylogeographic analyses. Scientific Reports 9:1224 - get paper here
  • Gumprecht, A.; Tillack, F.; Orlov, N.L.; Captain, A. & Ryabow, S. 2004. Asian pitvipers. Geitje Books, Berlin, 368 pp.
  • Rendahl, Hialmar 1933. Die Unterarten des Ancistrodon halys Pall. nebst elnigen Bemerkungen zur Herpetologie Zentralasiens. Arkiv för Zoologi 25 (8): 1-31
  • Shi, J., Yang, D., Zhang, W. & Ding, L. 2016. Distribution and infraspecies taxonomy of Gloydius halys-Gloydius intermedius complex in China (Serpentes: Crotalinae). Chinese J. Zool. 51: 777–798
  • Shi, Jingsong; Diancheng Yang, Wuyuan Zhang, Lifang Peng, Nikolai L. Orlov, Fan Jiang, Li Ding, Mian Hou, Xinlei Huang, Song Huang, Pipeng Li 2018. A New Species of the Gloydius strauchi Complex (Crotalinae: Viperidae: Serpentes) from Qinghai, Sichuan, and Gansu, China. Russ. J. Herpetol. 25 (2): 126-138 - get paper here
  • Wagner, Philipp; Tiutenko, Arthur; Mazepa, Glib; Borkin, Leo J.; Simonov, Evgeniy 2015. Alai! Alai! – a new species of the Gloydius halys (Pallas, 1776) complex (Viperidae, Crotalinae), including a brief review of the complex. Amphibia-Reptilia 37 (published 31 Dec 2015) DOI: 10.1163/15685381-00003026 - get paper here
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