Gloydius cognatus (GLOYD, 1977)
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Gloydius cognatus
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| Higher Taxa | Viperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Alashan pitviper G: Alashan-Otter Chinese: 阿拉善蝮 |
| Synonym | Agkistrodon halys cognatus GLOYD 1977 Agkistrodon halys cognatus — WELCH 1994: 11 Gloydius halys cognatus — GUMPRECHT et al. 2004 Gloydius halys cognatus — WAGNER et al. 2015 Gloydius cognatus — SHI et al. 2016 Gloydius cognatus — SHI et al. 2018 Gloydius cognatus — ASADI et al. 2019 |
| Distribution | NC China (Gansu) Type locality: Choni, on the Tao River, Gansu Province, China. |
| Reproduction | Viviparous. |
| Types | Holotype: USNM 68586. Paratypes. USMN 68504, 68506, 68541 |
| Diagnosis | Diagnosis. A small viper of the genus, up to 590 mm total length. Supralabial scales 7-8. Dorsal scales in 23 (rarely 21) rows around mid-body; ventral scales between 153-165; subcaudal scales paired, between 36-54. Body with 29- 43 dark transverse bands, each 4-5 scales wide and extending down to scale row 4 to 2 [WAGNER et al. 2015]. Diagnosis. Total length up to 590 mm. Supralabials 7 – 8; dorsal scale in 23 rows at midbody, sometimes 21; ventrals 153 – 165; subcaudals 36 – 54 [ORLOV & BARABANOV 1999]. |
| Comment | Venomous! Synonymy: Zhao 2006 listed Gloydius halys cognatus, liupanensis, qinlingensis, and stejnegeri as synonyms of either G. strauchi or G. intermedius. Synonymy: Listed as a synonym of Gloydius halys by Wallach et al. 2014: 310. Activity Pattern. Diurnal and night. |
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