Euprepiophis perlaceus (STEJNEGER, 1929)

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Higher Taxa	Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Szechwan Rat Snake, Pearl-banded Rat Snake G: Perlennatter Chinese: 横斑锦蛇
Synonym	Elaphe perlacea STEJNEGER 1929: 129 Elaphe perlacea — POPE 1935: 251 Elaphe perlacea — SCHULZ 1996 Euprepiophis perlaceus — UTIGER et al. 2002 Elaphe perlacea — ZHAO 2006 Euprepiophis perlacea — CHEN et al. 2013 Euprepiophis perlaceus — CHEN et al. 2013 Euprepiophis perlacea — WALLACH et al. 2014: 292
Distribution	China (W Sichuan, Shaanxi), elevation 2000-3370 m Type locality: “Yachow prefecture, Szechwan, China” [= Yaan] (Stejneger, 1929)
Reproduction	oviparous
Types	Holotype: USNM 76257
Diagnosis	Diagnosis: Scales at the middle of the body in 19 rows, about 13 keeled; anal divided; no subocular, anterior temporal one; supralabials 7; head pattern with a black prefrontal band bifurcating at the eye; body with narrow black cross-bands enclosing whitish scale centers; underside checkered. (Stejneger 1929) 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 3935 characters) are available for collaborators and contributors. Please contact us for details.
Comment
References	Chen, Xin; Ke Jiang, Peng Guo, Song Huang, Dingqi Rao, Li Ding, Hirohiko Takeuchi, Jing Che, Yaping Zhang, Edward A. Myers, Frank T. Burbrink 2013. Assessing species boundaries and the phylogenetic position of the rare Szechwan ratsnake, Euprepiophis perlacea (Serpentes: Colubridae), using coalescent-based methods. Molecular Phylogenetics and Evolution - get paper here Hofmann, Sylvia 2021. New and highest record of the rare Szechwan ratsnake, Euprepiophis perlaceus (Serpentes: Colubridae) from Muge Co, Kangding, Garzê, China. ARPHA preprint - get paper here Mell,R. 1931. List of Chinese snakes. Lingnan Sci. Jour., Canton, 8 [1929]: 199-219. Pope, CLIFFORD H. 1935. The Reptiles of China. Turtes, Crocodilians, Snakes, Lizards. Amer. Mus. Nat. Hist., New York, Nat. Hist. Central Asia, 10: lii, 1-604 - get paper here Schulz, K. D. 1996. Eine Monographie der Schlangengattung Elaphe Fitzinger. Bushmaster, Berg (CH): 1-460 Schulz, K.-D. 1989. Die hinterasiatischen Kletternattern der Gattung Elaphe, Teil 16 Elaphe perlacea STEJNEGER 1929. Sauria 11 (2): 15-16 - get paper here Schulz, Klaus-Dieter 1996. A monograph of the colubrid snakes of the genus Elaphe Fitzinger. Koeltz Scientific Books, 439 pp. Stejneger, L. 1929. A snake from China. Proc. Biol. Soc. Washington 42: 129-130 - get paper here Tang SY, Li CL, Li YL, Li BG. 2021. New records of the Endangered Szechwan Rat Snake, Euprepiophis perlaceus (Stejneger, 1929) (Squamata: Colubridae: Coronellini), from Shaanxi, China. Amphibian & Reptile Conservation 15(2) [General Section]: 23–30 (e279) - get paper here Utiger, Urs, Notker Helfenberger, Beat Schätti, Catherine Schmidt, Markus Ruf and Vincent Ziswiler 2002. Molecular systematics and phylogeny of Old World and New World ratsnakes, Elaphe Auct., and related genera (Reptilia, Squamata, Colubridae). Russ. J. Herpetol. 9 (2): 105-124. - get paper here Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp. Wang, Kai; Jinlong Ren, Hongman Chen, Zhitong Lyu, Xianguang Guo Ke Jiang, Jinmin Chen, Jiatang Li, Peng Guo, Yingyong Wang, Jing Che 2020. The updated checklists of amphibians and reptiles of China. Biodiversity Science 28 (2): 189-218 - get paper here Zhao, E.M. 2006. The snakes of China [in Chinese]. Hefei, China, Anhui Sience & Technology Publ. House, Vol. I, 372 pp., Vol. II (color plates), 280 pp. Zhao, Ermi 1990. The validity of Elaphe perlacea, a rare endemic snake from Sichuan Province, China. Asiatic Herpetological Research 3: 101-103 - get paper here
External links	IUCN Red List National Center for Biotechnology Information http://www.ratsnakes.com/species.html https://www.facebook.com/groups/stshc/posts/266937562197516/ Google images

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