A new species of the genus Achalinus (Squamata: Xenodermidae) from Ningshan County, Shaanxi Province, China Author YANG, DIAN-CHENG 0000-0001-6390-5251 1 Anhui Province Key Laboratory of the Conservation and Exploitation of Biological Resource, College of Life Sciences, Anhui Normal University, Wuhu 241000, China. & Huangshan Noah Biodiversity Institute, Huangshan 245000, China. snakeboy@sinoophis.com Author HUANG, RU-YI 0000-0002-1004-3835 1 Anhui Province Key Laboratory of the Conservation and Exploitation of Biological Resource, College of Life Sciences, Anhui Normal University, Wuhu 241000, China. & Huangshan Noah Biodiversity Institute, Huangshan 245000, China. & Shanghai Collaborative Innovation for Aquatic Animal Genetics and Breeding, Shanghai Ocean University, Shanghai 201306, China. christina_huang@sinoophis.com Author JIANG, KE 0000-0003-3395-7362 Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China jiangke@cib.ac.cn Author BURBRINK, FRANK T. 0000-0001-6687-8332 Department of Herpetology, The American Museum of Natural History, Central Park West at 79 th Street, New York NY 10024, USA. fburbrink@amnh.org Author GONG, YAN-AN 0000-0002-8155-7024 1 Anhui Province Key Laboratory of the Conservation and Exploitation of Biological Resource, College of Life Sciences, Anhui Normal University, Wuhu 241000, China. & Huangshan Noah Biodiversity Institute, Huangshan 245000, China. yan_an_gong@sinoophis.com Author YU, JING 0000-0001-5067-8205 1 Anhui Province Key Laboratory of the Conservation and Exploitation of Biological Resource, College of Life Sciences, Anhui Normal University, Wuhu 241000, China. & Huangshan Noah Biodiversity Institute, Huangshan 245000, China. 156816664@qq.com Author ZHANG, YI 0000-0002-0222-2366 1 Anhui Province Key Laboratory of the Conservation and Exploitation of Biological Resource, College of Life Sciences, Anhui Normal University, Wuhu 241000, China. & Huangshan Noah Biodiversity Institute, Huangshan 245000, China. 1924992718@qq.com Author HUANG, TIAN-QI 0000-0002-5341-6419 Graduate Program in Ecology and Evolution, Department of Ecology, Evolution, and NaturalResources, Rutgers, the State University of New Jersey, New Brunswick, NJ 08901, USA tianqi.huang@rutgers.edu Author HUANG, SONG 0000-0001-6786-8523 1 Anhui Province Key Laboratory of the Conservation and Exploitation of Biological Resource, College of Life Sciences, Anhui Normal University, Wuhu 241000, China. & Huangshan Noah Biodiversity Institute, Huangshan 245000, China. snakeman@ahnu.edu.cn text Zootaxa 2022 2022-09-27 5190 1 127 140 http://dx.doi.org/10.11646/zootaxa.5190.1.5 journal article 10.11646/zootaxa.5190.1.5 a7a433be-8d1c-45d6-a408-2a42f7ea164b 1175-5326 7119993 936A4880-DFAE-4244-8DD7-2FA2D90A2476

TABLE 1. Measurements (mm) and pholidosis for the holotype and paratypes of Achalinus ningshanensis sp. nov.

voucher number	ANU2022 0001	ANU2022 0002	ANU2022 0003	ANU2022 0004	ANU2022 0005	ANU2022 0006	ANU2022 0007
	(Holotype)	(Paratype)	(Paratype)	(Paratype)	(Paratype)	(Paratype)	(Paratype)
collection number	JK0917	JK0918	JK0889	JK0890	JK0891	HSR19131	HSR19132
Sex	♀	♀	♀	♀	♀	♀	♀
SVL	374	419	463	353	334	371	365
ToL	436	491	527	416	398	450	430
TaL	62	72	64	63	64	69	65
TaL/ToL	0.14	0.15	0.12	0.15	0.16	0.15	0.15
PAN	20.31	19.13	/	14.00	15.24	20.32	14.65
PAM	25.62	27.10	24.62	25.71	19.87	22.27	21.82
PBV	16.70	18.08	14.65	16.75	15.32	19.40	16.72
SPL	3–2–1	3–2–1	3–2–1	3–2–1	3–2–1	3–2–1	3–2–1
IFL	5	5	5	5	5	5	/
Chin	3	3	3	3	3	3	3
IFL–1stChin	3	3	3	2	3	3
Lor	1	1	1	1	1	1/1	1/1
LorH	0.97	0.91	0.90	1.04	0.88	0.83	/
LorL	1.90	2.01	1.71	1.80	1.92	1.59	/
LorH/LorL	0.51	0.45	0.53	0.58	0.46	0.52	/
LSBI	1.81	1.69	1.64	1.48	1.77	1.57	1.56
LSBP	1.73	1.63	1.62	1.51	1.60	1.60	1.64
LSBI/LSBP	1.05	1.04	1.01	0.98	1.11	0.98	0.95
HW	7.16	7.48	4.75	6.27	5.50	5.94	4.79
HL	13.72	13.32	12.69	11.74	12.35	11.17	11.47
ED	1.12	1.19	/	1.10	1.12	0.82	0.96
PrO	0	0	0	0	0	0	0
PtO	0	0	0	0	0	0	0
TMP	2+3+4	2+3+4	2+2+4	2+2+3	2+2+4	2+2+3	2+2+4
SPO	1	1	1	1	1	1	1
DSR	23–23–23	23–23–23	23–23–23	23–23–23	23–23–23	23–23–23	23–23–21
VS	167	174	171	170	159	174	164
CP	entire	entire	entire	entire	entire	entire	entire
SC	43	46	43	43	45	45	41