A new species of the genus Achalinus (Squamata: Xenodermidae) from Nanning, Guangxi, China Author Yang, Dian-Cheng 0000-0001-6390-5251 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; https: // orcid. org / 0000 - 0001 - 6390 - 5251 snakeboy@sinoophis.com Author Xu, Yu-Hao 0000-0001-6094-6680 Anhui Province Key Laboratory of the Conservation and Exploitation of Biological Resource, College of Life Sciences, Anhui Normal University, Wuhu 241000, China & School of Life Sciences, Anhui Agricultural University, Hefei 230036, China & Huangshan Noah Biodiversity Institute, Huangshan 245000, China & yuhao _ xu @ sinoophis. com; https: // orcid. org / 0000 - 0001 - 6094 - 6680 yuhao_xu@sinoophis.com Author Wu, Jia-Xiang 0000-0002-1474-3820 Guangxi Nanning Photography Player Culture Communication Co., Ltd, Nanning 530021, China & wjxwcl @ hotmail. com; https: // orcid. org / 0000 - 0002 - 1474 - 3820 wjxwcl@hotmail.com Author Gong, Yan-An 0000-0002-8155-7024 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; https: // orcid. org / 0000 - 0002 - 8155 - 7024 yan_an_gong@sinoophis.com Author Huang, Ru-Yi 0000-0002-1004-3835 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 & Engineering Research Center of Environmental DNA and Ecological Water Health Assessment, Shanghai Ocean University, Shanghai 201306, China & christina _ huang @ sinoophis. com; https: // orcid. org / 0000 - 0002 - 1004 - 3835 christina_huang@sinoophis.com Author Xiang, Jun 0000-0003-2331-3280 Guangxi Nanning Photography Player Culture Communication Co., Ltd, Nanning 530021, China & 2962079436 @ qq. com; https: // orcid. org / 0000 - 0003 - 2331 - 3280 2962079436@qq.com Author Feng, Zheng-Lian 0000-0002-4030-9868 Nanning Qingxiu Shan Tourist Attraction, Nanning 530000, China & 498381619 @ qq. com; https: // orcid. org / 0000 - 0002 - 4030 - 9868 498381619@qq.com Author Huang, Tian-Qi 0000-0002-5341-6419 Graduate Program in Ecology and Evolution, Department of Ecology, Evolution, and Natural Resources, Rutgers, the State University of New Jersey, New Brunswick, NJ 08901, USA & tianqi. huang @ rutgers. edu; https: // orcid. org / 0000 - 0002 - 5341 - 6419 tianqi.huang@rutgers.edu Author Huang, Song 0000-0001-6786-8523 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; https: // orcid. org / 0000 - 0001 - 6786 - 8523 snakeman@ahnu.edu.cn text Zootaxa 2023 2023-07-26 5319 3 389 402 http://dx.doi.org/10.11646/zootaxa.5319.3.5 journal article 59743 10.11646/zootaxa.5319.3.5 1b905ef4-94fc-44bc-b94f-977a92e2c6a0 1175-5326 8203025 CFDAF62E-3A43-4C65-BAB6-D06056C6E12A

TABLE 2. A morphological comparison of species of the genus Achalinus. Morphological data of unexamined congeners were taken from the literature that listed in the Material and methods. “-” & “?” = unavailable; s+k = smooth on anterior, keeled on posterior body; s+k+k = keeled on mid and posterior body.

Species	ToL max	SVL max	TaL max	TaL/ToL	Lor	SPL	IFL	Chin	TMP	LSBP/LSBI	DSR	Ven	SC	BST
A. damingensis sp. nov.	427	322	105	0.25	1	6	6	2	2+2+3	<1	23–23–23	3+162	74	keeled
A. ater	401	-	70	0.19–0.22	1	6	6	2 or 3	2+2	<1	23(21)–23–23	160–170	47–70	keeled
A. dehuaensis	688	265	90	0.21–0.29	1	6	5	2	2+2+3	<1	23–23–23	142–154	63–81	keeled
A. emilyae	519	424	95	0.18–0.20	1	6	5	2	2+2	<1	23–23–23	157–161	63	keeled
A. formosanus	860	720	140	0.16	0	6	6–7	2 or 3	2+2	>1	29(27)–27–25	158–169	61–83	keeled
A. hainanus	310	230	80	0.26–0.27	1	6	5	2	1+2+3	=/<1	23–23–23	165–168	67–69	keeled
A. huangjietangi	404	340	64	0.16–0.23	1	6	5	2	2+2+4	>1	23–23–23	157–170	47–67	keeled
A. jinggangensis	460	-	80	0.17–0.22	0	6	6	2	2(1)+2+3	<1	23–23–23	156–164	51–64	keeled
A. juliani	413	304	109	0.22–0.37	1	6	6	2	2+2	<1	25–23–23	163–179	77–91	keeled
A. meiguensis	555	474	81	0.14–0.24	1	6	6	3	2(3)+2(3)	-	23(21)+21(19)+19	146–173	39–62	keeled
A. niger	730	620	110	0.15–0.18	1	6	6	3 or 2	2+2	=/>1	25–25–23	169–185	52–72	s+k
A. ningshanensis	527	463	64	0.12–0.16	1	6	5	3	2+2	=/<1	23–23–23	159–171	41–46	keeled
A. panzhihuaensis	257	194	65	0.25	1	6	6	3	2+2	-	23–23–19	160	73	keeled
A. pingbianensis	429	345	84	0.2	0	7	6	2	2+2+3	=1	23–23–23	164	56	keeled
A. rufescens	420	347	74	0.17–0.27	1	6	5	2	2+2+3	<1	23–23(25)–23	138–165	48–75	keeled
A. spinalis	560	470	90	0.15–0.25	1	6	6	3	2+2+3	=/>1	23–23–23	138–175	39–67	s+k+k
A. timi	178	140	38	0.21	0	6	6	2	2+2	<1	25–25–23	170	72	keeled
A. tranganensis	448	334	114	0.25	1	6	6	2	2+3	<1	25–23–23	171	73+	keeled
A. vanhoensis	561	413	148	0.26	0	6	6	2	2+2	<1	25–23–23	176	84	keeled
A. werneri	550	-	-	0.25–0.3	1	6	6	-	2+2	=1	?–23–?	157–191	67–98	keeled
A. yangdatongi	397	293	104	0.26	1	6	6	2	2+2+3	<1	23–23–19	161	82	keeled
A. yunkaiensis	448	386	62	0.19–0.2	1	6	6	2	2+2+3	=/<1	23–23–23	151–162	49–56	keeled
A. zugorum	458	353	105	0.23	0	6	7	2	2+2	<1	25–23–23	173	70	keeled