Achalinus Peters 1869
Creators: name: Hou, Shao-Bing
name: Wang, Kai
name: Guo, Peng
name: Chen, Jin-Min
name: Yuan, Zhi-Yong
name: Che, Jing
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Reptilia
Squamata
Xenodermatidae
Achalinus

description: Key to species of the genus Achalinus Peters, 1869
1a. Internasal absent..................................................................................... 2
1b. Internasal present..................................................................................... 3
2a. Ventrals 146–155 in male; subcaudals 39–60; DSRM 19–21........................................ A. meiguensis
2b. Ventrals 160 in male; subcaudals 73; DSRM 23............................................... A. panzhihuaensis
3a. Loreal absent........................................................................................ 4
3b. Loreal present....................................................................................... 6
4a. Dorsal scale rows 27–27–25................................................................. A. formosanus
4b. Dorsal scale rows 23–23–23............................................................................ 5
5a. Suture between internasals longer than prefrontal suture......................................... A. jinggangensis
5b. Length of suture between internasals subequal to that between prefrontals............................ A.pingbianensis
6a. Anterior temporals single; two superior posterior temporals in contact and overlap greatly posterior to parietal....................................................................................................... A. hainanus
6b. Anterior temporals 2; two superior posterior temporals not in contact with each other posterior to parietal, or in contact but overlap slightly...................................................................................... 7
7a. Suture length between internasals less than or subequal to that between prefrontals................................. 8
7b. Suture length between the internasals much longer than that between prefrontals.................................. 10
8a. Dorsal scale rows 25–25–23...................................................................... A. niger
8b. Middorsal scale rows 23............................................................................... 9
9a. Dorsal color brown in adults, ventral light brown; TaL/ToL 18–20%................................. A. yunkaiensis
9b. Dorsal color black, ventral black brown; TaL/ToL 15–25%............................................ A. spinalis
10a. Infralabials 5....................................................................................... 11
10b. Infralabials 6....................................................................................... 12
11a. Ventrals 157–161 in females; subcaudals 63–65..................................................... A. emilyae
11b. Ventrals 148–158 in females; subcaudals 54–61.................................................... A. rufescens
12a. Subcaudals 47–70; TaL/ToL 19–22%................................................................ A. ater
12b. Subcaudals 82; TaL/ToL 26%............................................................... A. yangdatongi
description: Published as part of Hou, Shao-Bing, Wang, Kai, Guo, Peng, Chen, Jin-Min, Yuan, Zhi-Yong & Che, Jing, 2021, Two new species and a new country record of the genus Achalinus (Reptilia Squamata: Xenodermidae) from China, pp. 528-546 in Zootaxa 4950 (3) on page 544, DOI: 10.11646/zootaxa.4950.3.6, http://zenodo.org/record/4650074