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Thermophis zhaoermii GUO, LIU, FENG & HE, 2008

IUCN Red List - Thermophis zhaoermii - Endangered, EN
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Sichuan Hot-spring Keel-back
Chinese: Sichuan Wenquan She 
SynonymThermophis zhaoermii GUO, LIU, FENG & HE 2008
Thermophis zhaoermii — SUN et al. 2011
Thermophis zhaoermii — WALLACH et al. 2014: 729 
DistributionChina (Sichuan)

Type locality: Litang County, Suchuan, China, elevation 3700 m.  
Reproductionoviparous (phylogenetic imputation, fide Zimin et al. 2022) 
TypesHolotype: SCUM 044804 (Sichuan University Museum, Chengdu, China) 
DiagnosisDiagnosis: Thermophis zhaoermii differs mainly from T. baileyi by the following characteristics: 1. the new species exhibits a more anterior occurrence of subcaudal scale of the reduction from 6 to 4 scale rows [76.75 (76.50 - 77.00) vs. 90.42 (85.50 - 92.00) in males, and 69.28 (64.00 -74.50) vs. 78.26 (76. 00 - 81. 50) in females]; 2. the new species has a shorter hemipenis (in situ) (the 16th subcaudal vs. 21st - 23rd subcaudal) and a more proximally occurrence of the organ fork (the 12th subcaudal vs. the 15 th _ 17th subcaudal); 3. T. zhaoermii exhibits fewer maxillary teeth (16.5 vs. 22. 0); 4. all subcaudals are paired (no single one) in the new species, but some subcaudaIs are undivided in T. baileyi. Furthermore, based on independent molecular mitochondrial and nuclear sequences, the divergences between the two species are large. 
Comment 
EtymologyThis species is named tin honor of Professor Zhao Er-mi for (1930-2016) his studies on Chinese amphibians and reptiles and tireless in helping young herpetologists of China. See Zhao et al. 2017 and Adler 2017 for biographical details. 
References
  • Adler, K. 2017. Obituary: Ermi Zhao (1930-2016) and the modern development of herpetology in China. Herpetological Review 48 (4): 921-926 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Guo, Peng; Liu, Shao-Ying; Feng, Jin-Chao; He, Miao 2008. The Description of A New Species of Thermophis (Serpentes Colubridae ). Sichuan Journal of Zoology 27 (3): 321 - get paper here
  • GUO, Peng; SHAO YING LIU, SONG HUANG, MIAO HE, ZHI YU SUN, JIN CHAO FENG & ER MI ZHAO 2009. Morphological variation in Thermophis Malnate (Serpentes: Colubridae), with an expanded description of T. zhaoermii. Zootaxa 1973: 51-60 - get paper here
  • Hofmann, Sylvia; Frank Tillack, Georg Miehe 2015. Genetic differentiation among species of the genus Thermophis Malnate (Serpentes, Colubridae) and comments on T. shangrila. Zootaxa 4028: 102–120 - get paper here
  • Song Huang, Shao-ying Liu, Peng Guo, Ya-ping Zhang, Er-mi Zhao 2009. What are the closest relatives of the hot-spring snakes (Colubridae, Thermophis), the relict species endemic to the Tibetan Plateau? Molecular Phylogenetics and Evolution 51 (3): 438-446 - get paper here
  • SUN, Xiaoyu; Shaoying LIU and Song HUANG 2011. Tibetan Plateau Relict Snakes of the Genus Thermophis and Their Relationship to New World Relict Snakes. Asian Herpetological Research 2 (3): 161-168 - 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
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
 
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