Pareas
Creators: name: Guo, Keji
name: Deng, Xuejian
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Reptilia
Squamata
Pareatidae
Pareas

description: Key to Pareas species (based on Smith 1943, Rao & Yang 1992, Zhao et al. 1998, Zhao, 2006)
1 loreal contacting eye. .................................................................................................................................................... 2
- loreal not contacting eye ............................................................................................................................................... 4
2 vertebrals not enlarged ................................................................................................................................ P. monticola
- vertebrals enlarged........................................................................................................................................................ 3
3 dorsals smooth ........................................................................................................................................... P. boulengeri
- dorsals keeled, at least on median rows. ........................................................................................................ P. stanleyi
4 vertebrals not enlarged ..................................................................................................................... P. margaritophorus
- vertebrals enlarged........................................................................................................................................................ 5
5 one anterior temporal ................................................................................................................................... P. nigriceps
- two or three anterior temporals ..................................................................................................................................... 6
6 nasal divided .................................................................................................................................................. P. nuchalis
- nasal simple................................................................................................................................................................... 7
7 prefrontal contacting eye .............................................................................................................................................. 8
- prefrontal separated from eye ...................................................................................................................... P. carinatus
8 more than 6 maxillary teeth .......................................................................................................................................... 9
- 4–6 maxillary teeth .................................................................................................................................. P. formosensis
9 7 infralabials ................................................................................................................................................ P. hamptoni
- 8–9 infralabials .............................................................................................................................................. P. iwasakii
description: Published as part of Guo, Keji & Deng, Xuejian, 2009, A new species of Pareas (Serpentes: Colubridae: Pareatinae) from the Gaoligong Mountains, southwestern China, pp. 53-60 in Zootaxa 2008 on page 59, DOI: 10.5281/zenodo.185730