On the taxonomy of Sibynophis grahami (Boulenger, 1904) with remarks on morphology, distribution, natural history, and conservation status (Squamata: Sibynophiidae: Sibynophis) Author Nguyen, Tan Van 0000-0001-5413-968X College of Medicine and Pharmacy, Duy Tan University, 120 Hoang Minh Thao, Lien Chieu, Da Nang, 550000, Vietnam. Author Vogel, Gernot Society for South East Asian Herpetology, Im Sand- 3, D- 69115 Heidelberg, Germany. text Zootaxa 2025 2025-04-04 5618 4 525 551 https://doi.org/10.11646/zootaxa.5618.4.4 journal article 309534 10.11646/zootaxa.5618.4.4 68cae5cc-39ac-4174-a057-e68f7b4aac35 1175-5326 15218905 164C58A0-F820-43C3-A236-3EC19162340E

TABLE 1. Species-level scientific names erected for the members of the Sibynophis chinensis species complex.

No.	Authority	Original taxon	Type localtiy	Present taxonomy	Proposed
		name			taxonomy
1	Günther, 1889	Ablabes chinensis	Yichang, Hubei, China Sibynophis chinensis		Sibynophis
					chinensis
2	Boulenger, 1904	Polyodontophis	Kunming and Qujing,	synonym of Sibynophis chinensis	Sibynophis
		grahami	Yunnan, China	(consider as subspecies of S.	grahami
				chinensis)
3	Schmidt, 1925	Sibynophis	Nada, Zhang, Hainan,	synonym of Sibynophis chinensis	synonym of
		hainanensis	China		Sibynophis
					chinensis
4	Maki, 1931	Sibynophis	Taipei, Taiwan, China	synonym of Sibynophis chinensis	synonym of
		collaris			Sibynophis
		formosensis			chinensis
5	Mell, 1931	Sibynophis	Taiwan, China	synonym of Sibynophis chinensis	Sibynophis
		collaris parkeri			chinensis
6	Zhao & Kou, 1987 Sibynophis		Miyi, Panzhihua,	synonym of Sibynophis chinensis	synonym of
		chinensis	Sichuan, China	(consider as subspecies of S.	Sibynophis
		miyiensis		chinensis)	grahami