Trimeresurus labialis

Taxonavigation

Taxonavigation: Viperoidea
Superregnum: Eukaryota Cladus: Amorphea Cladus: Obazoa Cladus: Opisthokonta Cladus: Holozoa Cladus: Filozoa Cladus: Choanozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: ParaHoxozoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Chordata Cladus: Olfactores Subphylum: Vertebrata Infraphylum: Gnathostomata Cladus: Eugnathostomata Cladus: Osteichthyes Cladus: Sarcopterygii Cladus: Rhipidistia Cladus: Tetrapodomorpha Cladus: Eotetrapodiformes Cladus: Elpistostegalia Cladus: Stegocephali Cladus: Tetrapoda Cladus: Reptiliomorpha Cladus: Amniota Cladus: Sauropsida Classis: Reptilia Cladus: Eureptilia Cladus: Romeriida Cladus: Diapsida Cladus: Neodiapsida Cladus: Sauria Cladus: Lepidosauromorpha Subclassis: Lepidosauria Ordo: Squamata Cladus: Unidentata, Episquamata Cladus: Toxicofera Subordo: Serpentes Cladus: Caenophidia Superfamilia: Viperoidea

Trimeresurus labialis Steindachner, 1867: 86

Syntypes (n=3): NHMW 18813.1–3, collected by G. von Frauenfeld (Novara Expedition) between 23 February–26 March 1858.
Type locality: “Nikobaren”.

Steindachner, F. 1867. Reptilien. In: Reise der Österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter dem Befehlen des Commodore B. von Wüllerstorf-Urbair. Zoologischer Theil. Erster Band. Kaiserlich-königlichen Hofund Staatsdruckerel: Wien. 98 pp., 3 pls. BHL Reference page.

Vogel, G., David, P. & Chandramouli, S.R. 2014. On the systematics of Trimeresurus labialis Fitzinger in Steindachner, 1867, a pitviper from the Nicobar Islands (India), with revalidation of Trimeresurus mutabilis Stoliczka, 1870 (Squamata, Viperidae, Crotalinae). Zootaxa 3786(5): 557–573. DOI: 10.11646/zootaxa.3786.5.4 Reference page.

Mohapatra, P. 2021. IUCN: Trimeresurus labialis (Critically Endangered). The IUCN Red List of Threatened Species 2021: e.T194061A2295688. DOI: 10.2305/IUCN.UK.2021-3.RLTS.T194061A2295688.en. Accessed on 18 September 2025.