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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Lepidosauromorpha
Superordo: Lepidosauria
Ordo: Squamata
Subordo: Serpentes
Infraordo: Caenophidia
Superfamilia: Viperoidea

Familia: Viperidae
Subfamilia: Crotalinae
Genus: Ovophis
Species (6): O. convictus – O. makazayazaya – O. monticola – O. okinavensis – O. tonkinensis – O. zayuensis

Ovophis Burger, 1981
Vernacular names
English: Mountain Pit Vipers

Ovophis is a genus of venomous pitvipers found in Asia.[1] Six species are currently recognized.[2]

Geographic range

Found in Asia in Nepal and Seven Sisters (Assam), India, eastward through Myanmar, Cambodia, Thailand, Laos, Vietnam, West Malaysia, Taiwan, Okinawa, Sumatra and Borneo.[1]

Species[2] Taxon author[2] Subsp.*[2] Common name Geographic range[1]
O. convictus (Stolickza, 1870) 0 Indo-Malayan mountain pitviper Sumatra, Cambodia; Laos, Peninsular Malaysia, Thailand, and Vietnam.
O. makazayazaya (Takahashi, 1922) 0 Taiwan mountain pitviper Southeastern China, Taiwan, and northern Vietnam.
O. monticolaT (Günther, 1864) 2 Mountain pit viper Nepal, India (Assam, Sikkim), Myanmar, China (Zhejiang, Fujian, Sichuan, Yunnan and Tibet), Hong Kong, Taiwan, Cambodia, Thailand, Laos, Vietnam, West Malaysia, and Sumatra in Indonesia.
O. okinavensis (Boulenger, 1892) 0 Okinawa pit viper Japan (Ryukyu Islands: Okinawa and the Amami Islands).
O. tonkinensis (Bourret, 1934) 0 Tonkin pit viper Vietnam and China.
O. zayuensis (Jiang, 1977) 0 Zayuan mountain pit viper China.


*) Not including the nominate subspecies.
T) Type species.[1]

Species placed in this group have long been associated with the genus Trimeresurus.[1] One other species that is included in some other taxonomies is O. tonkinensis (Bourret, 1934). It is commonly called the Tonkin pit viper and is found in Vietnam and China.

McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
"Ovophis". Integrated Taxonomic Information System. Retrieved 4 November 2006.


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