Trimeresurus sumatranus malcolmi

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Trimeresurus sumatranus malcolmi
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Trimeresurus
Species: T. sumatranus
Subspecies: T. s. malcolmi
Trinomial name
Trimeresurus sumatranus malcolmi
Loveridge, 1938
  • Trimeresurus sumatranus malcolmi
    Loveridge, 1938
  • Trimeresurus sumatranus malcolmi
    Golay et al., 1993[2]
  • Parias malcolmi
    Malhotra & Thorpe, 2004
  • Trimeresurus (Parias) malcolmi
    David et al., 2011[3]
Common names: Malcolm's pitviper,[4] Malcolm's tree viper,[5] Mt. Kinabalu pit viper,[6] more.

Trimeresurus sumatranus malcolmi is a venomous pitviper subspecies[7] found in East Malaysia.


The subspecific name, malcolmi, is in honor of British herpetologist Malcolm Arthur Smith.[8]


Scalation includes 19 rows of dorsal scales at midbody, 163-174 ventral scales, 64-81/61-64 subcaudal scales in males/females, and 8-9 supralabial scales.[4]

Common names[edit]

Malcolm's pitviper,[4] Malcolm's tree viper,[5] Mt. Kinabalu pit viper, Malcolm's pit viper.[6]

Geographic range[edit]

Found in East Malaysia at 1,000-1,600 m elevation (3,280-5,250 feet). The type locality given is "Sungii River, near Bundutuan, Mount Kinabalu, British North Borneo [Sabah], at an altitude circa 3,000 feet [914 m]".[2]

See also[edit]


  1. ^
  2. ^ a b McDiarmid RW, Campbell JA, Touré TA. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Washington, District of Columbia: Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  3. ^ "Trimeresurus malcolmi ". The Reptile Database.
  4. ^ a b c Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S. 2004. Asian Pitvipers. [First Edition]. Berlin: Geitje Books. 368 pp. ISBN 3-937975-00-4.
  5. ^ a b Mehrtens JM. 1987. Living Snakes of the World in Color. New York: Sterling Publishers. 480 pp. ISBN 0-8069-6460-X.
  6. ^ a b Brown JH. 1973. Toxicology and Pharmacology of Venoms from Poisonous Snakes. Springfield, Illinois: Charles C. Thomas. 184 pp. LCCCN 73-229. ISBN 0-398-02808-7.
  7. ^ "Trimeresurus sumatranus malcolmi ". Integrated Taxonomic Information System. Retrieved 28 July 2008. 
  8. ^ Beolens B, Watkins M, Grayson M. 2011. The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Trimeresurus malcolmi, pp. 166, 247).

Further reading[edit]

  • Loveridge, A. 1938. New Snakes of the Genera Calamaria, Bungarus and Trimeresurus from Mount Kinabalu, North Borneo. Proc. Biol. Soc. Washington 51: 43-45. ("Trimeresurus sumatranus malcolmi, subsp. nov.", p. 45.)

External links[edit]