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Trimeresurus schultzei GRIFFIN, 1909

IUCN Red List - Trimeresurus schultzei - Least Concern, LC

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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Schultze's Pit Viper 
SynonymTrimeresurus schultzei GRIFFIN 1909
Trimeresurus schultzei — WELCH 1994: 117
Trimeresurus schultzei — MCDIARMID, CAMPBELL & TOURÉ 1999: 344
Trimeresurus schultzei — GUMPRECHT et al. 2004
Parias schultzei — MALHOTRA & THORPE 2004
Trimeresurus (Parias) schultzei — DAVID et al. 2011
Parias schultzei — WALLACH et al. 2014: 538
Parias schultzei — GUO et al. 2018 
DistributionPhilippines (Palawan, Balabac)

Type locality: Iwahig, Palawan.  
TypesHolotype: lost (fide LEVITON 1964) 
DiagnosisDESCRIPTION. Scales on head and chin smooth or irregularly keeled; first upper labial separated from nasal by distinct suture; second upper labial fused to scale forming forming anterior border of facial pit; body scales in 21 [rarely 23] longitudinal rows at midbody; ventrals 187–203, subcaudals 66–82; a distinct light stripe, or at least a series of light spots, present along outer scale row; dorsal color greenish-brown to brown or purplish brown with 50–62 indistinct dark bars or zig-zag lines across dorsum, each 2–3 scale rows wide; a distinct yellow line along outer, ventrolateral scale row; ventrals edged with black; tail distinctly differentiated from body by its light color and without dorsal markings; hemipenes spinose (from Leviton et al. 2014: 518). 

Habitat: fully arboreal (Harrington et al. 2018). 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • DAVID, PATRICK; GERNOT VOGEL & ALAIN DUBOIS 2011. On the need to follow rigorously the Rules of the Code for the subsequent designation of a nucleospecies (type species) for a nominal genus which lacked one: the case of the nominal genus Trimeresurus Lacépède, 1804 (Reptilia: Squamata: Viperidae). Zootaxa 2992: 1–51 - get paper here
  • Griffin, L.E. 1909. A list of snakes found in Palawan. Philippine Journal of Science 4: 595-601 - get paper here
  • Gumprecht, A.; Tillack, F.; Orlov, N.L.; Captain, A. & Ryabow, S. 2004. Asian pitvipers. Geitje Books, Berlin, 368 pp.
  • Gumprecht,A. 2001. Das Portrait: Trimeresurus schultzei GRIFFIN. Sauria 23 (2): 2 - get paper here
  • Guo, Peng; Qin Liu, Guanghui Zhong, Fei Zhu, Fang Yan, Ting Tang, Rong Xiao, Min Fang, Ping Wang and Xin Fu 2015. Cryptic diversity of green pitvipers in Yunnan, South-west China (Squamata, Viperidae). Amphibia-Reptilia 36 (3): 265 - 276 - get paper here
  • Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
  • Leviton, A.E. 1964. Contributions to a review of Philippine snakes. V. The snakes of the genus Trimeresurus. Philippine J. Sci. 93: 251-276 - get paper here
  • Leviton, A.E., R.M. Brown, and C.D. Siler. 2014. The dangerously venomous snakes of the Philippine Archipelago. in The Coral Triangle: The 2011 Hearst Biodiversity Philippine Expedition (G.C. Williams and T.M. Gosliner, eds.). California Academy of Sciences, USA, Pp 473–530
  • Malhotra, Anita & Thorpe, Roger S. 2004. A phylogeny of four mitochondrial gene regions suggests a revised taxonomy for Asian pitvipers (Trimeresurus and Ovophis). Molecular Phylogenetics and Evolution 32: 83 –100 [erratum p. 680] - get paper here
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp.
  • Supsup CE, Asis AA, Carestia Jr UV, Diesmos AC, Mallari NAD, Brown RM 2020. Variation in species richness, composition and herpetological community structure across a tropical habitat gradient of Palawan Island, Philippines. Herpetozoa 33: 95-111 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • Weinell, Jeffrey L.; Errol Hooper, Alan E. Leviton, Rafe M. Brown 2019. Illustrated Key to the Snakes of the Philippines. Proc. Cal. Acad. Sci. (4) 66 (1): 1-49 - get paper here
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