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Bothrochilus biakensis (SCHLEIP, 2008)

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Higher TaxaPythonidae, Henophidia, Pythonoidea, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Biak whitelip python 
SynonymLeiopython biakensis SCHLEIP 2008
Bothrochilus biakensis — REYNOLDS et al. 2014
Leiopython biakensis — WALLACH et al. 2014: 366
Leiopython biakensis — BARKER et al. 2015 
DistributionIndonesia (Biak Island)

Type locality: Biak, Schouten Islands  
TypesHolotype: RMNH 10193, female, Museum of Natural History, Leiden, The Netherlands, 1952–1953, donated by Fleet Air Arm Royal Netherlands Navy. Holotype lost in 2013 fide Esther Dondorp, pers. comm. 28 Jan 2019, but paratype RMNH RENA.10194 still extant). 
DiagnosisDiagnosis. This species differs from Leiopython albertisii in having only two labials entering the orbit (100%, N 5 2) and in lower ventral scale counts (271 6 1.41; range 5 270–272, N 5 2) than found in specimens from the western part of Papua (278 6 2.49; range 5 274–283, N 5 13; KW-test: x21 5 4.99, P , 0.05; see also Brongersma, 1956). However, ventral scales counts are in the range of specimens from PNG. It differs from Leiopython fredparkeri in the head scale arrangement, with this species having large and wide posterior parietals, whereas Leiopython fredparkeri shows two slender elongate posterior parietal scales (Fig. 2). It further differs from the latter species by the presence of whitish postocular spots, and additionally from Leiopython huonensis and Leiopython hoserae in having two pairs of parietals. It is also distinguishable from Leiopython bennettorum in the number of prefrontals and loreals. 
EtymologyEtymology.—Named after the type locality. 
  • Barker, D. G., Barker, T. M., Davis, M. A. and Schuett, G. W. 2015. A review of the systematics and taxonomy of Pythonidae: an ancient serpent lineage. Zoological Journal of the Linnean Society 175 (1): 1-19; doi: 10.1111/zoj.12267 - get paper here
  • Reynolds, R. Graham; Matthew L. Niemiller, Liam J. Revell 2014. Toward a Tree-of-Life for the boas and pythons: Multilocus species-level phylogeny with unprecedented taxon sampling. Molecular Phylogenetics and Evolution 71: 201–213 [published online in 2013] - get paper here
  • Schleip, Wulf D 2008. Revision of the Genus Leiopython Hubrecht 1879 (Serpentes: Pythonidae) with the Redescription of Taxa Recently Described by Hoser (2000) and the Description of New Species. Journal of Herpetology 42 (4): 645 - 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.
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