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Gehyra rohan OLIVER, CLEGG, FISHER, RICHARDS, TAYLOR & JOCQUE, 2016

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common Names 
SynonymGehyra rohan OLIVER, CLEGG, FISHER, RICHARDS, TAYLOR & JOCQUE 2016 
DistributionPapua New Guinea (Manus Island, Los Negros Island, Mussau Island)

Type locality: near Lorengau, Manus Island, Papua New Guinea (2.0388S, 147.2371E)  
Reproductionoviparous 
TypesHolotype: IRSNB (= RBINS) 2684 (Field No. PNG14-88), adult male, collected 3 December 2014 by J. R. Clegg, P. N.Taylor and M. M. T. Jocque. Paratypes. AMS R129497–129498, adult females, Lombrum, Los Negros Island, Admiralty Islands, Papua New Guinea (2.01S, 147. 42E), collected 15 December 1951 by N. C. Goddard; CAS 252881, adult female, south bank of Lorengau River, 2.5 km southwest of Lorengau, Manus Island, Papua New Guinea (2.0415S, 147.2594E), collected 30 May 2010 by R. Fisher; PNGNM 25220 (PNG14-158), adult female, Yiringou Village, Manus Island, Papua New Guinea (2.0833S, 147.1167E), collected 9 December 2014 by J. R. Clegg, P. N. Taylor and M. M. T. Jocque); RBINS 2685 (PNG14-157), adult male, Yiringou Village, Manus Island, Papua New Guinea (2.0833S, 147.1167E), collected 9 December 2014 by J. R. Clegg, P. N. Taylor and M. M. T. Jocque; SAMA R69881 (SJR15105), adult male, near Nae, Mussau Island, Papua New Guinea (1.524S, 149.739E), collected 18 October 2015 by K. Aplin. 
DiagnosisDiagnosis: Gehyra rohan sp. nov. is distinguished from other Gehyra species by the following suite of characters: very large size (adult SVL 130–150 mm), large head (HW/SVL 0.18–0.22, HD/SVL 0.11–0.14), prominent skinfolds on the anterior forelimbs and posterior hind limbs, weak lateral fold, heterogeneous dorsal scalation consisting of large rounded scales bordered by numerous much smaller rounded or triangular scales, massive digital discs with high number of wide undivided subdigital lamellae (finger IV 23–25, toe IV 22–26) that are not deeply notched or divided, rostral with near horizontal dorsal edge and not deeply notched, precloacal and femoral pores in a moderately long single continuous chevron of up to at least 40 pores, original tail without lateral serrations, slightly compressed and with a prominent medial row of enlarged subcaudals, and a prominent ring of orange scales around the eye in life. 
CommentHabitat: largely arboreal; generally found in primary or disturbed lowland tropical rainforest on the trunks of large trees. It is also found on around human habitation in forested areas. Two specimens were found on wooden beams below houses. The holotype was found running across a road in forest at night. The specimen from Mussau was found in a cave in disturbed forest close to the coast. 
EtymologyRohan is the Sohoniliu Village (Nali language) ‘tok ples’ (local language) name for this gecko. The community of Sohoniliu Village requested that this name be used for the formal description of this species, and we thank them for their support of this work. 
References
  • OLIVER, PAUL M.; JONATHAN R. CLEGG, ROBERT N. FISHER, STEPHEN J. RICHARDS, PETER N. TAYLOR, MERLIJN M. T. JOCQUE 2016. A new biogeographically disjunct giant gecko (Gehyra: Gekkonidae: Reptilia) from the East Melanesian Islands. Zootaxa 4208 (1): 061–076 - get paper here
 
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