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Cyrtodactylus sommerladi LUU, BONKOWSKI, NGUYEN, LE, SCHNEIDER, NGO & ZIEGLER, 2016

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) 
Subspecies 
Common NamesE: Sommerlad’s Bent-toed Gecko
Laotian: Ki Chiem Sommerlad 
SynonymCyrtodactylus sommerladi LUU, BONKOWSKI, NGUYEN, LE, SCHNEIDER, NGO & ZIEGLER 2016 
DistributionC Laos

Type locality: karst forest, Hang Toi region, Noong Ma Village (17°17.795’N, 106°08.738’E, elevation 572 m a.s.l.) within Hin Nam No NPA, Khammouane Province, central Laos.  
Reproduction 
TypesHolotype. VNUF R.2013.22 adult male, collected on 05 May 2013 by V. Q. Luu and N. V. Ha.
Paratypes. NUOL R-2013.23, IEBR A.2015.37, ZFMK 97196, VNUF R.2013.105, VNUF R.2014.87, NUOL R-2013.14, IEBR A.2015.39, NUOL R-2013.21, IEBR A.2015.38, VNUF R.2013.104, ZFMK 97197, VNUF R.2014.89, VNUF R.2013.67 the same locality as the holotype. IEBR A.2015.40 adult female, in karst forest, Cha Lou Village (17°18.880’N, 105°57.103’E, elevation 572 m a.s.l.) within Hin Nam No NPA, Khammouane Province, central Laos, collected on 25 May 2013.
 
CommentNatural history. Specimens were collected at night from 19:20 to 21:43h, mainly on karst walls, ca. 1–4.5 m above the ground, near cave entrances in the limestone forest, at elevations between 269 and 614 m a.s.l. Two female specimens IEBR A.2015.38 and ZFMK 97197 were found on tree trunks, about 1–2 m from the forest floor. The surrounding habitat was karst forest dominated by species of Ebenaceae, Dracaenaceae, Arecaeae, Poaceae, Meliaceae, and Moraceae. The relative humidity was between 74% and 90%, and temperatures ranged from 22.7 to 29.9°C (see Table 10). Female specimens contained eggs in May, by contrast, no records of gravid females or hatchlings were made in March. Thus, the breeding season seems to start only in April or May. The majority of the caves, karst walls, and karst forests where Cyrtodactylus sommerladi sp. nov. have been explored had dry surfaces, without flowing streams inside (e.g., Ellis & Pauwels 2012). 
EtymologyNamed after Ralf Sommerlad, a friend of the authors, and late Regional vice chairman of the IUCN SSC Crocodile Specialist Group (CSG) for Europe, who passed away on 11 June 2015, to honor his lifework and strong commitment for reptile conservation 
References
  • Ellis, M. & Pauwels, O.S.G. 2012. The bent-toed geckos (Cyrtodactylus) of the caves and karst of Thailand. Cave and Karst Science, 39 (1): 16–22
  • Kwet, Axel 2017. Neue Arten: Liste der im Jahr 2016 neu beschriebenen Reptilien Terraria-Elaphe 2017 (3): 54-70 - get paper here
  • LUU, VINH QUANG; MICHAEL BONKOWSKI, Truong QUang Nguyen, MINH DUC LE, NICOLE SCHNEIDER, HANH THI NGO, THOMAS ZIEGLER 2016. Evolution in karst massifs: Cryptic diversity among bent-toed geckos along the Truong Son Range with descriptions of three new species and one new country record from Laos. Zootaxa 4107 (2): 101–140 - get paper here
 
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