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Chatogekko amazonicus (ANDERSSON, 1918)

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Higher TaxaSphaerodactylidae, Gekkota, Sauria, Squamata (lizards: geckos) 
Subspecies 
Common Names 
SynonymSphaerodactylus amazonicus ANDERSSON 1918
Coleodactylus amazonicus - VANZOLINI 1957: 6
Coleodactylus guimaraesi VANZOLINI 1957: 8
Coleodactylus zernyi WETTSTEIN 1928: 110
Coleodactylus amazonicus — RÖSLER 1995: 165
Coleodactylus guimaraesi — RÖSLER 2000
Coleodactylus amazonicus — AVILA-PIRES & HOOGMOED 2000: 222
Coleodactylus amazonicus — PIANKA & VITT 2003: 110
Chatogekko amazonicus — GAMBLE et al. 2011
Chatogekko amazonicus — RÖSLER 2015 
DistributionBrazil (Amazonas, Amapa, Para, Rondonia, Acre),
S Venezuela, S Guyana, French Guiana, Surinam, Bolivia ?

Type locality: Amazonas, Manaos, Lago Poraquecuare, Brazil. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
Reproductionoviparous 
TypesHolotype: NRM 3254 
CommentType species: Sphaerodactylus amazonicus ANDERSSON 1918 is the type species of the genus Chatogekko GAMBLE et al. 2011.

Synonymy: GAMBLE et al. also discussed the possibility that Coleodactylus guimaraesi VANZOLINI 1957 and Coleodactylus zernyi WETTSTEIN 1928 are valid species of Chatogekko and represent opulations from the southwestern and eastern Amazon, respectively.

Diagnosis (genus): Diagnosis and description: A miniaturized species complex of diurnal sphaerodactyl geckos. Mean SVL 21 ± 1.8 mm, N = 41. Snout shortened. Pupil round. Body cylindrical. Dorsal scales keeled. Claws enclosed in ungual sheath consisting of four scales. Posterior edge of premaxilla contacts medial process of frontal bone. Posterior edge of ascending nasal process bifurcated. Palatine longer than vomer. Postparietal process of parietal in contact with supraoccipital and otooccipital, but not squamosal. Reduced paroccipital process located dorsally to fenestra ovalis.
Chatogekko is distinguished from all gekkotans by the following unique combination of characters: (1) between two and four loreal scales (ls, Fig. 4A, also present in some Sphaerodactylus); (2) claws enclosed in an ungual sheath consisting of four scales (Parker, 1926; Vanzolini, 1957; Avila-Pires, 1995): inner supero-lateral (isl, Fig. 4B), outer supero-lateral (osl, Fig. 4B), inner infero-lateral (iil, Fig. 4C), and outer infero-lateral (oil, Fig. 4C) (ventrolaterals sensu Kluge, 1995); (3, Fig. 4D) keeled scales on dorsal body surface (Vanzolini, 1957; Avila-Pires, 1995), also present in some Sphaerodactylus; (4, Fig. 5A) bony external nares large and entering or approaching contact between prefrontal and nasals (as a conse- quence of extensive overlapping contact of maxilla and prefrontal); (5, Fig. 5A) posterior edge of premax- illa (i.e. the ascending nasal process) contacts medial process of frontal bone (Daza et al., 2008); (6, Fig. 5A) posterior edge of ascending nasal process bifurcated; (7, Fig. 5A) internasal contact absent; (8, Fig. 5A) jugal bone vestigial and limited to tip of maxilla; (9, Fig. 5A) postparietal process of parietal contacting supraoccipital and otooccipital, but not squamosal; (10, Fig. 5A) paroccipital process of otooccipital not visible in dorsal view; (11, Fig.5B) paroccipital process very reduced and located dorsally to fenestra ovalis (instead of posterior as in other gekkotans) and not participating in quadrate articulation (paroccipi- tal abutting); (12, Fig. 5B) palatine exceeds vomer substantially in length; (13, Fig. 10) duplicipalatinate condition; (14) a 3-bp deletion in coding region of exon 8 (in Gallus) of RBMX; and (15) a 3-bp deletion in coding region of exon 13 (in Gallus) of PTPN12 [from GAMBLE et al. 2011].

Distribution: Presence in Bolivia unclear (Tiffany Doan, pers. comm.). 
References
  • Andersson, L. G. 1918. New lizards from South America. Collected by Nils Holmgren and A. Roman. Arkiv för Zoologi 11 (16): 1—9
  • Avila-Pires, T.C.S. & Hoogmoed,M.S. 2000. On two new species of Pseudogonatodes Ruthven, 1915 (Reptilia: Squamata: Gekkonidae), with remarks on the distribution of some other sphaerodactyl lizards. Zoologische Mededelingen 73 (12): 209-223 - get paper here
  • Avila-Pires,T.C.S. 1995. Lizards of Brazilian Amazonia (Reptilia: Squamata). Zoologische Verhandelingen 299: 1-706 - get paper here
  • Costa-Prudente, A.L.C.; F. Magalhães; A. Menks; J.F.M. Sarmento. 2013. Checklist of Lizards of the Juruti, state of Pará, Brazil. Check List 9 (1):42-50 - get paper here
  • Gamble, Tony; Juan D. Daza, Guarino R. Colli, Laurie J. Vitt and Aaron M. Bauer 2011. A new genus of miniaturized and pug-nosed gecko from South America (Sphaerodactylidae: Gekkota). Zoological Journal of the Linnean Society 163 (4): 1244–1266 - get paper here
  • Gardner, T.A., Ribeiro Junior, M.A., BarlowJ., Avila-Pires, T.C.S., Hoogmoed, M.S. & Peres, C. 2007. The Value of Primary, Secondary, and Plantation Forests for a Neotropical Herpetofauna. Conservation Biology 21 (3): 775–787
  • Hernández-Ruz, Emil José, Joyce Celerino De Carvalho and Elciomar Araujo de Oliveira. 2014. Chatogekko amazonicus predation. Herpetological Review 45 (1): 126
  • Hoogmoed M.S.; de Avila-Pires T C S 1991. Annotoated checklist of the herpetofauna of Petit Saut, Sinnamary River, French Guiana. Zoologische Mededelingen 65: 53-88 - get paper here
  • Hoogmoed, M.S., & Lescure, J. 1975. An annotated checklist of the lizards of French Guiana, mainly based on two recent collections. Zoologische Mededelingen 49(13): 141-172. - get paper here
  • Langstroth, R.P. 2005. Adiciones probables y confirmadas para la saurofauna boliviana. Kempffiana 1 (1): 101-128
  • Mendes-Pinto, T. J. & S. Marques de Souza 2011. Preliminary assessment of amphibians and reptiles from Floresta Nacional do Trairão, with a new snake record for the Pará state, Brazilian Amazon. Salamandra 47 (4): 199-206 - get paper here
  • Morato, S.A.A.; Calixto, P.O.; Mendes, L.R.; Gomes, R.; Galatti, U.; Trein, F.L.; Oliveira, F.S.; Ferreira, G.N. 2014. Guia fotográfico de identificação da herpetofauna da Floresta Nacional de Saracá-Taquera, Estado do Pará. Curitiba: STCP Engenharia de Projetos Ltda.; Porto Trombetas: MRN – Mineração Rio do Norte S.A.; 213 p. - get paper here
  • Oliveira, D.P.; S.M. Souza; L. Frazão; A.P. Almeida; T. Hrbek 2014. Lizards from central Jatapú River, Amazonas, Brazil. Check List 10 (1): 46-53 - get paper here
  • Pianka, E.R. & Vitt, L.J. 2003. Lizards - Windows to the Evolution of Diversity. University of California Press, Berkeley, 347 pp. [review in Copeia 2004: 955] - get paper here
  • RIBEIRO-JÚNIOR, MARCO A. 2015. Catalogue of distribution of lizards (Reptilia: Squamata) from the Brazilian Amazonia. II. Gekkonidae, Phyllodactylidae, Sphaerodactylidae. Zootaxa 3981 (1): 001–055
  • RIVAS, GILSON A.; CÉSAR R. MOLINA, GABRIEL N. UGUETO, TITO R. BARROS, CÉSAR L. BAR- RIO-AMORÓS & PHILIPPE J. R. KOK 2012. Reptiles of Venezuela: an updated and commented checklist. Zootaxa 3211: 1–64 - get paper here
  • Rodrigues Geurgas, Silvia; Miguel Trefaut Rodrigues 2010. The hidden diversity of Coleodactylus amazonicus (Sphaerodactylinae, Gekkota) revealed by molecular data. Molecular Phylogenetics and Evolution 54 (2): 583-593 - get paper here
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Rösler, Herbert 1995. Geckos der Welt - Alle Gattungen. Urania, Leipzig, 256 pp.
  • Silva, F.M.; A.C. Menks; A.L.C. Prudente; J.C.L. Costa; A.E.M. Travassos; U. Galatti. 2011. Squamate Reptiles from municipality of Barcarena and surroundings, state of Pará, north of Brazil. Check List 7 (3): 220-226
  • Vanzolini,P.E. 1957. O genero Coleodactylus (Sauria, Gekkonidae). Pap. Avulsos Zool. 13 (1): 1-17
  • Vitt, L.; Magnusson, W.E.; Ávila-Pires, T.C. & Lima, A.P. 2008. Guide to the Lizards of Reserva Adolpho Ducke, Central Amazonia. Attema, Manaus, 180 pp.
  • Vitt, L.J. et al. 2005. Small in a big world: ecology of leaf-litter geckos in new world tropical forests. Herpetological Monographs 19: 137-152 - get paper here
  • Vitt, Laurie J.;Caldwell, Janalee P. 1994. Resource utilization and guild structure of small vertebrates in the Amazon forest leaf litter. Journal of Zoology 234 ( Part 3): 463-467
  • Wettstein, O. 1928. Coleodactylus zernyi nov. spec., ein neuer Gecko aus Brasilien. Zool. Anz. 76:110—112.
 
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