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Diplolaemus bibronii BELL, 1843

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Higher TaxaLeiosauridae (Leiosaurinae), Iguania, Sauria, Squamata (lizards)
Common NamesE: Bibron's Iguana 
SynonymDiplolaemus Bibronii BELL 1843: 21
Diplolaemus Bibronii — DUMÉRIL, BIBRON & DUMÉRIL 1854: 267
Leiosaurus bibronii — GALLARDO 1961: 117
Leiosaurus bibronii — GALLARDO 1966: 23
Diplolaemus bibronii — PETERS & DONOSO-BARROS 1970: 110
Diplolaemus bibronii — SCROCCHI et al. 2010: 64 
DistributionArgentina (Patagonia from Santa Cruz to Aysén and Magallanes, Chubut, Rio Negro), Chile

Type locality: Puerto Deseado, Argentina  
TypesType: BMNH (fide Pedro Victoriano, pers. comm., 6 April 2015). 
DiagnosisDescription: Body stout, median too large. Tail shorter than body, some time equal or larger. Thick head, slightly larger than wide. Snout significantly sharper than in darwinii. Adpressed hind limb reaches the axilla: adpressed forelimb largely cross the middle of the axilla-groin distance. Nasal scales separated from rostral by 3 or more scales. Mental laterally bordered by no contacting first infralabial and first postmental. Suboculars and supralabials separated by 3-5 or more scale rows. Nostrils separated by 6-9 scale rows. Temporal scales uniformly small. A distinct gular fold.
Dorsal color patterns, from sacral region to shoulder, showing 5 transverse bands bilaterally composed by a symmetrical, wide, almost trapezoidal blotch, formed by dense dark marks and spot, on a reddish or grayish ground. These bilateral blotches present a posterior, central semicircular jellowish or whitish spot, or a brilliant semicircular light border. Dark ringed upper limbs and tail. Mental and throat region whitish immaculate, or with only confused, pale grayish spots. (Cei et al. 2003). 
CommentSynonymy: BOULENGER 1885 listed D. bibronii as synonym of D. darwinii. 
EtymologyNamed after Gabriel Bibron (1806-1848), French zoologist. 
  • AVILA, LUCIANO JAVIER; LORENA ELIZABETH MARTINEZ & MARIANA MORANDO 2013. Checklist of lizards and amphisbaenians of Argentina: an update. Zootaxa 3616 (3): 201–238 - get paper here
  • Bell, T. 1843. The zoology of the voyage of H.M.S. Beagle, under the command of Captain Fitzroy, R.N. during the years 1832 to 1836. Edited and superintended by Charles Darwin ... naturalist to the expedition. Part 5. Reptiles. London, Smith, Elder and Co., (1842-1843), vi + 51 pp. - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Natural History). Vol. 2, Second edition. London, xiii+497 pp. - get paper here
  • Breitman, María Florencia; Minoli, Ignacio; Avila, Luciano Javier; Medina, Cintia Debora; Sites, Jr., Jack Walter; Morando, Mariana 2014. Lagartijas de la provincia de Santa Cruz (Argentina): distribución geográfica, diversidad genética y estado de conservación . Cuad. herpetol. 28 (2): 83-110 - get paper here
  • Cei, J.M.; Scolaro, J.A. & Videla, F. 2003. A taxonomic revision of recognized Argentine species of the leiosaurid genus Diplolaemus (Reptilia, Squamata, Leiosauridae). Facena 19: 87-106 - get paper here
  • Demangel, Diego 2016. Reptiles en Chile. Fauna Nativa Ediciones, Santiago, 619 pp - get paper here
  • Duméril, A. M.C., G. BIBRON & A. DUMÉRIL 1854. Erpétologie générale ou Histoire Naturelle complète des Reptiles. Vol. 9. Paris, XX + 440 S. - get paper here
  • Femenias, M. M., Avila, L. J., Sites, J. W. & Morando, M. 2019. The enigmatic Leiosaurae clade: Phylogeography, species delimitation, phylogeny and historical biogeography of its southernmost species. Mol. Phylogenet. Evol. 106725 (2019). doi: - get paper here
  • Gallardo, Jose M. 1966. Liolaemus lentus nov. Sp. (Iguanidae) de la Pampa y Algunas observaciones sobre los saurios de picha provincia Argentina y del oeste de Buenos Aires. Neotropica 12 (37): 15-29
  • Gallardo,J.M. 1961. Estudio zoogeografico del genero Leiosaurus (Reptilia, Sauria). Physis 22 (63): 113-118
  • Minoli I, Morando M, Avila LJ 2015. Reptiles of Chubut province, Argentina: richness, diversity, conservation status and geographic distribution maps. ZooKeys 498: 103-126. doi: 10.3897/zookeys.498.7476 - get paper here
  • Reyes-Olivares, C. and Labra, A. 2017. Emission of sounds by native lizards of Chile: the state of the art. Boletín Chileno de Herpetología. 4: 1-9 - get paper here
  • Rosas, Yamina Micaela; Pablo Luis Peri and Guillermo Martínez Pastur. 2018. Potential biodiversity map of lizard species in Southern Patagonia: environmental characterization, desertification influence and analyses of protection areas. Amphibia-Reptilia 30 (3): 289–301 - get paper here
  • Scrocchi, Gustavo J.; Cristian S. Abdala,Javier Nori, Hussam Zaher 2010. Reptiles de la provincia de Río Negro, Argentina. Fondo Ed. Rionegrino, 249 pp.
  • Werning, H. 2009. Auf den Spuren von Darwin durch Südamerika. Teil 1: Von England nach Patagonien. Reptilia (Münster) 14 (78): 34-46 - get paper here
  • Winchell, S. 2010. Die Reptilien Argentiniens. Reptilia (Münster) 15 (83): 20-27 - get paper here
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