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Wilsonosaura josyi (KÖHLER, 2003)

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Higher TaxaGymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards)
Common Names 
SynonymEuspondylus josyi KÖHLER 2003
Wilsonosaura josyi — LEHR et al. 2019 
DistributionPeru (Junín)

Type locality: Departamento Junín, Marainiyoc, elevation 2880 m, 11° 22’ S, 75° 24’ W.  
TypesHolotype: MCZ 85787; paratypes in MCZ, SMF, and USNM 
DiagnosisDiagnosis: Phenotypic synapomorphies are not known for this genus. Morphologically, Wilsonosaura gen. n. can be distinguished from all other genera of Cercosaurinae (except Proctoporus) by the combination of the following characters: lower palpebral disc semi-transparent, undivided (divided in Anadia, Andinosaura, Centrosaura, Euspondylus, Gelanesaurus, Oreosaurus, Petracola, Rheo­saurus, Riama, and most Placosoma species; opaque in Pholidobolus); dorsal scales homogenous (heterogenous in Centrosaura, Echinosaura, Gelanesaurus, Neusticurus, Potamites, Rheosaurus; minute tubercles on posterior dorsal scales in Placosoma; slightly rugose in Selvasaura); lateral scales distinctly smaller than dorsal scales (lateral scales not distinctly reduced in size in Macropholidus); lateral scales forming a distinct longitudinal line of smaller scales (irregular pattern of smaller laterals in Dendro­ sauridion), dorsal scales weakly keeled to nearly smooth (smooth dorsal keels in Dendrosauridion), and short snout bluntly rounded (moderately long snout pointed in Dendrosauridion); absence of distinctly enlarged gulars (medial gulars distinctly enlarged forming longitudinal rows in Cercosaura). Frequent occurrence of prefrontal shields, presence of weakly keeled to nearly smooth dorsal scales, and a continuous line of lateral scales at the middle of flanks being occasionally widened vertically by additional lateral scales interspacing the dorsals distinguish Wilsonosaura gen. n. from most species of Proctoporus. Nevertheless, an unambiguous morphological character distinguishing the new genus from Proctoporus has not been identified (see e.g., Oftedal 1974, Cadle & Chuna 1995, Altamirano-Benavides et al. 2013, Kok et al. 2013, Torres-Carvajal & Mafla-Endara 2013, Echevarría et al. 2015, Borges-Nojosa et al. 2016, Chávez et al. 2017, Sánchez-Pacheco et al. 2017b, Moravec et al. 2018, Lehr et al. 2019). 
CommentAbundance: only known from its original description (Meiri et al. 2017). 
EtymologyNamed after Franz-Josef Hans (nicknamed “Josy”), in recogniton of his support of taxonomic studies through the BIOPAT programme. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Köhler, G. 2003. Two new species of Euspondylus (Squamata: Gymnophthalmidae) from Peru. Salamandra 39 (1): 5-20 - get paper here
  • Köhler, G. and E. Lehr 2004. Comments on Euspondylus and Proctoporus (Squamata: Gymnophthalmidae) from Peru, with the description of three new species and a key to the Peruvian species. Herpetologica 60 (4):501-518 - get paper here
  • Lehr, E., Moravec, J. and von May, R. 2020. A new cryptic genus of terrestrial lizard (Gymnophthalmidae: Cercosaurinae) from the eastern Andes of central Peru. Salamandra 56: 1-15. - get paper here
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
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