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Liolaemus williamsi LAURENT, 1992

IUCN Red List - Liolaemus williamsi - Data Deficient, DD

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Higher TaxaLiolaemidae, Iguania, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymLiolaemus williamsi LAURENT 1992: 22
Liolaemus williamsi — ABDALA et al. 2013
Liolaemus williamsi — AGUILAR-PUNTRIANO et al. 2019 
DistributionPeru (Ayacucho)

Type locality: “Pampas Galeras, between Nazca and Puquio, Depto. Ayacucho, Peru”  
Reproduction 
TypesHolotype: LACM 9323, male. Paratypes: LACM, MCZ 
DiagnosisDiagnosis. A middle-sized and somewhat melanistic species of the L. signifer group, differing from L. signifer by its larger and less numerous scales and the presence of preanal pores in some females. It differs from L. signifer in the following features: 1) 54-67 scales around midbody instead of 66-82; 2) 48-65 dorsal scales instead of 65-87 between occiput and level of front borders of thighs; 3) 67-78 ventral scales instead of 74-92 between postmentals and vent; 4) minimum width of frontal region 18-29% oflength of 5 dorsal scales instead of 25-49%; 5) length of 5 dorsal scales 67-104% of ear-eye distance instead of 29-71%. It can be distinguished from L. robustus by the following differences, apart from color pattern: 1) 66-77 lateral scales between legs instead of 49-70; 2) 17-22 dorsal scales instead of 12-19 in head length. It differs from L. polystictus by the larger number of ventral scales between postmentals and vent (67-78 instead of 62-71) and several morphometric characters mostly noticeable only on scatter-diagrams (Figs. 8, 9). (Laurent 1992)


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Comment 
EtymologyNamed after Dr. Ernest Edward Williams (1914-1998), a herpetologist, Museum of Comparative Zoology, Harvard. 
References
  • Abdala, Cristian Simón; Marcos Maximiliano Paz & Romina Valeria Semhan 2013. Nuevo Liolaemus (Iguania: Liolaemidae) con novedoso carácter morfológico, de la frontera entre Argentina y Chile. Rev. Biol. Trop. 61 (4): 1563-1584 - get paper here
  • Aguilar, Cesar; Perry L. Wood Jr, Mark C. Belk, Mike H. Duff and Jack W. Sites Jr 2016. Different roads lead to Rome: Integrative taxonomic approaches lead to the discovery of two new lizard lineages in the Liolaemus montanus group (Squamata: Liolaemidae). Biological Journal of the Linnean Society, DOI: 10.1111/bij.12890 - get paper here
  • Aguilar-Puntriano, César, César Ramírez , Ernesto Castillo, Alejandro Mendoza, Victor J. Vargas and Jack W. Sites, Jr. 2019. Three New Lizard Species of the Liolaemus montanus Group from Perú. Diversity 11(9): 161 - 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
  • Chaparro JC, Quiroz AJ, Mamani L, Gutiérrez RC, Condori P, De la Riva I, Herrera-Juárez G, Cerdeña J, Arapa LP, Abdala CS. 2020. An endemic new species of Andean lizard of the genus Liolaemus from southern Peru (Iguania: Liolaemidae) and its phylogenetic position. Amphibian & Reptile Conservation 14(2) [General Section]: 47–63 (e238)
  • Gutierrez, Roberto; Chaparro, Juan Carlos; Vásquez, Meylin Y.; Quiroz, Aarón Josue; Aguilar Kirigin, Álvaro; Abdala, Cristian Simon 2018. Descripción y relaciones filogenéticas de una nueva especie de Liolaemus (Iguania: Liolaemidae) y notas sobre el grupo de L. montanus de Perú. Cuad. herpetol. 32 (2): 81-99 - get paper here
  • Laurent R F 1992. On some overlooked species of the genus Liolaemus Wiegmann (Reptilia Tropiduridae) from Peru. Breviora (494): 1-33 - get paper here
 
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