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Enyalioides dickinsoni VENEGAS, GARCÍA-AYACHI, CHÁVEZ-ARRIBASPLATA, MARCHELIE, BULLARD, QUISPE, VALENCIA, ODAR & TORRES-CARVAJAL, 2024

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Higher TaxaHoplocercidae, Iguania, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Dickinson's wood lizard
Spanish: lagartija de palo de Dickinson 
SynonymEnyalioides dickinsoni VENEGAS, GARCÍA-AYACHI, CHÁVEZ-ARRIBASPLATA, MARCHELIE, BULLARD, QUISPE, VALENCIA, ODAR & TORRES-CARVAJAL 2024: 7 
DistributionPeru (Amazonas)

Type locality: Guayaquil (5.67157° S, 78.26106° W, 1,717 m, WGS 84), District Cajaruro, Utcubamba Province, Department Amazonas, Peru  
Reproduction 
TypesHolotype: CORBIDI 21351, an adult male, collected on 5 December 2019 by S. Bullard.
Paratypes: Department Amazonas: Bagua Province: District La Peca: CORBIDI 738, an adult female from Chonza Alta (5.61330° S, 78.39674° W, 1,405 m, WGS 84), collected on 1 December 2007 by P.J. Venegas; de Utcubamba Province: District de Cajaruro: CORBIDI 21703, adult male, CORBIDI 21710, juvenile female, CORBIDI 21711, adult female, from La Unión (5.70613° S, 78.28547° W, 1,459 m, WGS 84), collected between 18-23 September 2019 by A. Marchelie.
 
DiagnosisDiagnosis: Enyalioides dickinsoni can be distinguished from all known species of Enyalioides, except E. azulae, by the combination of the following characters: 1)adistinctivelylowvertebralcrest,withthecrest on neck at most twice as high as the crest between hind limbs; 2) scales immediately posterior to superciliaries on lateral edge of skull barely projected and similar in height to adjacent scales; 3) 56-71 vertebral scales from occiput to base of tail; 4) dorsal scales feebly keeled and heterogeneous in size; 5) ventral scales keeled; 6) tail circular in cross-section; and 7) caudal scales heterogeneous, increasing in size posteriorly on each segment.
Enyalioides dickinsoni differs from E. azulae (state of character in parentheses) by having 36-41 gular scales (45-57), ventral scales keeled or feebly keeled (strongly keeled), and a faint dirty white postympanic stripe extending up to the middle of neck in males (a conspicuous cream or white postympanic stripe extending to the scapular region). Other species, such as E. cofanorum and E. microlepis, are slightly similar to E. dickinsoni in general features, such as low crest, relatively small size (SVL between 100 and 130 mm), and a brownish dorsal colouration in both sexes. However, E. dickinsoni differs from E. cofanorum (state of character in parentheses) by lacking scattered, projecting, large dorsal scales between forelimbs and hindlimbs (present) and having a dark patch on gular region restricted to the posterior edge in males (a large dark patch covering most of gular region in both sexes). Enyalioides dickinsoni differs from E. microlepis in having 27-38 dorsal scales in a transverse row between dorsolateral crests at midbody (more than 40), keeled ventral scales (strongly keeled), and a brownish orange gular patch (light blue gular patch surrounding the black gular patch extending to level of eyes and neck sides). (Venegas et al. 2024) 
Comment 
EtymologyNamed after Paul Bruce Dickinson (born 7 August 1958), who is best known as the lead singer of the legendary heavy metal band Iron Maiden, though he is also a music producer, entrepreneur, competitive fencer, novelist, aviator, broadcaster and the recipient of numerous honorary degrees and awards. In 2016, he flew a loggerhead sea turtle, Caretta caretta, that washed up on a Jersey beach to the Canary Islands in his private plane, thus contributing to the awareness and protection of this vulnerable species. 
References
  • Venegas, Pablo J.; Luis A. García-Ayachi, Juan C. Chávez-Arribasplata, Axel Marchelie, Santiago Bullard, Eduardo Quispe, Juan D. Valencia, Jasmín Odar, Omar Torres-Carvajal 2024. Two new species of wood lizards (Hoplocercinae: Enyalioides) from Cordillera de Colán in north-eastern Peru. Journal of Vertebrate Biology 73 (23074): 1-17 - get paper here
 
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