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Liolaemus dumerili ABDALA, SEMHAN, MORENO AZOCAR, BONINO, PAZ & CRUZ, 2012

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Higher TaxaLiolaemidae, Iguania, Sauria, Squamata (lizards) 
Subspecies 
Common Names 
SynonymLiolaemus dumerili ABDALA, SEMHAN, MORENO AZOCAR, BONINO, PAZ & CRUZ 2012
Liolaemus melanops CEI 1975 (part.)
Liolaemus melanops — CEI 1986 
DistributionArgentina (Río Negro)

Type locality: Sierra Colorada, on Provincial Route 212, km 23 in route to Los Menucos, Río Negro Province, 40°32 ́54.5" S 67°37 ́10.4 W".  
Reproduction 
TypesHolotype: FML 24169 
CommentSimilar species: has been confused initially with Liolaemus melanops.

Diagnosis (we believe): Liolaemus dumerili, belongs to the L. melanops group of species; within this group this new taxon differs from the species belonging to the L. fitzingerii group (L. canqueli, L. casamiquelai, L. chehuanchekenk, L. fitzingerii, L. melanops, L. morenoi, L. xanthoviridis) by a smaller SVL (max SVL 80.9 mm vs. 89–106 mm), sexual dichroma- tism is evident in the new species, and there is not a black antehumeral arc. It differs from L. mapuche, L. cuyanus and L. puelche, by its smaller SVL (max SVL 80.9 mm vs. 83, 102 and 89 mm, respectively) and four scales in contact to the mental scale (six in L. cuyanus; four to six in L. mapuche and L. puelche). The new taxon is different from L. donosobarrosi by the dorsal color pattern clearly different between these species and a lower number of scales around midbody (61–70, X = 65.1 vs. 79–95, X = 85.4).
The new species is different from Liolaemus goetschi because it has four scales in contact to the mental scale (4–6 in L. goetschi), a larger SVL (max 80.9 mm vs. 74.2 mm); males present a broader ventral dark brown color- ation, are sexually dichromatic. Female dorsal pattern is clearly different between species. Liolaemus dumerili is different from L. hermannunezi because it is larger (max SVL 80.9 mm vs. 64.1 mm); male dorsal pattern is different with presence of light blue or greenish scales on the flanks and tail, absent in L. herman- nunezi.
The new species is different from Liolaemus josei because it has a larger SVL (max SVL 80.9 mm vs. 73.1 mm), it has four scales contacting the mental scale (4–6 in L. josei), evident scapular spots and a broader ventral dark coloration absent in L. josei.
Liolaemus martorii and the new taxon are different by the SVL 80.9 mm in L. dumerili vs. 67.1 mm in L. mar- torii, the number of ventral scales are 88–96 (X = 93.9) and 97–114 (X = 105.0), respectively and dark brown ven- tral coloration is evident in males of L. dumerili. The new taxon differenciates from Liolaemus inacayali, L. martorii, L. rothi and L. sagei because it has a lower number of ventral scales (88–96, X = 93.9 vs. more than 96 in the mentioned species; see Table 1).
Liolaemus dumerili is different from L. boulengeri in presenting a larger SVL (80.9 mm vs. 69.0 mm.), males have light blue and greenish scales on the flanks and tail, never red color in the abdomen (typical of L. boulengeri).
The new species is different from Liolaemus rothi by a smaller SVL (max SVL 80.9 mm vs. 92.0 mm), it has a lower number of ventral scales (88–96, X = 93.9 vs. 96–113, X = 103.6), the presence of scapular spots and ventral coloration absent in L. rothi.
Liolaemus dumerili and L. sagei differ in their SVL (L. dumerili max SVL 80.9 mm vs. 92.8 mm), the new spe- cies has a lower number of scales around the midbody (61–70, X = 65.1 vs. 84–102, X = 88.4), as well as ventral scales (88–96, X = 93.9 vs. 110–124, X = 118.3) and dorsal scales (72–80, X = 76.6 vs. 85–98, X = 90.6). The new species has scapular spots and males show a broader dark brown ventral coloration, absent in L. sagei.
The differences between the new taxon and L. senguer are: SVL, larger in L. dumerili (80.9 mm vs. 62.3 mm), males have light blue and greenish scales on the flanks and tail, broader ventral melanism and abdomen is never blue as in L. senguer.
The new species is different from L. inacayali by the presence of scapular spots, males have light blue and greenish scales on the flanks and absent on tail; in L. inacayali, and a lower number of ventral scales in L. dumerili (88–96, X = 93.9 vs. 107–118, X = 112.6).
The new taxon is different from L. loboi because it has a lower number of ventral scales (88–96 X = 93.9 vs. 94–113 X = 101.8), a larger SVL (max SVL 80.9 mm vs. 72.7 mm), a different pattern of coloration in females and because males show gular melanism.
Liolaemus dumerili is different from L. tehuelche in SVL, being the new taxon larger (max SVL = 80.9 mm vs. 74.2 mm.); there is a different dorsal color pattern and the jaw in the new taxon, which is not melanic in L. dumerili.
is the new species is different from L. telsen by a larger SVL (80.9 mm vs. 68.8 mm.), a lower number of scales around midbody (61–70 X = 65,1 vs. 74–84; X = 77,5), dorsum (72–80 X = 76,6 vs. 83–96; X = 88,8) and the pres- ence of light blue or green scales on the flanks and tail. 
EtymologyThis species is dedicated to the French naturalist and zoologist André Marie Constant Duméril (1774 - 1860). Professor Duméril, taught anatomy, herpetology and ichthyology at the Muséum National d'Histoire Naturelle of Paris from 1801 to 1812. 
References
  • ABDALA C. S., R. V. SEMHAN, D. L. MORENO AZOCAR, M. BONINO, M. M. PAZ & F. CRUZ 2012. Taxonomic study and morphology based phylogeny of the patagonic clade Liolaemus melanops group (Iguania: Liolaemidae), with the description of three new taxa. Zootaxa 3163: 1–32 - get paper here
  • AVILA, LUCIANO JAVIER; LORENA ELIZABETH MARTINEZ & MARIANA MORANDO 2013. Checklist of lizards and amphisbaenians of Argentina: an update. Zootaxa 3616 (3): 201–238
  • Kwet, Axel 2013. Liste der im Jahr 2012 neu beschriebenen Reptilien. Terraria Elaphe 2013 (3): 52-67 - get paper here
 
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