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Liolaemus abaucan ETHERIDGE, 1993

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Higher TaxaLiolaemidae, Iguania, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymLiolaemus abaucan ETHERIDGE 1993
Liolaemus (Eulaemus) abaucan — SCHULTE et al. 2000
Liolaemus abaucan — CAMARGO et al. 2012 
DistributionArgentina (Catamarca)

Type locality: 12 km South of Palo Blanco, Ruta Prov. 34, Dpto. Tinogasta  
ReproductionOviparous. 
TypesHolotype: FML 2638 
DiagnosisDiagnosis. Within the Liolaemus darwinii complex, adult males of Liolaemus abaucan may be distinguished from L. darwinii, L. olongasta and L. laurenti in lacking intensely dark pigment within the antehumeral fold, from L. quilmes, L. ornatus, L. irregularis and L. uspallatensis in having the postscapular spots enlarged; and, from L. ornatus and L. irregularis in having precloacal pores in 10 per cent or fewer of the females rather than more than 95 per cent, and a very different dorsal pattern (Etheridge 1993: 165).

Variation. Maximum size, and variation in tail/total length, scale counts, and prec10acal pores are provided in Tables 1-4. No neonatal individuals available; smallest male 47 mm snout-vent length, smallest female 41 mm, both with fully adult pattern (Etheridge 1993: 166).

Coloration: Ground color usually grey or bluish-grey, sometimes a light brick-red. Males usually without stripes, but middorsal and dorsolateral stripes sometimes indistictly indicated on neck and anterior body. Prescapular and postscapular spots always large and distinct, usually followed by one or more enlarged lateral spots. Paravertebral spots highly variable, sometimes distinct but more often modified by a change in shape, fragmentation or loss; anterior paravertebral spots frequently transversely enlarged to form, with adjacent lateral spots, indistinct cross bands on neck and anterior body. Throat immaculate, or more often with diffuse, greyish pigment or an indistict reticulum or spots.
Female dorsal pattern with moderately distinct stripes and spots of standard pattern, or stripes and spots variously fragmented, reduced or absent; some females nearly solid grey above, with only ventrolateral light stripes indicated as a series ofsmall, light spots. All with dorsal surface ofdigits white or pinkish; dorsal surface of tail sometimes pinkish, most noticeable in the smallest female examined. Ventral surfaces as in males, but with throat pigmentation less developed. Gravid females with orange or reddish-orange pigment on the sides of the head and neck (PI. 2.2, Etheridge 1993: 166). 
CommentMember of the darwinii group of Liolaemus. 
EtymologyThe name is in reference to the valley ofthe Rio Abaucan in western Catamarca Province, to which this species apparently is restricted. 
References
  • Abdala, C.S. 2005. Una nueva especie del género Liolaemus perteneciente al complejo darwinii (Iguania:Liolaemidae) de la provincia de Catamarca, Argentina. Revista Española de Herpetologia 19:5-17 - get paper here
  • Abdala, C.S. 2007. Phylogeny of the boulengeri group (Iguania: Liolaemidae, Liolaemus) based on morphological and molecular characters. Zootaxa 1538: 1-84 - get paper here
  • ABDALA, CRISTIAN SIMÓN; ANDRÉS SEBASTIÁN QUINTEROS,, FEDERICO ARIAS, SABRINA PORTELLI & ANTONIO PALAVECINO 2011. A new species of the Liolaemus darwinii group (Iguania: Liolaemidae) from Salta Province, Argentina. Zootaxa 2968: 26–38 - 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 - get paper here
  • Camargo, Arley; Luciano J. Avila, Mariana Morando, and Jack W. Sites, Jr 2012. Accuracy and Precision of Species Trees: Effects of Locus, Individual, and Base Pair Sampling on Inference of Species Trees in Lizards of the Liolaemus darwinii Group (Squamata, Liolaemidae). Systematic Biology 61: 272-288 - get paper here
  • Etheridge, R. 1993. Lizards of the Liolaemus darwinii complex (Squamata: Iguania: Tropiduridae) in Northern Argentina. MUSEO REGIONALE DI SCIENZE NATURALI BOLLETTINO (TURIN). 11 (1): 137-199
  • Etheridge, R. 2000. A review of lizards of the Liolaemus wiegmannii group (Squamata, Iguania, Tropiduridae), and a history of morphological change in the sand-dwelling species. Herpetological Monographs 14: 293-352 - get paper here
  • Morando, M.; Avila, L.J.; Baker, J. & Sites, J.W. 2004. PHYLOGENY AND PHYLOGEOGRAPHY OF THE LIOLAEMUS DARWINII COMPLEX (SQUAMATA: LIOLAEMIDAE): EVIDENCE FOR INTROGRESSION AND INCOMPLETE LINEAGE SORTING. Evolution 58 (4): 842–861 - get paper here
  • SCHULTE II, JAMES A.; J. ROBERT MACEY, ROBERT E. ESPINOZA AND ALLAN LARSON 2000. Phylogenetic relationships in the iguanid lizard genus Liolaemus: multiple origins of viviparous reproduction and evidence for recurring Andean vicariance and dispersal. Biological Journal of the Linnean Society 69: 75–102 - get paper here
  • Tulli, M.J.; F.B. Cruz, A. Herrel, B. Vanhooydonck, V. Abdala 2009. The interplay between claw morphology and microhabitat use in neotropical iguanian lizards. Zoology 112 (5): 379-392 - get paper here
 
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