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13 results for “Liolaemus kriegi”
FIG. 2 in Molecular Phylogeny of the Liolaemus kriegi Complex (Iguania, Liolaemini)
FIG. 2.—Different phylogenies for the Liolaemus kriegi complex and related taxa: (a) Bayesian concatenated mitochondrial tree; (b) BEAST (v1.6.1) species tree based on nuclear genes with posterior probability values; (c) Bayesian concatenated tree that includes all genes except the mitochondrial genes of L. sp. B; and (d) BEAST species tree without L. sp. B mitochondrial genes, with posterior probability values. Where given at each node in (a) and (c), Bayesian posterior probability values (BI) are shown to the left of the slash and maximum likelihood (ML) bootstrap values are to the right (the ''-̕̕ indicates no significant support); stars on nodes represent BI = 1.0 and ML = 100%. Estimated divergence times in (d) are marked in light grey; units on the abscissa are expressed in millions of years ago.
Data from: Sampling strategies for delimiting species: genes, individuals, and populations in the Liolaemus elongatus-kriegi complex (Squamata: Liolaemidae) in Andean-Patagonian South America
Recovery of evolutionary history and delimiting species boundaries in widely distributed, poorly-known groups requires extensive geographic sampling, but this is difficult to design a priori because evolutionary diversity is often "hidden" by an inadequate taxonomy. Large data sets are needed, and these provide unique challenges for analysis when they span intra and inter-specific levels of divergence. Protocols have been designed to combine methods of analysis for DNA sequences that exhibit both very shallow and relatively deeper divergences (Crandall and Fitzpatrick, 1996). In this study we combine several tree-based phylogeny reconstruction methods with nested clade analysis, to extract maximum historical signal at various levels, in the poorly-known Liolaemus elongatus-kriegi complex in temperate South America. We implement the basic protocol of Wiens and Penkrot (2002) to test for species boundaries, and propose modifications to accommodate large data sets and gene regions with heterogeneous substitution rates. Combining haplotype trees with nested-clade analyses allowed testing of species boundaries on the basis of a priori defined criteria, and this approach suggests that the number of putative species could be doubled. We discuss these findings in the context of the advantages and limitations of a combined approach for retrieval of maximum historical information in large data sets, in the context of the yet formidable unresolved issues of sampling strategies.
Figure 7 from: Troncoso-Palacios J, Díaz HA, Esquerré D, Urra FA (2015) Two new species of the Liolaemus elongatus-kriegi complex (Iguania, Liolaemidae) from Andean highlands of southern Chile. ZooKeys 500: 83-109. https://doi.org/10.3897/zookeys.500.8725
Figure 7 - Phylogenetic position of Liolaemus zabalai sp. n. in the kriegi clade, based on cytochrome-b (cyt-b) locus according to Medina et al. (2014).
Figure 6 from: Troncoso-Palacios J, Díaz HA, Esquerré D, Urra FA (2015) Two new species of the Liolaemus elongatus-kriegi complex (Iguania, Liolaemidae) from Andean highlands of southern Chile. ZooKeys 500: 83-109. https://doi.org/10.3897/zookeys.500.8725
Figure 6 - Liolaemus zabalai sp. n. A, B Holotype, male C, D Paratype, female E Paratype, male F Paratype, female. All from the type locality, near Los Barros, Laja Lagoon, Biobío Region, Chile.
Figure 8 from: Troncoso-Palacios J, Díaz HA, Esquerré D, Urra FA (2015) Two new species of the Liolaemus elongatus-kriegi complex (Iguania, Liolaemidae) from Andean highlands of southern Chile. ZooKeys 500: 83-109. https://doi.org/10.3897/zookeys.500.8725
Figure 8 - Comparison of the dorsal color pattern. A Liolaemus zabalai sp. n. with marked color pattern and B Liolaemus buergeri, diffuse color pattern.
Figure 5 from: Troncoso-Palacios J, Díaz HA, Esquerré D, Urra FA (2015) Two new species of the Liolaemus elongatus-kriegi complex (Iguania, Liolaemidae) from Andean highlands of southern Chile. ZooKeys 500: 83-109. https://doi.org/10.3897/zookeys.500.8725
Figure 5 - View of the type locality of Liolaemus scorialis sp. n., composed mainly of scoria volcanic rock.
Figure 4 from: Troncoso-Palacios J, Díaz HA, Esquerré D, Urra FA (2015) Two new species of the Liolaemus elongatus-kriegi complex (Iguania, Liolaemidae) from Andean highlands of southern Chile. ZooKeys 500: 83-109. https://doi.org/10.3897/zookeys.500.8725
Figure 4 - Distributional map for Liolaemus scorialis sp. n., Liolaemus zabalai sp. n. and the species of the elongatus-kriegi complex that inhabit in proximity of its. Asterisk: Liolaemus scorialis (red = near Laja Lagoon, type locality; orange = La Mula Lagoon). Star: Liolaemus zabalai sp. n. (light green = road to Los Barros, type locality; blue = distribution in Argentina). Purple circle: Liolaemus carlosgarini. Yellow triangle: Liolaemus flavipiceus. Green pentagon: Liolaemus buergeri. Gray octagon: Liolaemus choique. Brown hexagon: Liolaemus antumalguen. Black cross: Liolaemus punmahuida. Light pink diamond: Liolaemus burmeisteri. Pink square: Liolaemus tregenzai.
Figure 3 from: Troncoso-Palacios J, Díaz HA, Esquerré D, Urra FA (2015) Two new species of the Liolaemus elongatus-kriegi complex (Iguania, Liolaemidae) from Andean highlands of southern Chile. ZooKeys 500: 83-109. https://doi.org/10.3897/zookeys.500.8725
Figure 3 - Comparison of the ventral color pattern. A Liolaemus scorialis sp. n. from type locality, with immaculate gray ventral color B Liolaemus carlosgarini with light gray ventral color and dark inconspicuous spots dispersed.
Figure 2 from: Troncoso-Palacios J, Díaz HA, Esquerré D, Urra FA (2015) Two new species of the Liolaemus elongatus-kriegi complex (Iguania, Liolaemidae) from Andean highlands of southern Chile. ZooKeys 500: 83-109. https://doi.org/10.3897/zookeys.500.8725
Figure 2 - Chilean species of the elongatus-kriegi complex that live near the distribution of Liolaemus scorialis sp. n. and Liolaemus zabalai sp. n. A Liolaemus buergeri from El Planchón (type locality, photos by J. Troncoso-Palacios) B Liolaemus buergeri from Altos de Lircay (photos by R. Díaz) C Liolaemus carlosgarini from the road to the Maule Lagoon (type locality, photos by J. Troncoso-Palacios) D Liolaemus flavipiceus from the Maule Lagoon (photos by C. Garín).
Figure 1 from: Troncoso-Palacios J, Díaz HA, Esquerré D, Urra FA (2015) Two new species of the Liolaemus elongatus-kriegi complex (Iguania, Liolaemidae) from Andean highlands of southern Chile. ZooKeys 500: 83-109. https://doi.org/10.3897/zookeys.500.8725
Figure 1 - Liolaemus scorialis sp. n. A, B Holotype, male C, D Paratype, female E Paratype, male F Paratype, female. All from the type locality, 7 km NW of the summit of the Antuco Volcano, near the Laja Lagoon, Biobío Region, Chile.
Data from: Sampling strategies for delimiting species: genes, individuals, and populations in the Liolaemus elongatus-kriegi complex (Squamata: Liolaemidae) in Andean-Patagonian South America
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Figure 9 from: Troncoso-Palacios J, Díaz HA, Esquerré D, Urra FA (2015) Two new species of the Liolaemus elongatus-kriegi complex (Iguania, Liolaemidae) from Andean highlands of southern Chile. ZooKeys 500: 83-109. https://doi.org/10.3897/zookeys.500.8725
Figure 9 - View of the type locality of Liolaemus zabalai sp. n.
FIG. 1 in Molecular Phylogeny of the Liolaemus kriegi Complex (Iguania, Liolaemini)
FIG. 1.—Map showing sampling localities of the Liolaemus kriegi complex and two related taxa. Circles and squares correspond to localities for described and candidate species, respectively. Liolaemus buergeri (1–6); L. ceii (7), L. kriegi (8, 9), and L. tregenzai (10); L. sp. A (11–13), L. sp. B (14); L. sp. C (15, 16), and L. sp. D (17–19). Locality 14 includes two sampled sites in close geographic proximity that are distinct (see Appendix).
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