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30 results for “Liolaemus elongatus”
FIGURE 7. Cytochrome b in A new species of lizard of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Curi Leuvu River Valley, northern Patagonia, Neuquén, Argentina
FIGURE 7. Cytochrome b gene tree showing Liolaemus burmeisteri in relation with other members of the elongatus clade and species of the petrophilus and kriegi clades, based on Bayesian analyses; numbers above nodes are posterior probability values.
FIGURE 6 in A new species of lizard of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Curi Leuvu River Valley, northern Patagonia, Neuquén, Argentina
FIGURE 6. Type locality of Liolaemus burmeisteri. Upper: general view of the area. Below: close view of the common outcrops where lizards were collected.
FIGURE 5 in A new species of lizard of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Curi Leuvu River Valley, northern Patagonia, Neuquén, Argentina
FIGURE 5. Map of northwestern Neuquén province showing the complex landscape of northern Patagonia Andes. Red circle marks the Liolaemus burmeisteri type locality. Main mountain ranges, cities, and roads are marked. Yellow outline: approximate boundaries of the Curi Leuvu River Valley Inset: Region in South América.
FIGURE 1 in A new species of lizard of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Curi Leuvu River Valley, northern Patagonia, Neuquén, Argentina
FIGURE 1. Liolaemus burmeisteri, holotype, adult male in dorsal and ventral view, from Curi Leuvu River Valley, on Ruta Provincial 41, 7 km S Caepe Malal, Chos Malal Department, Neuquén province, Argentina.
FIGURE 2 in A new species of lizard of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Curi Leuvu River Valley, northern Patagonia, Neuquén, Argentina
FIGURE 2. Liolaemus burmeisteri, holotype adult male in dorsal and ventral view (MLP.S 2612), from Curi Leuvu River Valley, on Ruta Provincial 41, 7 km S Caepe Malal, Chos Malal Department, Neuquén province, Argentina.
FIGURE 5 in A new species of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Cordillera del Viento, northwestern Patagonia, Neuquén, Argentina
FIGURE 5. Upper: general view of the type locality of Liolaemus antumalguen from a southern perspective. Below: detail of the type locality rocky environment. Lizard activity was more intense around the rocks surrounding the Chadileu Creek.
FIGURE 3 in A new species of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Cordillera del Viento, northwestern Patagonia, Neuquén, Argentina
FIGURE 3. Dorsal and ventral variation in color patterns of individuals of the type series. From upper to below: males, dorsal and ventral view, females, dorsal and ventral view.
FIGURE 1 in A new species of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Cordillera del Viento, northwestern Patagonia, Neuquén, Argentina
FIGURE 1. Liolaemus antumalguen, holotype adult male (MACN 38985), from Chadileu Creek, eastern piedmont of Domuyo Volcano, Chos Malal Department, Neuquén Province, Argentina.
FIGURE 4 in A new species of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Cordillera del Viento, northwestern Patagonia, Neuquén, Argentina
FIGURE 4. Type locality of Liolaemus antumalguen (red dot). Open circles identify main towns in the region. Yellow doted area: approximate extension of the Cordillera del Viento massif. Red dot-line mark boundaries between Mendoza and Neuquén province. Insert: the area in South America.
FIGURE 6 in A new species of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Cordillera del Viento, northwestern Patagonia, Neuquén, Argentina
FIGURE 6. Phylogenetic relationships of Liolaemus antumalguen with other members of the elongatus-kriegi complex, based on Bayesian analyses; numbers above the nodes are posterior probability values.
FIGURE 6 in Molecular phylogenetic relationships of the lizard clade Liolaemus elongatus (Iguania: Liolaemini) with the description of a new species from an isolated volcanic peak in northern Patagonia
FIGURE 6. Type locality of Liolaemus crandalli. Upper: general view of the region around Park Ranger Station on Area Natural Protegida Auca Mahuida. Below: close view of the common outcrops where lizards were collected or observed basking or hiding in crevices.
FIGURE 4 in Molecular phylogenetic relationships of the lizard clade Liolaemus elongatus (Iguania: Liolaemini) with the description of a new species from an isolated volcanic peak in northern Patagonia
FIGURE 4. Variation in dorsal coloration of several individuals observed at type locality; all in natural conditions. Bottom photograph, an adult male of Liolaemus elongatus showing the typical dorsal pattern in western Chubut (region were the species was originally described).
FIGURE 3 in Molecular phylogenetic relationships of the lizard clade Liolaemus elongatus (Iguania: Liolaemini) with the description of a new species from an isolated volcanic peak in northern Patagonia
FIGURE 3. Liolaemus crandalli, holotype adult male in dorsal and ventral view (MLP.S 2631), from Auca Mahuida volcano type locality, Pehuenches Department, Neuquén, Argentina.
FIGURE 5 in Molecular phylogenetic relationships of the lizard clade Liolaemus elongatus (Iguania: Liolaemini) with the description of a new species from an isolated volcanic peak in northern Patagonia
FIGURE 5. Map of northern Neuquén and southern Mendoza region showing the complex landscape of northwestern Patagonia. Arrow marks Liolaemus crandalli type locality. Small red circles mark L. crandalli collection/observed localities. Orange dotted line marks distributional limits of species related to the Liolaemus elongatus clade; question mark in Chachahuen Mountains are populations of uncertain phylogenetic placement. Yellow dotted line marks Auca Mahuida Volcanic Field boundaries. Main mountains ranges, cities, and roads are marked. Colorado River drainage is marked in blue. Inset: Region in South America.
FIGURE 1 in Molecular phylogenetic relationships of the lizard clade Liolaemus elongatus (Iguania: Liolaemini) with the description of a new species from an isolated volcanic peak in northern Patagonia
FIGURE 1. Bayesian concatenated gene tree showing the topological position of Liolaemus crandalli with other members of the L. elongatus clade, and species of the L. petrophilus and L. kriegi clades. Numbers above nodes are posterior probability values, blue thick lines represent posterior probability values> 0.95.
FIGURE 2 in Molecular phylogenetic relationships of the lizard clade Liolaemus elongatus (Iguania: Liolaemini) with the description of a new species from an isolated volcanic peak in northern Patagonia
FIGURE 2. Liolaemus crandalli (MLP.S 2631) adult male in dorsal and ventral view, from Auca Mahuida volcano type locality, Pehuenches Department, Neuquén province, Argentina.
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 4 in A new species of lizard of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Curi Leuvu River Valley, northern Patagonia, Neuquén, Argentina
FIGURE 4. Dorsal variation in color pattern of females of the type series.
FIGURE 3 in A new species of lizard of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Curi Leuvu River Valley, northern Patagonia, Neuquén, Argentina
FIGURE 3. Dorsal variation in color pattern of males of the type series.
FIGURE 2 in A new species of the Liolaemus elongatus clade (Reptilia: Iguania: Liolaemini) from Cordillera del Viento, northwestern Patagonia, Neuquén, Argentina
FIGURE 2. Dorsal and ventral view of the preserved holotype (MACN 38985).
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