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515 results for “skinks”
FIGURES 1. a & b in The Okuru skink (Oligosoma carinacauda sp. nov) of South Westland, New Zealand-simply elusive or extinct?
FIGURES 1. a & b. Oligosoma carinacauda sp. nov., type specimen NMNZ RE005417 as live animal. (a) dorsal and (b) ventral view. Photographs by A.H. Whitaker.
FIGURE 2 in A new species of rock skink (Scincidae: Liopholis) from the Central Ranges bioregion of arid Australia
FIGURE 2. Mensural character variation between lineages based on n = 54 specimens. (A) Biplot of PCA with axes showing the first two principal components (PC1 and PC2) and their percentage of explained variation. Large, coloured ovals denote the 90% concentration ellipses for each lineage. Small points denote PC scores of individuals, whereas large points denote group centroids. Holotype specimens are denoted by 'H' above data points. Variables are denoted by arrows, the direction and length of which indicates their degree of contribution to each axis. Each variable is coloured according to its percentage contribution to its associated PC. (B) Graph of mensural character loadings from PCA. (C) Violin plots with embedded boxplots of size corrected mensural characters for each lineage showing the mean (white dot), range, frequency, and inter-quartile range (black rectangle). Asterisks denote characters bearing statistically significant mean differences. Note that SVL was not included in the PCA of size adjusted characters, but is presented in C to show raw adult (> 75 mm SVL) variation in SVL (n = 62 for SVL in C).
FIGURE 5 in A new species of rock skink (Scincidae: Liopholis) from the Central Ranges bioregion of arid Australia
FIGURE 5. Colour pattern variation in Liopholis aputja sp. nov. from Aliwanyiwanyinya Rockhole, SA (A, B); Apara Springs, SA (C); Alalkanya Gorge, SA (D, GenBank: PQ067254); and comparison with L. margaretae patterned morph at Ormiston Gorge, NT (E, GenBank: PQ067258) and plain morph at Kings Canyon, NT (F, GenBank: PQ067257). Photos: Jordan Mulder (A–C); Jules Farquhar (D–F).
FIGURES 3. a–c in The Okuru skink (Oligosoma carinacauda sp. nov) of South Westland, New Zealand-simply elusive or extinct?
FIGURES 3. a–c. Oligosoma carinacauda sp. nov. type specimen NMNZ RE005417. Photographs by Jean-Claude Stahl (Te Papa Tongarewa / Museum of New Zealand). (a) dorsal; (b) lateral; and (c) ventral views of holotype.
FIGURE 4 in The Okuru skink (Oligosoma carinacauda sp. nov) of South Westland, New Zealand-simply elusive or extinct?
FIGURE 4. Habitat loss at type locality. The type specimen was found in sphagnum in the centre of this photograph. The land has since been drained and converted into pastureland. Photograph by Trent Bell.
FIGURE 2 in A new skink (Scincidae: Saproscincus) from rocky rainforest habitat on Cape Melville, north-east Australia
FIGURE 2. In S. saltus (QMJ92562 depicted here) and other species in the 'northern' group of Saproscincus, typically three scales contact the posterior margin of each parietal (P) scale. These scales are defined as a single nuchal (N) and two temporal (T) scales. This gives a total of six scales contacting the posterior margin of the parietal scales.
FIGURE 6 in A new skink (Scincidae: Saproscincus) from rocky rainforest habitat on Cape Melville, north-east Australia
FIGURE 6. Habitat of S. saltus sp. nov., Melville Range. (A) shows the edge of the rainforest plateau and the extensive boulder-fields that characterize Cape Melville. (B) shows the rocky rainforest at the type locality.
FIGURE 1 in A new skink (Scincidae: Saproscincus) from rocky rainforest habitat on Cape Melville, north-east Australia
FIGURE 1. Map of north-east Queensland, showing Cape Melville and the northern Wet Tropics region, and the Saproscincus present in each of these areas. McIlwraith Range is also shown. The inset shows Australia. Background image is from Google Maps (Imagery 2013 NASA, Map data 2013 GBRMPA, Google).
FIGURE 4 in A new skink (Scincidae: Saproscincus) from rocky rainforest habitat on Cape Melville, north-east Australia
FIGURE 4. Comparison of: (A) S. saltus sp. nov. (QMJ92562), (B) S. lewisi (Shiptons Flat), and (C) S. basiliscus (Curtain Fig NP). Photos B and C courtesy of Steve Wilson.
Temperature predicts the rate of molecular evolution in Australian Eugongylinae skinks
<p>Temperature differences over time and space has been hypothesized to cause variation in the rate of molecular evolution of species, but empirical evidence is mixed. To further test this hypothesis, we utilized a large exon-capture sequence data of Australian Eugongylinae skinks, exemplifying a radiation of temperature-sensitive ectotherms spanning a large latitudinal gradient. The association between temperature (and other species traits) and long-term substitution rate was assessed based on 1268 sequenced exons of 44 species pairs from the Eugongylinae subfamily using regression analyses. Temperature is the strongest, positively-correlated predictor of variation in substitution rate across the Australian Eugongylinae. It explains 45% of variation in synonymous substitution rate, and 11% after controlling for all the other factors. Synonymous substitution rate is also negatively associated with body size, with 6% variation explained by body size after controlling for the effects of temperature. Other factors are not associated with synonymous substitution rate after controlling for temperature. Overall, this study points to temperature as a strong predictor of the molecular evolution rate in the Eugongylinae subfamily, and demonstrates the power of large-scale exonic data to identify correlates of the rate of molecular evolution.</p>
FIGURE 3 in Interrelationships and history of the slit-eared skinks (Gongylomorphus, Scincidae) of the Mascarene islands, based on mitochondrial DNA and nuclear gene sequences
FIGURE 3. Phylogeography of Gongylomorphus skinks in Mauritius based on 1102bp of combined mtDNA sequence data. Lower-case letters refer to collection localities in Fig. 1 and Table 1. Haplotype networks are drawn with the areas of circles proportional to number of individuals observed; dots represent unobserved haplotypes, and lines between them each represent a single nucleotide substitution. Filled circles represent samples collected from extant populations, and open circles samples from extinct ones.
FIGURE 2 in Interrelationships and history of the slit-eared skinks (Gongylomorphus, Scincidae) of the Mascarene islands, based on mitochondrial DNA and nuclear gene sequences
FIGURE 2. Bayesian maximum likelihood tree for extinct and extant Gongylomorphus skinks and a range of outgroup taxa, based on 1473 bp of combined mitochondrial (12S rRNA, cytochrome b) and nuclear (c-mos) DNA sequence. Numbers adjacent to nodes indicate: Bayesian posterior probability/MP bootstrap support values for analyses conducted using all samples (top line, if present), and only a subset of samples with full-length sequence for all three genes (bottom or only line). Letters a-s indicate the sampling locality in Mauritius for each specimen (Fig. 1, Table 1). Letters in bold are specimens which were sequenced for all three genes. Letters suffixed by an * are specimens that represent extinct populations.
FIGURE 1 in Interrelationships and history of the slit-eared skinks (Gongylomorphus, Scincidae) of the Mascarene islands, based on mitochondrial DNA and nuclear gene sequences
FIGURE 1. (A) Map of the west Indian Ocean showing the location of the Mascarene islands. (B) Mauritius showing collection localities for Gongylomorphus bojerii skinks used in the present study. (C) Mauritius showing collection localities for Gongylomorphus 'orange-tail' and G. fontenayi skinks used in the present study. * indicates extinct populations.
Figure 4 in The phylogenetic systematics of blue-tailed skinks (Plestiodon) and the family Scincidae
Figure 4. The inter-relationships of (A) Plestidon latiscutatus group (sensu this study) and (b) the brevirostris group species (sensu this study) inferred by simultaneous gene tree and species tree analysis of the nuclear loci assuming a multi-species coalescent with *BEAST.
Figure 2 in The phylogenetic systematics of blue-tailed skinks (Plestiodon) and the family Scincidae
Figure 2. The inter-relationships of the major lineages of Scincidae, including the placement of Plestiodon, inferred by partitioned Bayesian analysis of the entire concatenated multilocus DNA data set. Nodes with open circles are supported with a posterior probability of 1.0. Nodes with a posterior probability <1.0 are indicated with numbers above or below the node. Branch lengths represent means of the posterior distribution. Taxa once considered part of the genus Eumeces s.l. are shaded in grey.
Figure 3. A in The phylogenetic systematics of blue-tailed skinks (Plestiodon) and the family Scincidae
Figure 3. A continuation of Figure 2 showing the inter-relationships of Plestiodon species. Nodes with open circles are supported with a posterior probability of 1.0. Nodes with a posterior probability <1.0 are indicated with numbers above or below the node. Nodes with a posterior probability of <0.50 are collapsed. Branch lengths represent means of the posterior distribution. Clades A, B1, B2, and C1–C5 refer to the clades discussed in the text.
Figure 6 in Molecular systematics of the Philippine forest skinks (Squamata: Scincidae: Sphenomorphus): testing morphological hypotheses of interspecific relationships
Figure 6. Sulcate, lateral, and asulcate views of Pinoyscincus abdictus abdictus hemipenis showing (arrows) the unique bulbous lobe structures on the lateral region of the main shaft before the bifurcation. Scale bar = 5 mm.
Figure 1. A in Molecular systematics of the Philippine forest skinks (Squamata: Scincidae: Sphenomorphus): testing morphological hypotheses of interspecific relationships
Figure 1. A map of the Philippine Islands with the major landmasses labelled. The light grey areas depict the 120 m bathymetric contour that joined some neighbouring islands into Pleistocene aggregate island complexes (PAICs).
Figure 3. Molecular phylogeny from Figure 2 in Molecular systematics of the Philippine forest skinks (Squamata: Scincidae: Sphenomorphus): testing morphological hypotheses of interspecific relationships
Figure 3. Molecular phylogeny from Figure 2 with sampling reduced to one sample per species. Support is the same as Figure 2. Biogeographical ranges for Sphenomorphus species are marked on the phylogeny. Clades discussed in the text are denoted with letters A–K.
Figure 5 in Molecular systematics of the Philippine forest skinks (Squamata: Scincidae: Sphenomorphus): testing morphological hypotheses of interspecific relationships
Figure 5. Lateral view of the heads of Tytthoscincus hallieri (A, redrawn from Inger et al., 2001: fig. 4) and of Parvoscincus cf. decipiens 1 (B). The temporal scales (highlighted in grey) of the new genus Tytthoscincus are small and blend in with the body scales, which is different from the typical shield-like temporal scales (B).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.