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1,047 results for “Salamanders”
Figure 2 in Systematics of dusky salamanders, Desmognathus (Caudata: Plethodontidae), in the mountain and Piedmont regions of Virginia and North Carolina, USA
Figure 2. Estimated natural logarithm of the probability of obtaining the genotypic data across 19 variable loci plotted against the number of designated population clusters. Lines connect median values of –lnP(data|K).
Figure 1 in Systematics of dusky salamanders, Desmognathus (Caudata: Plethodontidae), in the mountain and Piedmont regions of Virginia and North Carolina, USA
Figure 1. Sample localities. The triangle (Population 15) indicates the type locality of Desmognathus planiceps. Solid lines in the lower map indicate approximate boundaries of physiographic provinces.
Figure 5. A in Metamorphosis and evolution of feeding behaviour in salamanders of the family Plethodontidae
Figure 5. A, Kinematic profiles of suction feeding in larval D. quadramaculatus. Gape distance shows a symmetrical profile, with mouth opening and closing taking nearly the same amount of time. Peak hyobranchial depression follows peak gape. Head lifting occurs during mouth opening and head dipping during mouth closing. Note the extremely rapid gape cycle which takes only 28 ms. B, Suction feeding in larval G. porphyriticus. As in A, mouth opening and closing are of nearly the same duration, peak hyobranchial depression follows peak gape, and the gape cycle is extremely rapid at 29 ms.
Figure 6 in A Late Jurassic salamander (Amphibia: Caudata) from the Morrison Formation of North America
Figure 6. Iridotriton hechti gen. et sp. nov., DINO 16453a. Skull region, as exposed. Abbreviations: al.pr, alary process of premaxilla; At, atlas; Crb.2, rib of second vertebra; Cv.2, second vertebra; L.An, left angular; L.D, left dentary; L.Fr, left frontal; L.Mx, left maxilla; L.Oc. left otic capsule; L.P, parietal; L.Pmx, left premaxilla; L.Pra, left prearticular; L.Prf, left prefrontal; L.Pt, left pterygoid; L.Sq, left squamosal; N, possible left nasal; Ps, parasphenoid; R.D, right dentary;?R.Fr, possible right frontal; R.Mx, right maxilla; R.N, right nasal; R.Oc, right otic capsule; R.P, right parietal; R.Pmx, right premaxilla; R.Pt, right pterygoid;?R.Sq, possible right squamosal; St, stapes. Scale bar = 1 mm.
FIGURE 11. A in Two new Salamanders of the genus Onychodactylus from Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae)
FIGURE 11. A male paratype of O. fuscus sp. nov. (KUHE 48283) in life.
FIGURE 5 in Two new Salamanders of the genus Onychodactylus from Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae)
FIGURE 5. Male holotype of O. intermedius sp. nov. (KUHE 47455) in life.
Biological size as a predictor of physiological performance and evolution: Evidence from lungless salamanders
<p>Gross physiological performance in multicellular organisms coordinates processes operating from the cellular to whole-organism level, and thus may be influenced by physical constraints imposed by both cell size and body size. A useful measure of joint cell and body size variation is biological size, defined here as the ratio of body volume to mean cell volume. We surveyed literature data across four vertebrate clades and documented wide variation in two proxies for biological size, even between species of equivalent body size. We evaluated these proxies in a sample of lungless salamanders (Urodela: Plethodontidae) and used linear and evolutionary regressions to compare their power to predict variation in metabolic and water loss physiology to that of body size alone. One proxy (the ratio of body length to the square root of genome size) consistently outperformed mass in predicting water loss rates, and residual variation from evolutionary trends in the other proxy (the ratio of mass to genome size) consistently explained the most variance across all physiological responses. These results suggest that for some traits in some taxa, biological size may be a more functionally relevant predictor of performance than body size alone. Physiological ecology is replete with studies characterizing the effects of body size. We suggest that future studies of size effects additionally consider the role of cell size variation (and genome size variation as one of its determinants) to improve our understanding of when and how biological size influences organismal form and function.</p>
Fig. 4 in Larval Development And Habitat Usage Of Stream-Breeding Fire Salamanders In An Urban Environment
Fig. 4. Principal components analysis of stream substrate composition at 16 stream segments, "Hűvös-ér" stream. PC1 described a gradient from stream segments with a high % cover of fine gravel to segments with a high % cover of concrete. PC2 described a gradient from segments with a high % cover of sand to segments with a high cover of stones
FIGURE 4. The estimated delta K and mean lnL values for each K in Taxonomic reassessment of salamanders (genus Hynobius) from Tsushima Islands Japan, with a resurrection of Hynobius tagoi Dunn, 1923 (Amphibia: Caudata)
FIGURE 4. The estimated delta K and mean lnL values for each K.
Relaxed predation selection on rare morphs of Ensatina salamanders (Caudata: Plethodontidae) promotes a polymorphic population in a novel dune sand habitat
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Data from: Correlations of life-history and distributional-range variation with salamander diversification rates: evidence for species selection
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Data from: Habitat attributes associated with short-term settlement of Ozark hellbender (Cryptobranchus alleganiensis bishopi) salamanders following translocation to the wild
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Data from: LTR retrotransposons contribute to genomic gigantism in plethodontid salamanders
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Data from: The effects of contig length and depth on the estimation of SNP frequencies, and the relative abundance of SNPs in protein-coding and non-coding transcripts of tiger salamanders (Ambystoma tigrinum)
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Vastly underestimated radiation of Amazonian salamanders (Plethodontidae: Bolitoglossa) and implications about plethodontid diversification
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Data from: Preservation-induced morphological change in salamanders and failed DNA extraction from a decades-old museum specimen: implications for Plethodon ainsworthi
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Data from: Color-biased dispersal inferred by fine-scale genetic spatial autocorrelation in a color polymorphic salamander
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Data from: Molecular phylogenetics of desmognathine salamanders (Caudata: Plethodontidae): a reevaluation of evolution in ecology, life history, and morphology
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Data from: Comparative limb bone loading in the humerus and femur of the tiger salamander: testing the ‘mixed-chain’ hypothesis for skeletal safety factors
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Data from: Bony labyrinth morphometry reveals hidden diversity in lungless salamanders (Family Plethodontidae): structural correlates of ecology, development, and vision in the inner ear
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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