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32 results for “Ctenotus”
Figure 2 in Subspecies at crossroads: the evolutionary significance of genomic and phenotypic variation in a wide-ranging Australian lizard (Ctenotus pantherinus)
Figure 2. Selected phenotypic characters examined in museum specimens of Ctenotus pantherinus and their variation. A, dorsal coloration (from left to right): typical ocellated pattern, vertebral stripe, longitudinal lines, hiatus of ocelli on the vertebral region and ocelli with thick dark borders. B, condition of the plantar scales: smooth, pyramidal and with a spiny projection. C, condition of the subdigital lamellae (yellow arrows): single broad keel, single fine keel and fine medial keel flanked by two smaller parallel keels. Variation among the character states shown was often near-continuous and difficult to categorize.
Figure 1. A in Subspecies at crossroads: the evolutionary significance of genomic and phenotypic variation in a wide-ranging Australian lizard (Ctenotus pantherinus)
Figure 1. A, Illustrative picture of C. pantherinus in life (subspecies C. p. ocellifer), courtesy of Eric Vanderduys. B, C, distributions of currently recognized Ctenotus pantherinus subspecies. B, presumed distributions of C. pantherinus subspecies as typically presented in field guides and taxonomic compendiums (based on Ehmann & Strahan, 1992; Storr et al., 1999). Subspecies are as follows: C. p. acripes (a), C. p. calx (c), C. p. ocellifer (o) and C. p. pantherinus (p). Note the disjunct distribution of C. p. acripes, whose type locality is on a Western Australian island (Barrow Island; arrow). C, sampling localities of 1464 voucher specimens split by subspecies assignment as in the original museum records (for details on how we compiled these data, see the Material and methods section). Note that subspecies ranges as commonly understood (B) often disagree with those suggested by museum records.
FIGURE 6 in Molecular phylogeny and morphological revision of the Ctenotus labillardieri (Reptilia: Squamata: Scincidae) species group and a new species of immediate conservation concern in the southwestern Australian biodiversity hotspot
FIGURE 6. Photographs of the holotype of Ctenotus ora sp. nov. (WAM R131983).
FIGURE 16 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone
FIGURE 16. Ctenotus pallasotus sp. nov. holotype (specimen from WAM). Scale bar is 10 mm.
FIGURE 15 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone
FIGURE 15. Ctenotus rhabdotus sp. nov. holotype (specimen from WAM). Scale bar is 10 mm.
FIGURE 5 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone
FIGURE 5. Variation in Ctenotus piankai senso stricto (all specimens from WAM). Scale bar is 10 mm.
FIGURE 14 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone
FIGURE 14. Ctenotus duricola holotype (specimen from WAM). Scale bar is 10 mm.
FIGURE 13 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone
FIGURE 13. Ctenotus piankai holotype (specimen from WAM). Scale bar is 10 mm.
FIGURE 9 in Lizards in pinstripes: morphological and genomic evidence for two new species of scincid lizards within Ctenotus piankai Storr and C. duricola Storr (Reptilia: Scincidae) in the Australian arid zone
FIGURE 9. (A) Maximum likelihood phylogeny of cytochrome B sequences (n = 99) from C. duricola, C. piankai, C. rhabdotus sp. nov., and C. pallasotus sp. nov., with branch lengths proportional to the estimated number of substitutions that have occurred. Clades are labeled by their ultimate taxonomic designation. Black circles on interior nodes denote nodes with strong support from both maximum likelihood (bootstrap proportion> 0.99) and Bayesian (posterior probability> 0.99) phylogenetic analyses. (B) Geographic distribution of C. piankai (blue triangles) and C. rhabdotus sp. nov. (gray circles) mtDNA haplotypes. (C) Geographic distribution of C. duricola (red circles) and C. pallasotus sp. nov. (yellow triangles) haplotypes in the Pilbara region. Arrows (n = 3) denote individuals with mtDNA genotypes that are in conflict with the general geographic distribution of duricola and pallasotus-type haplotypes. Genome-wide RAD data for these individuals suggest that limited mtDNA introgression has occurred between C. pallasotus sp. nov. and C. duricola (see Fig. 10).
Figure 3 in Subspecies at crossroads: the evolutionary significance of genomic and phenotypic variation in a wide-ranging Australian lizard (Ctenotus pantherinus)
Figure 3. Geographical distribution of the characters proposed to diagnose subspecies in Ctenotus pantherinus. The top left panel indicates the presumed ranges of the four subspecies as in Figure 1B: C. p. acripes (a), C. p. calx (c), C. p. ocellifer (o) and C. p. pantherinus (p). For the quantitative characters (remaining left panels), colours of circles indicate average trait values in a locality. Juveniles (<75 mm) were not included in the snout–vent length map. For the qualitative characters (right panels), pie charts indicate the relative frequency of alternative character states in a locality. Some character states tended to be more frequent in certain regions, yet many specimens deviated from these regional trends.
Figure 5 in Subspecies at crossroads: the evolutionary significance of genomic and phenotypic variation in a wide-ranging Australian lizard (Ctenotus pantherinus)
Figure 5. Phylogenetic relationships in Ctenotus pantherinus and geographical distribution of inferred clades. A, phylogenetic tree based on a dataset including 85 743 nuclear single nucleotide polymorphisms from a double-digest restriction site-associated data (ddRAD) approach. B, tree based on the cytochrome b mitochondrial marker. Asterisks indicate samples from the type locality of C. p. acripes, a taxon that we deem invalid (see main text). C, geographical distributions of major nuclear clades. D, distributions of major mitochondrial clades. Nuclear and mitochondrial trees show multiple points of discordance and limited correspondence to putative population assignments to subspecies.
Figure 4 in Subspecies at crossroads: the evolutionary significance of genomic and phenotypic variation in a wide-ranging Australian lizard (Ctenotus pantherinus)
Figure 4. Evidence of weak and inconsistent phenotypic and phylogenetic coherence and distinctiveness of Ctenotus pantherinus subspecies. A, morphospace defined by two axes from non-parametric multidimensional scaling on seven characters scored from museum specimens (N = 145). Many specimens putatively corresponding to the same subspecies (based on geographical ranges) did not group in morphological space, whereas samples assignable to different subspecies often grouped together. B, C, both the nuclear (B) and mitochondrial (C) phylogenetic analyses suggest paraphyly of subspecies. For detailed phylogenetic trees and corresponding clade distributions, see Figure 5.
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