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109 results for “Tropidurus”
Figure 4 in Diverging structures, perch heights, temperatures, and levels of sunlight of spatial niche dimensions ease the syntopic life of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata: Tropiduridae)
Figure 4. Differences in distances from nearest potential shelters (cm, log) among types of shelter for Tropidurus semitaeniatus. The mean distance was longer from vegetation than from rock shelters. Upwards, the horizontal lines of the boxplots represent the minimum range, first quartile, median, third quartile, and maximum range. The unit of the original measurement scale is presented for the logarithmic values of the vertical axis.
Figure 2 in Diverging structures, perch heights, temperatures, and levels of sunlight of spatial niche dimensions ease the syntopic life of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata: Tropiduridae)
Figure 2. Ordination by non-metric multidimensional scaling comparing proportions of shade, filtered sunlight, and full sunlight, air temperatures and substrate temperatures between (a) Tropidurus hispidus (○) and T. semitaeniatus (×) (stress = 0.1785), (b) T. hispidus (○) and environmental availability (∆) (stress = 0.1004), and (C) T. semitaeniatus (×) and that available in the environment (∆) (stress = 0.2534). Proximity and distance between points indicates, respectively, similarity or dissimilarity.
Figure 5 in Diverging structures, perch heights, temperatures, and levels of sunlight of spatial niche dimensions ease the syntopic life of Tropidurus hispidus and Tropidurus semitaeniatus (Squamata: Tropiduridae)
Figure 5. Frequency distribution (horizontal axis; in %) of perch heights (vertical axes; in cm) used by Tropidurus hispidus and Tropidurus semitaeniatus.
FIGURE 9 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 9. Dextral lateral views of specimens of T. catalanensis (A, SMF 100093) indicating inguinal (left arrow) and axillary (right arrow) folds, compared with T. etheridgei (B, SMF 87389), which lacks these folds.
FIGURE 8 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 8. Differences in the mucronation of dorsal scales of Tropidurus catalanensis (above, SMF 100091) and T. torquatus (below, SMF 100097).
FIGURE 5 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 5. Maximum Likelihood (left) and Bayesian (right) trees inferred using concatenated mitochondrial (16S and COI) and nuclear (PRLR) DNA genes for samples of Tropidurus from Paraguay. Support values on nodes represent SH-aLRT/ UFBoot (in percentages) for ML (only values above 65 are shown), and posterior probability for BI (only values above 70 are shown). See Appendix 3 and Figure 1 for geographic location of samples. Reference bar represents substitutions per site.
FIGURE 3 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 3. Location of genetic samples used for the analyses. See Appendix 1 for information on the specimens.
FIGURE 4 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 4. Phylogenetic trees of Paraguayan samples of Tropidurus inferred from 16S (A), COI (B), 16S+COI (C), and PRLR (D) partial gene sequences. For each analysis we present maximum likelihood (ML, left) and Bayesian inference (BI, right) trees. Red dots indicate support values (basedon on SH-aLRT/UFBoot for ML and posterior probability for BI) equal or superior to 80 for ML and 0.85 for BI. Roots to outgroup Plica plica (AMCC-106953). Reference bar represents substitutions per site.
FIGURE 11 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 11. Distribution maps of Tropidurus catalanensis (A), T. etheridgei (B), T. spinulosus (C), and T. lagunablanca (D).
FIGURE 13 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 13. Differences in the color of females of T. lagunablanca (above, SMF 103315) and T. spinulosus (below, SMF 103322). Note the black stripes (the upper one behind the eye, and the lower beyond the ear opening) of T. lagunablanca, absent in T. spinulosus.
FIGURE 12 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 12. Diagram showing the theory of a ring species, where populations accumulate gradual changes along temporal and spatial scales (represented here by black arrows), originating different species.
FIGURE 7 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 7. Detailed view of the left hind claws of T. torquatus (A, SMF 100097) showing a paler color than observed in T. catalanensis (B, SMF 100093). This coloration is also present in the fore claws.
FIGURE 6 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 6. Graphic visualization of genetic distances among specimens of the Tropidurus spinulosus group (red dots). The width of the lines refer to the p-distance between specimens (reference at the upper right corner). At the bottom is presented the mean p-distance between species of the torquatus group (T. catalanensis and T. etheridgei) and the two bigger clades of the spinulosus group.
FIGURE 10 in Diversity of Tropidurus (Squamata: Tropiduridae) in Paraguay-an integrative taxonomic approach based on morphological and molecular genetic evidence
FIGURE 10. Asulcate (left) and sulcate (right) views of the left hemipenes of T. lagunablanca (SMF 103316). White bar = 5 mm.
Figure 13 in A highly polymorphic South American collared lizard (Tropiduridae: Tropidurus) reveals that open-dry refugia from South-western Amazonia staged allopatric speciation
Figure 13. Distribution of Tropidurus madeiramamore and Tropidurus oreadicus. Top map shows the fully allopatric range of the species. Tropidurus oreadicus is a typical Cerrado endemic, with distribution advancing northwards through the Tocantins River Basin. Bottom map is a blown-up view of the area delimited by the dashed rectangle in the top map. It shows the distribution of T. madeiramamore in savannah enclaves of the state of Rondônia, in addition to unconfirmed records of this species in the states of Amazonas and Acre (indicated by numbers 1–6), originally published by Ribeiro-Júnior (2015) as pertaining to 'T. oreadicus'. Locality names: (1) Parque Estadual do Guariba, Novo Aripuanã, Amazonas; (2) Arredores da Fazenda Passo Formoso, Manicoré, região do Rio dos Marmelos, Amazonas; (3) Rodovia do Estanho, região do Rio dos Marmelos, Manicoré, Amazonas, Brazil; (4) BR-319 km 620, Puruzinho, Amazonas; (5) Lábrea, Amazonas, Brazil; and (6) Porto Acre, Acre. Refer to the Supporting Information (File S18) for a full list of geographical coordinates associated with the distribution records shown in the maps.
Figure 12 in A highly polymorphic South American collared lizard (Tropiduridae: Tropidurus) reveals that open-dry refugia from South-western Amazonia staged allopatric speciation
Figure 12. Preserved holotype of Tropidurus oreadicus (adult male, MZUSP 9465). A, dorsal body. B, lateral body. C, ventral body. Scale bar: 1 cm.
Figure 10 in A highly polymorphic South American collared lizard (Tropiduridae: Tropidurus) reveals that open-dry refugia from South-western Amazonia staged allopatric speciation
Figure 10. Preserved holotype of Tropidurus madeiramamore (adult male, MZUSP 107155). A, dorsal body. B, lateral body. C, ventral body. Scale bar: 1 cm.
Figure 9 in A highly polymorphic South American collared lizard (Tropiduridae: Tropidurus) reveals that open-dry refugia from South-western Amazonia staged allopatric speciation
Figure 9. Dorsal head, lateral head, and ventral head of the preserved holotypes of Tropidurus madeiramamore (adult male, MZUSP 107155; A–C) and Tropidurus oreadicus (MZUSP 9465; D–F). Scale bar: 1 cm.
Figure 4 in A highly polymorphic South American collared lizard (Tropiduridae: Tropidurus) reveals that open-dry refugia from South-western Amazonia staged allopatric speciation
Figure 4. Maximum clade credibility tree showing the phylogenetic relationships and divergence times (median heights) between tropidurid species inferred using BEAST. At the bottom left are shown male (MZUSP 107245) and female (MZUSP 107242) specimens of Tropidurus madeiramamore from Jaci-Paraná, Porto Velho, Rondônia. Abbreviation: PP, posterior probability.
Figure 6 in A highly polymorphic South American collared lizard (Tropiduridae: Tropidurus) reveals that open-dry refugia from South-western Amazonia staged allopatric speciation
Figure 6. Scatterplots of PC1 and PC2 generated by the principal component analyses and LD1 and LD2 generated by the linear discriminant analyses performed on morphometric variables of males (A, C) and females (B, D). See Table 6 for corresponding summary statistics.
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