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256 results for “Salamandridae”
FIGURE 4 in A revised taxonomy of crested newts in the Triturus karelinii group (Amphibia: Caudata: Salamandridae), with the description of a new species
FIGURE 4. The holotype of Triturus ivanbureschi sp. nov. Pictures providing a ventral (a), lateral (b) and doral (c) view of the holotype of T. ivanbureschi sp. nov., an adult male from Ostar Kamak, Bulgaria (museum number RMNH.RENA.47200).
FIGURE 3 in A revised taxonomy of crested newts in the Triturus karelinii group (Amphibia: Caudata: Salamandridae), with the description of a new species
FIGURE 3. Genetic similarity among crested newts (Triturus cristatus superspecies) based on the allozyme data presented in Litvinchuk et al. (1999). Similarity among ten groups of crested newt, identified by Bayesian clustering, is expressed in an UPGMA dendrogram built with Rogers'genetic distance (for details see text and for data see online Appendix 4). Pie sizes reflect sample size. Color codes are as in Fig. 1 and individuals from the population of special interest (the type locality of T. arntzeni—Vrtovać) are shown in white. Note that this group does not cluster with T. karelinii s. l.
FIGURE 9 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species
FIGURE 9. (A) Dorsal views and (B) ventral views in preservative, left to right, of Tylototriton verrucosus topotype female (UTA 27558), T. podichthys sp. nov. holotype female (NCSM 77721), T. shanorum topotype female (CAS 230899), and T. shanjing topotype female (MVZ 219763). (C) Dorsal views of males in preservative, left to right, of T. anguliceps (NCSM 82953), T. anguliceps (NCSM 82952), T. podichthys sp. nov. (NCSM 77724), and T. podichthys sp. nov. (NCSM 82943). (D) Dorsolateral views in preservative of T. shanorum topotype female (CAS 230899) above, and T. podichthys sp. nov. holotype female (NCSM 77721) below.
FIGURE 7 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species
FIGURE 7. Dorsal and lateral views of heads of subgenus Tylototriton in preservative. (A–B) Tylototriton podichthys sp. nov. holotype female (NCSM 77721). (C–D) Tylototriton shanjing topotype female (MVZ 219763). (E–F) Tylototriton verrucosus topotype male (UMMZ 189648). (G–H) Tylototriton anguliceps male (NCSM 82953). (I–J) Tylototriton shanorum topotype female (CAS 230899).
FIGURE 6 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species
FIGURE 6. Tylototriton podichthys sp. nov.: (A) Dorsal view and (B) ventral view of holotype female (NCSM 77721) in life, (C) dorsal view of female paratype (NCSM 82939) in life, (D) dorsal view of eft (NUOL 00394) in situ, with two human finger tips for scale, (E) habitat at holotype locality in Nam Madao Village, Phoukhoun District, Luang Phabang Province, Laos, and (F) habitat at paratype locality in Yord Lieng Village, Kham District, Xieng Khouang Province, Laos.
FIGURE 4 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species
FIGURE 4. Tylototriton notialis: (A) Dorsal view and (B) ventral view of topotype female (NUOL 00443) at Phou Ak, Nakai Nam Theun National Protected Area, Boualapha District, Khammouan Province, Laos. Tylototriton anguliceps: (C) Dorsal view of female (NUOL 00419), (D) dorsal view of male (NUOL 00420), (E) ventral views of female above (NUOL 00419) and male below (NCSM 82953), (F) dorsal view of eft (NUOL 00448), (G) microhabitat at stream bank, and (H) macrohabitat at Nam Long Stream, Phou Ya Khao Village, Viengphoukha District, Laos, Luang Namtha Province, Laos.
FIGURE 2 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species
FIGURE 2. Principal component analysis of the genus Tylototriton showing two dimensional plots of the first principal component (PC 1) versus the second (PC 2). (A) males of the subgenus Tylototriton, (B) females of the subgenus Tylotriton, and (C) males of the subgenus Yaotriton.
FIGURE 1 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species
FIGURE 1. Fifty percent majority-rule consensus phylogram resulting from partitioned Bayesian analysis of 3,121 aligned characters of mitochondrial DNA (part of the 16S rRNA gene, the complete tRNA Leu, ND1, tRNA Ile, tRNA Gln, tRNA Met, ND2, tRNA Trp, tRNA Ala, tRNA Asn, tRNA Cys, and tRNA Tyr genes, and part of the COI gene) of Tylototriton and outgroups. Numbers at nodes are Bayesian posterior probabilities. Asterisks (*) indicate nodes with posterior probabilities ≥ 0.99. Numbers at branch tips refer to ID in Table 1.
FIGURE 5 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species
FIGURE 5. Tylototriton panhai: (A) Dorsal view of female (NUOL 00421), (B) dorsal view of male (NCSM 82954), (C) ventral view of female above (NUOL 00421) and male below (NUOL 00422), (D) eggs (NUOL 00452) in situ on sticks just above stream surface, (E) stream habitat at Houay Long Ya Stream, Borsan Village, Botene District, Xaignabouli Province, Laos, and (F) pond habitat at Phou Samrium Mountain, Borsan Village, Botene District, Xaignabouli Province, Laos.
FIGURE 3 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species
FIGURE 3. Geographic distributions of the four Tylototriton species known to occur in Laos: T. notialis (circle); T. anguliceps (asterisk); T. panhai (square); and T. podichthys sp. nov. (triangle).
FIGURE 8 in Morphological and molecular variation in Tylototriton (Caudata: Salamandridae) in Laos, with description of a new species
FIGURE 8. Dorsal and ventral views of subgenus Tylototriton in preservative. (A–B) Tylototriton podichthys sp. nov. holotype female (NCSM 77721). (C–D) Tylototriton shanjing topotype female (MVZ 219763). (E–F) Tylototriton verrucosus topotype male (UMMZ 189648). (G–H) Tylototriton anguliceps male (NCSM 82953). (I–J) Tylototriton shanorum topotype female (CAS 230899).
FIGURE 3 in Description of a new species of crested newt, previously subsumed in Triturus ivanbureschi (Amphibia: Caudata: Salamandridae)
FIGURE 3. The holotype and one of the paratypes of Triturus anatolicus sp. nov. in life. Lateral (a) and ventral (b) view of a male (below, holotype, RMNH.RENA.48232) and a female (above, paratype, RMNH.RENA.48239).
FIGURE 2 in Description of a new species of crested newt, previously subsumed in Triturus ivanbureschi (Amphibia: Caudata: Salamandridae)
FIGURE 2. Genetic data for Triturus ivanbureschi sensu lato presented in Wielstra et al. (submitted) illustrate the sharp geographical overturn between the genotypes representing its two constituent species. Panel (a) shows the 67 sampled populations as dots with the colored background representing a rough distribution outline of the two species based on nuclear DNA. Populations are colored according to the mtDNA type present; western populations of Triturus anatolicus sp. nov. possess mtDNA of Triturus ivanbureschi sensu stricto. Those populations harboring individuals showing introgression and genetically admixed individuals based on nuclear DNA (as defined below) are highlighted. Panel (b) shows a Structure plot representing Q scores with which the 428 sampled individuals were allocated to two different species (k = 2 was the optimal number of gene pools inferred in the Structure analysis). The individuals are ordered based on the Q score with which they are allocated to T. ivanbureschi sensu stricto, from high to low values. Individuals allocated to their respective species with Q ≥ 0.987 are considered genetically pure. Individuals showing introgression are defined as being allocated to a species with 0.987> Q> 0.85 and genetically admixed individuals as being allocated to either species with Q ≤ 0.85. Those individuals that are not genetically pure are highlighted in panel (b). Note that nuclear introgression is geographically asymmetric.
FIGURE 1 in Description of a new species of crested newt, previously subsumed in Triturus ivanbureschi (Amphibia: Caudata: Salamandridae)
FIGURE 1. The two cryptic species comprising Triturus ivanbureschi sensu lato are distributed in Asiatic Turkey and the south-eastern Balkan Peninsula. A rough distribution outline for T. ivanbureschi sensu stricto is shown in green and for T. anatolicus sp. nov. in red. The two taxa meet at a hybrid zone in northwestern Asiatic Turkey. A rough distribution outline for T. karelinii sensu stricto – with which Triturus ivanbureschi sensu lato until recently was considered to be conspecific – is in blue. Records of Triturus newts are absent from most of NE Turkey, suggesting that the ranges of T. anatolicus sp. nov. and T. karelinii sensu stricto do not meet. White dots represent type localities for, from left to right, T. ivanbureschi sensu stricto, T. anatolicus sp. nov. and T. karelinii sensu stricto.
FIGURE 6 in Two new species of Tylototriton from Thailand (Amphibia: Urodela: Salamandridae)
FIGURE 6. The male holotype (KUHE 19147) of Tylototriton uyenoi (the Group 2 [T. shanjing Lineage 4]: A, B, G, and J), the female holotype (THNHM 2800) of T. panhai (the Group 3 [T. shanjing Lineage 6]: C, D, H, and K), and male topotype (NMNS 3682-38) of T. shanjing (T. shanjing Lineage 1: E, F, I, and L). Dorsal (A, C, and E) and ventral view (B, D, and F) of the body, left lateral view of the tail (G, H, and I), and dorsal view of the head (J, K, and L). Scale bar=20 mm in body and tail, 10 mm in head.
FIGURE 3 in Two new species of Tylototriton from Thailand (Amphibia: Urodela: Salamandridae)
FIGURE 3. Maximum likelihood tree based on the partial ND2 gene for Tylototriton and related species (see Table 1 and Fig. 1). Numbers at the end of braches represent sample numbers shown in Table 1. Numbers above branches represent bootstrap supports for ML inference and Bayesian posterior probability (bs/bpp). Asterisks indicate nodes with bs>70 % and bpp>95 %. Scale bar=0.02 substitutions/site. (Sample No. 18 correponds to the Group 1 [T. shanjing Lineage 5], Nos. 19–24 to the Group 2 [T. shanjing Lineage 4: T. uyenoi sp. nov. described herein], and Nos. 25–27 to the Group 3 [T. shanjing Lineage 6: T. panhai sp. nov.])
FIGURE 2 in Two new species of Tylototriton from Thailand (Amphibia: Urodela: Salamandridae)
FIGURE 2. Map showing localities of the samples of Tylototriton and Echinotriton used for molecular analyses. For locality of the sample numbers, refer to Table 1. The samples from unknown localities are shown in squares and positioned at supposed localities. (Sample No. 18 corresponds to the Group 1 [T. shanjing Lineage 5], Nos. 19–24 to the Group 2 [T. shanjing Lineage 4: T. uyenoi sp. nov. described herein], and Nos. 25–27 to the Group 3 [T. shanjing Lineage 6: T. panhai sp. nov.])
FIGURE 1 in Two new species of Tylototriton from Thailand (Amphibia: Urodela: Salamandridae)
FIGURE 1. Photos of the three groups of Tylototriton shanjing from Thailand. A: a subadult of unknown sex of Group 1 (T. shanjing Lineage 5 in molecular phylogeny: see Fig. 3) from Doi Lahnga, Chiang Rai Province; B: an adult male of Group 2 (T. shanjing Lineage 4) from Doi Inthanon, Chinag Mai Province; C: an adult female of Group 3 (T. shanjing Lineage 6) from Phu Luang, Loei Province. Tips of tails of these individuals except for the one from Doi Inthanon were used in the molecular analysis. All of these individuals were released without being deposited as voucher specimens.
FIGURE 1 in Comparative larval morphology in three species of Pleurodeles (Urodela: Salamandridae)
FIGURE 1. Map showing the study region. The shaded regions show the distribution of the species according to the IUCN (2016) and Raffaëlli (2013). The white circles indicated the locations where specimens were collected. Pleurodeles nebulosus (orange); Pleurodeles poireti (green); Pleurodeles waltl, eastern clade (red); Pleurodeles waltl, western clade (blue).
FIGURE 3 in Comparative larval morphology in three species of Pleurodeles (Urodela: Salamandridae)
FIGURE 3. Principal component analysis ordination plot showing the relative positions of the species in the RGB colour space. The points represent each of the 100 cells generated per specimen. (A. PNE) Pleurodeles nebulosus; (B. PPO) Pleurodeles poireti; (C. PWE) Pleurodeles waltl, eastern clade; (D. PWW) Pleurodeles waltl, western clade.
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