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117 results for “Natricinae”
Linked collectors and determiners for: Revisions of two poorly known species of Opisthotropis Günther, 1872 (Squamata: Colubridae: Natricinae) with description of a new species from China.
Natural history specimen data linked to collectors and determiners held within, "Revisions of two poorly known species of Opisthotropis Günther, 1872 (Squamata: Colubridae: Natricinae) with description of a new species from China". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/dfce4512-2062-4cd8-8ce7-bfe59cbbe6aa">https://bionomia.net/dataset/dfce4512-2062-4cd8-8ce7-bfe59cbbe6aa</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/dfce4512-2062-4cd8-8ce7-bfe59cbbe6aa">https://gbif.org/dataset/dfce4512-2062-4cd8-8ce7-bfe59cbbe6aa</a>. Formatted as a Frictionless Data package.
Text-fig. 6. Squamates: a – vertebra of Amphisbaenia indet. from Nasrettinhoca 1, in dorsal (a1), ventral (a2), lateral (a3), anterior (a4), and posterior (a5) views, EUNHM PV-13238; b – right maxilla of Lacertidae indet. from Nasrettinhoca 1, in lateral (b1) and medial (b2) views, EUNHM PV-13239; c – cervical vertebra of Natrix sp. from Hamamkarahisar B, in dorsal (c1), ventral (c2), lateral (c3), anterior (c4), and posterior (c5) views, EUNHM PV-13240; d – trunk vertebra of Natricinae indet. from Nasrettinhoca 2, in dorsal (d1), ventral (d2), lateral (d3), anterior (d4), and posterior (d5) views, EUNHM PV-13241; e – vertebra of cf. Colubrinae indet. from Yenişarbademli, in ventral (e1), dorsal (e2), and anterior (e3) views, EUNHM PV-13262. Scale equals 1 mm. in Plio-Pleistocene Amphibians And Reptiles From Central Turkey: New Faunas And Faunal Records With Comments On Their Biochronological Position Based On Small Mammals
Text-fig. 6. Squamates: a – vertebra of Amphisbaenia indet. from Nasrettinhoca 1, in dorsal (a1), ventral (a2), lateral (a3), anterior (a4), and posterior (a5) views, EUNHM PV-13238; b – right maxilla of Lacertidae indet. from Nasrettinhoca 1, in lateral (b1) and medial (b2) views, EUNHM PV-13239; c – cervical vertebra of Natrix sp. from Hamamkarahisar B, in dorsal (c1), ventral (c2), lateral (c3), anterior (c4), and posterior (c5) views, EUNHM PV-13240; d – trunk vertebra of Natricinae indet. from Nasrettinhoca 2, in dorsal (d1), ventral (d2), lateral (d3), anterior (d4), and posterior (d5) views, EUNHM PV-13241; e – vertebra of cf. Colubrinae indet. from Yenişarbademli, in ventral (e1), dorsal (e2), and anterior (e3) views, EUNHM PV-13262. Scale equals 1 mm.
Phylogenomic analyses resolve relationships among garter snakes (Thamnophis: Natricinae: Colubridae) and elucidate biogeographic history and morphological evolution
<p>Garter snakes (<i>Thamnophis</i>) are a successful group of natricines endemic to North America. They have become important natural models for ecological and evolutionary research, yet prior efforts to resolve phylogenetic relationships have resulted in conflicting topologies and weak support for certain relationships. Here, we use phylogenomic data generated with a reduced representation double-digest RADseq approach to reassess the evolutionary relationships across <i>Thamnophis</i>. We then use the resulting phylogeny to better understand how biogeography and feeding ecology have influenced lineage diversification and morphological evolution. We recovered highly congruent and strongly supported topologies from maximum likelihood and Bayesian inference analyses, but some discordance with a multispecies coalescent approach. All phylogenomic estimates split <i>Thamnophis</i> into two clades largely defined by northern and southern North American species. Divergence time estimates and biogeographic analyses indicate a mid-Miocene origin of <i>Thamnophis </i>in Mexico. In addition, historical vicariant events thought to explain biogeographic patterns in other lineages (e.g., Isthmus of Tehuantepec, Rocky Mountain Range, and Trans-Mexican Volcanic Belt) appear to have influenced patterns of diversification in <i>Thamnophis</i> as well. Analyses of morphological traits associated with feeding ecology showed degrees of phylogenetic signal, and ancestral state reconstruction suggested some association between head morphology and diet composition. Our new estimate of <i>Thamnophis</i> phylogeny yields an improved understanding of the biogeographic history and morphological evolution of garter snakes, and provides a robust framework for future research on these snakes.</p>
Phylogenomic analyses resolve relationships among garter snakes (Thamnophis: Natricinae: Colubridae) and elucidate biogeographic history and morphological evolution
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Fig. 1 in A New Species Of The Snake Genus Amphiesma (Serpentes: Colubridae: Natricinae) From Western Sumatra, Indonesia
Fig. 1. Amphiesma kerinciense. Holotype (ZRC2.3521). Lateral view of the head (left side).
FIGURE 8. Smithophis bicolor. A. holotype ZSIK 7030 in Description of a new species of Smithophis Giri et al. 2019 (Serpentes: Colubridae Natricinae) from Arunachal Pradesh, India
FIGURE 8. Smithophis bicolor. A. holotype ZSIK 7030, male, B. ZSI/ERS 2592, male, Shillong, Meghalaya and C. ZSI/ERS 105, male, South Garo hills, Meghalaya.
FIGURE 7 in Description of a new species of Smithophis Giri et al. 2019 (Serpentes: Colubridae Natricinae) from Arunachal Pradesh, India
FIGURE 7. Habitat of Smithophis arunachalensis sp. nov. at the type locality Koronu, Lower Dibang Valley District, Arunachal Pradesh, India.
FIGURE 6 in Description of a new species of Smithophis Giri et al. 2019 (Serpentes: Colubridae Natricinae) from Arunachal Pradesh, India
FIGURE 6. Smithophis arunachalensis sp. nov., A. unnumbered referred specimen in Roing Forest Department collection. Total length 613 mm. B. unnumbered (2) referred specimen in Miao museum collection.
FIGURE 4 in Description of a new species of Smithophis Giri et al. 2019 (Serpentes: Colubridae Natricinae) from Arunachal Pradesh, India
FIGURE 4. Smithophis arunachalensis sp. nov., paratypes in dorsal views A. BMNH 1935.10.12.10 (insert image shows the detached anterior part of the head) and B. (ZSIK 23875). Scale bar 10mm.
FIGURE 3 in Description of a new species of Smithophis Giri et al. 2019 (Serpentes: Colubridae Natricinae) from Arunachal Pradesh, India
FIGURE 3. Map showing distribution of species of the genus Smithophis. Examined comparative materials of S. bicolor (including the type), are from the Khasia (or Khassia or Khasi) Hills, Shillong, Tura or Aizawl, or from unspecified localities in Northeast India. See Appendix 1 for locality details.
FIGURE 1 in Description of a new species of Smithophis Giri et al. 2019 (Serpentes: Colubridae Natricinae) from Arunachal Pradesh, India
FIGURE 1. Smithophis arunachalensis sp. nov., holotype (BNHS 3650). A. full body dorsal, and B. ventral view, C. head dorsal, D. ventral, and E– F. lateral views of head. Scale bars 10mm.
FIGURE 9 in Description of a new species of Smithophis Giri et al. 2019 (Serpentes: Colubridae Natricinae) from Arunachal Pradesh, India
FIGURE 9. Live coloration documented in Smithophis bicolor. A. typical example from Shillong, Megalaya (Photo: Samrat Sengupta), B. uncollected small (probably young) individual from Mizoram with less yellow venter (Photo: Samuel Lalronunga), C & D. dorsal and ventral of an individual from Mizoram with narrow yellow lateral lines (not or barely connected to pale venter). E & F. dorsal and ventral of BNHS2369 from Mizoram.
FIGURE 8 in A new natricine snake of the genus Amphiesma (Squamata: Colubridae: Natricinae) from the central Truong Son, Vietnam
FIGURE 8. Dorsal view of the anterior body of the holotype of Amphiesma andreae sp. n. (ZFMK 83747) in life.
FIGURE 6 in A new natricine snake of the genus Amphiesma (Squamata: Colubridae: Natricinae) from the central Truong Son, Vietnam
FIGURE 6. Posterior neck region (above), midbody region (middle) and posterior part of body (below) of the preserved holotype of Amphiesma andreae sp. n. (ZFMK 83747) in lateral view.
FIGURE 9 in A new natricine snake of the genus Amphiesma (Squamata: Colubridae: Natricinae) from the central Truong Son, Vietnam
FIGURE 9. Oblique view of the anterior body of the holotype of Amphiesma andreae sp. n. (ZFMK 83747) in life.
FIGURE 9 in A new species of the natricine snake genus Amphiesma from the Indochinese Region (Squamata: Colubridae: Natricinae)
FIGURE 9. Paratype in life of Amphiesma leucomystax spec. nov. (MNHN 2006.0447, adult female). Photograph by T. Ziegler.
FIGURE 6 in A new species of the natricine snake genus Amphiesma from the Indochinese Region (Squamata: Colubridae: Natricinae)
FIGURE 6. Holotype in life of Amphiesma leucomystax spec. nov. (ZFMK 71702, adult female). General view. Photograph by T. Ziegler.
FIGURE 8 in A new species of the natricine snake genus Amphiesma from the Indochinese Region (Squamata: Colubridae: Natricinae)
FIGURE 8. Paratype in life of Amphiesma leucomystax spec. nov. (ZFMK 71704, adult female). Photograph by T. Ziegler.
FIGURE 7 in A new species of the natricine snake genus Amphiesma from the Indochinese Region (Squamata: Colubridae: Natricinae)
FIGURE 7. Holotype in life of Amphiesma leucomystax spec. nov. (ZFMK 71702, adult female). Close-up view of the head. Photograph by T. Ziegler.
FIGURE 3 in A new species of the natricine snake genus Amphiesma from the Indochinese Region (Squamata: Colubridae: Natricinae)
FIGURE 3. Preserved holotype of Amphiesma leucomystax spec. nov. (ZFMK 71702, adult female). Left side of head. Photograph by P. David.
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