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15 results for “Liotyphlops”
FIGURE 1 in A new species of Liotyphlops (Serpentes: Anomalepididae) from the Atlantic Rain Forest of Northeastern Brazil
FIGURE 1. Liotyphlops trefauti sp. nov. (MZUSP 12178, holotype). (A) Dorsal view of head. (B) Lateral view of head. (C) Ventral view of head. (D) Ventral view of tail. (E) Lateral view of tail. Bar = 2 mm.
Fig. 11 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 11. Anterior (A) and posterior (B) views of the skull and lower jaw of Liotyphlops beui (MCZ 17842, paratype) based on μCT imagery. Different skull elements are digitally colored to improve visualization. Abbreviations: BO = basioccipital; CB = compound bone; CO = coronoid; D = dentary; F = frontal; MX = maxilla; NA = nasal; OT = otico–occipital complex; P = parietal; PBS = parabasisphenoid; PFR = prefrontal; PMX = premaxilla; PO = postorbital; PT = pterygoid; Q = quadrate; SMX =septomaxilla; SP =splenial. Scale bar =1 mm.
Fig. 10 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 10. Dorsal (A), lateral (B), and ventral (C) views of the skull of Liotyphlops beui (MCZ 17842, paratype) based on μCT imagery. Different skull elements are digitally colored and the mandible is removed for better visualization. Abbreviations: BO = basioccipital; ECP = ectopterygoid; F = frontal; MX = maxilla; NA = nasal; OT = otico–occipital complex; P = parietal; PAL = palatine; PBS = parabasisphenoid; PFR = prefrontal; PMX = premaxilla; PO = postorbital; PT = pterygoid; Q = quadrate; SMX = septomaxilla; V = vomer. Scale bar = 1 mm.
Fig. 8 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 8. Boxplots, scatterplots, histograms, density plots, and pairwise comparison of sexually dimorphic characters of external morphology in males (M, purple) and females (F, orange) of Liotyphlops beui. Outliers are indicated as black circles. Pearson correlation (Corr) values: * = 0.05; ** = 0.01; *** = 0.001.
Fig. 13 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 13. Species of Liotyphlops from the Atlantic Rainforest. A) Liotyphlops beui from Trˆes Passos, Rio Grande do Sul, Brazil (IBSP 92768); B) L. beui from same previous locality (unvouchered); C) Liotyphlops ternetzii from Itiquira, Mato Grosso, Brazil (UFRGS 6458); D) Liotyphlops wilderi from Itapebi, Bahia, Brazil (MNRJ 15657); E) Liotyphlops caissara from Ilha Anchieta, S˜ao Paulo, Brazil (IBSP 89927); F) Liotyphlops trefauti from Traipu, Alagoas, Brazil (MUFAL 9424). Photograph credits: Arthur Abegg (A, B, E), M´arcio Borges-Martins (C), Marco Antonio de Freitas (D), Ubiratan Gonçalves (F).
Fig. 7 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 7. Morphological variation of Liotyphlops beui. A-B) Adult female topotype (IBSP 90395) from Instituto Butantan, S˜ao Paulo, S˜ao Paulo state, Brazil; C-D) Adult female (IBSP 78648) from S˜ao Paulo, S˜ao Paulo state, Brazil; E-F) Adult male (IBSP 79486) from Carapicuíba, S˜ao Paulo state, Brazil. Collection tag = 50 mm. Photograph credits: Bruno Rocha.
Fig. 6 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 6. Specimens of Liotyphlops from Passos Maia, Santa Catarina state, southern Brazil. A) Dorsal and ventral views of UFRGS 6274, juvenile female holotype of Liotyphlops sousai; B) Dorsal and ventral views of UFRGS 6275, juvenile male identified as Liotyphlops beui by Santos and Reis (2018). Scale bar = 5 mm.
Fig. 5 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 5. Head scalation of Liotyphlops beui (A, MCZ-R 17842, paratype) from Instituto Butantan, S˜ao Paulo, S˜ao Paulo state, southeastern Brazil, and Liotyphlops sousai (B, UFRGS 6274, holotype), from Passos Maia, Santa Catarina state, southern Brazil.
Fig. 9 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 9. Geographic distribution of Operational Taxonomic Units (OTUs) delimited based on Liotyphlops from the Atlantic Rainforest biome (purple), in South America. SP01: Liotyphlops beui from the Atlantic Forest of southeastern Brazil; SP02: Liotyphlops caissara from lowland Atlantic Rainforest of coastal southeastern Brazil; SP03: Liotyphlops sousai from the Atlantic Forest of southern Brazil, considered herein a synonym of L. beui; SP04: Liotyphlops ternetzii from the Cerrado of Brazil and Paraguay; SP05: Liotyphlops trefauti from the Atlantic Rainforest of northeastern Brazil; SP06: Liotyphlops wilderi from montane Atlantic Rainforest of southeastern Brazil. Filled symbols represent type localities and dots represent examined specimens. Literature records are indicated with hollow symbols and follow Dixon and Kofron (1983), Nogueira et al. (2019).
Fig. 3. Phylogenetic inferences and uncorrected p in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 3. Phylogenetic inferences and uncorrected p-distances for Scolecophidia terminals, based on the small subunit ribosomal RNA (16S rRNA) gene fragment. A) Maximum likelihood (RAxML) phylogenetic tree inference and geographic distribution of evaluated samples (white circles = L. beui literature records; black and white circles = L. beui examined records); B) Pairwise uncorrected p-distances for Scolecophidia terminals.
Fig. 2 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 2. Principal Component Analysis (PCA) for females (left) and males (right) of the six OTUs analyzed in this work.
Fig. 1 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 1. Operational Taxonomic Units (OTUs) and Ecological Niche Models delimited based on Liotyphlops from the Atlantic Rainforest biome in South America. A) SP01, based on topotypical specimens and an additional series of Liotyphlops beui from the Atlantic Forest of southeastern Brazil; B) SP02, based on specimens of Liotyphlops caissara from lowland Atlantic Rainforest of coastal southeastern Brazil; C) SP03, based on the holotype of Liotyphlops sousai from the Atlantic Forest of southern Brazil; D) SP04, based on the holotype and an additional specimen of Liotyphlops ternetzii from the Cerrado of Brazil and Paraguay; E) SP05, based on the holotype of Liotyphlops trefauti from the Atlantic Rainforest of northeastern Brazil; F) SP06, based on a specimen of Liotyphlops wilderi from montane Atlantic Rainforest of southeastern Brazil.
Fig. 12 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 12. Lateral (A), medial (B), dorsal (C), and ventral (D) views of the lower jaw of Liotyphlops beui (MCZ 17842, paratype) based on μCT imagery. Different skull elements are digitally colored to improve visualization. Abbreviations: CB = compound bone; CO = coronoid; D = dentary; RP = retroarticular process of compound bone; SP = splenial. Scale bar = 1 mm.
FIGURE 2 in A new species of Liotyphlops (Serpentes: Anomalepididae) from the Atlantic Rain Forest of Northeastern Brazil
FIGURE 2. Liotyphlops trefauti sp. nov. (MZUSP 12179, paratype), in life.
Fig. 4 in More than meets no eyes: Taxonomic status of a Liotyphlops Peters, 1881 (Serpentes: Anomalepididae) blindsnake from the Atlantic Rainforest
Fig. 4. Maximum clade credibility Bayesian tree, based on the small subunit ribosomal RNA (16S rRNA) gene fragment, highlighting the divergence time of terminals. Bars represent the 95% Highest Posterior Density (HPD) interval for divergence dates. Scale indicates million years ago (Myr). Full topology and posterior probability support of nodes are provided as supplementary material. Analyses of species delimitation are: Bayesian Poisson Tree Process (bPTP); Poisson Tree Process (PTP); Assemble Species by Automatic Partitioning (ASAP); Generalized Mixed Yule Coalescent (GMYC). Inset photograph: Liotyphlops aff. wilderi from Minas Gerais, Brazil. Photograph credits: Henrique C. Costa.
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