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122 results for “Xenodontinae”
FIGURE 6 in Taxonomic revision of the Erythrolamprus reginae species group, with description of a new species from Guiana Shield (Serpentes: Xenodontinae)
FIGURE 6. General aspect of individuals in life of Erythrolamprus reginae from Trésor reserve, French Guiana (A), E. oligolepis from Maués, Amazonas, Brazil (B); E. macrosomus from San Sebastian de La Selva, Misiones, Argentina (C); E. zweifeli from Parque Nacional Henri Pittier, Rancho Grande, Aragua, Venezuela (D); E. dorsocorallinus from Boca Pariamanu, Peru (E); and E. dorsocorallinus from Barinas, Venezuela (F). Photos by Trésor Foundation (A), P. Peloso (B), J. Chiavo (C), J. Mejías (D), S. de Jong (E), and D. Sandoval (F).
FIGURE 1 in Taxonomic revision of the Erythrolamprus reginae species group, with description of a new species from Guiana Shield (Serpentes: Xenodontinae)
FIGURE 1. Dorsal (left) and ventral (right) views of the lectotype (NRM 44; SVL= 185 mm—A) and paralectotype of Coluber reginae (NRM 45; SVL= 165 mm—B), holotype of Coluber graphicus (BMNH 1946.1.5.73b; SVL= 340 mm—C), lectotype of Natrix semilineata (ZSM 1832-0-1; SVL= 375 mm—D); and holotype of Liophis oligolepis (BMNH 1946.1.4.66; SVL= 247 mm—E). Photos by B. Kajrup (B), P. Campbell (C, E), and M. Franzen (D).
FIGURE 5 in Chance, luck and a fortunate finding: a new species of watersnake of the genus Helicops Wagler, 1828 (Serpentes: Xenodontinae), from the Brazilian Pantanal wetlands
FIGURE 5. Distributional records of Helicops species occurring in the Pantanal and neighboring ecoregions. Symbols denote the type-locality of Helicops boitata (black triangle), as well as localities with vouchers of H. angulatus (white crosses), H. leopardinus (white diamonds), and H. polylepis (white circles). The white circle marked with an asterisk refer to a specimen determined as Helicops polylepis from São Domingos, state of Mato Grosso (IBSP 31712), destroyed by fire on May 15th of 2010.
FIGURE 4 in Chance, luck and a fortunate finding: a new species of watersnake of the genus Helicops Wagler, 1828 (Serpentes: Xenodontinae), from the Brazilian Pantanal wetlands
FIGURE 4. General views of dorsum, venter and detail of head of the holotype of Helicops boitata (UFMT-R 11940) in life (SVL 437 mm, tail length 205 mm), from the margins of Transpantaneira Road, region of Poconé, state of Mato Grosso, Bra- zil.
FIGURE 1 in Chance, luck and a fortunate finding: a new species of watersnake of the genus Helicops Wagler, 1828 (Serpentes: Xenodontinae), from the Brazilian Pantanal wetlands
FIGURE 1. Phylogenetic relationships of the tribe Hydropsini (comprising one species of Hydrops Wagler, 1830, one species of Pseudoeryx Fitzinger, 1826, and 10 species of Helicops Wagler, 1828) based on a concatenated dataset of the 12S, 16S, BDNF, C-mos, and NT3 sequence data. Numbers at nodes indicate the values of Bayesian Credibility/Maximum Likelihood bootstrap. The bar represents the number of expected changes per site in the Bayesian Analysis. The name Helicops pictiventris is currently a junior synonym of H. infrataeniatus, but it appears in the tree exactly as the pertinent sequences appear in the GenBank dataset (see Grazziotin et al. 2012).
FIGURE 3 in Chance, luck and a fortunate finding: a new species of watersnake of the genus Helicops Wagler, 1828 (Serpentes: Xenodontinae), from the Brazilian Pantanal wetlands
FIGURE 3. Dorsal, ventral, and lateral (left/right) views of the head of the holotype of Helicops boitata (UFMT-R 11940), from the margins of Transpantaneira Road, region of Poconé, state of Mato Grosso, Brazil. Scale bar = 10 mm.
FIGURE 2 in Chance, luck and a fortunate finding: a new species of watersnake of the genus Helicops Wagler, 1828 (Serpentes: Xenodontinae), from the Brazilian Pantanal wetlands
FIGURE 2. Dorsal and ventral views of the holotype of Helicops boitata (UFMT-R 11940), from the margins of Transpantaneira Road, region of Poconé, state of Mato Grosso, Brazil. Scale bar = 100 mm.
FIGURE 6 in Chance, luck and a fortunate finding: a new species of watersnake of the genus Helicops Wagler, 1828 (Serpentes: Xenodontinae), from the Brazilian Pantanal wetlands
FIGURE 6. Sulcate (left) and asulcate (right) faces of the fully everted and maximally expanded hemipenis (right organ) of the holotype of Helicops boitata (UFMT-R 11940), from the margins of Transpantaneira Road, region of Poconé, state of Mato Grosso, Brazil. Scale bar = 10 mm.
FIGURE 7 in Chance, luck and a fortunate finding: a new species of watersnake of the genus Helicops Wagler, 1828 (Serpentes: Xenodontinae), from the Brazilian Pantanal wetlands
FIGURE 7. The holotype of Helicops boitata (UFMT-R 11940) in the wild, as found in the moment of collection (above), and a general perspective of the habitat in the collection site on May 2016 (below), at Pantanal wetlands in the margins of Transpan- taneira Road, region of Poconé, state of Mato Grosso, Brazil.
FIGURE 5 in Arcanumophis, a new genus and generic allocation for Erythrolamprus problematicus (Myers 1986), Xenodontinae (Colubridae) from the Cordillera de Carabaya, southern Peru
FIGURE 5. Autapomorphy of Arcanumophis illustrated by comparing heads of (A) A. problematicus (CORBIDI 18731) and of selected species of Erythrolamprus: (B) E. breviceps; (C) E. janaleeae; (D) E. reginae; (E) E. taeniurus; (F) E. thyphlus. Photographs by A. Catenazzi (A, E) and P. Venegas (B, C, D, F).
FIGURE 4 in Arcanumophis, a new genus and generic allocation for Erythrolamprus problematicus (Myers 1986), Xenodontinae (Colubridae) from the Cordillera de Carabaya, southern Peru
FIGURE 4. Head of Arcanumophis problematicus (CORBIDI 18731), showing horizontal crease on rostrum. Photographs by A. Catenazzi.
FIGURE 1 in Arcanumophis, a new genus and generic allocation for Erythrolamprus problematicus (Myers 1986), Xenodontinae (Colubridae) from the Cordillera de Carabaya, southern Peru
FIGURE 1. Map of southern Peru showing the type locality at San Juan del Oro, Province of Sandia (red square), and the new locality at the abandoned mine of Santo Domingo, Province of Carabaya (white circle), both locations in Department of Puno.
FIGURE 6 in Arcanumophis, a new genus and generic allocation for Erythrolamprus problematicus (Myers 1986), Xenodontinae (Colubridae) from the Cordillera de Carabaya, southern Peru
FIGURE 6. Phylogenetic tree of concatenated partial sequences of two mitochondrial genes (12S and 16S rRNA) of Arcanumophis problematicus and sampled species of Xenodontini.
FIGURE 3 in Arcanumophis, a new genus and generic allocation for Erythrolamprus problematicus (Myers 1986), Xenodontinae (Colubridae) from the Cordillera de Carabaya, southern Peru
FIGURE 3. Coloration in life of Arcanumophis problematicus (CORBIDI 18731) from Santo Domingo, Department of Puno, Peru. Photographs by A. Catenazzi.
FIGURE 2 in Arcanumophis, a new genus and generic allocation for Erythrolamprus problematicus (Myers 1986), Xenodontinae (Colubridae) from the Cordillera de Carabaya, southern Peru
FIGURE 2. Full body of Arcanumophis problematicus CORBIDI 18731 showing dorsal and ventral coloration patterns (pre- served specimen). Photographs by A. Catenazzi.
FIGURE 2 in The genus OXYRHOPUS (Serpentes: Dipsadidae: Xenodontinae) in Guyana: morphology, distributions and comments on taxonomy
FIGURE 2: Distribution of Oxyrhopus in Guyana. Stars = O. occipitalis; circles = O. melanogenys; squares = O. petola. Locations are from Donnelly et al. (2005), Means & Kalamandeen (2007), MacCulloch & Lathrop (2009) and the Appendix.
FIGURE 1 in The genus OXYRHOPUS (Serpentes: Dipsadidae: Xenodontinae) in Guyana: morphology, distributions and comments on taxonomy
FIGURE 1: Oxyrhopus occipitalis and O. melanogenys from Guyana: A. Dorsolateral view of O. occipitalis (IRSNB 17913) in life (photo by PJRK), B. Ventral view of O. occipitalis (IRSNB 17913) in life (photo by PJRK), C. Dorsolateral view of O. occipitalis (SMNS 12111) in life (photo by RE), D. Dorsolateral view of O. melanogenys (CSBD HR 700) in life (photo by D.B. Means).
FIGURE 4 in The genus OXYRHOPUS (Serpentes: Dipsadidae: Xenodontinae) in Guyana: morphology, distributions and comments on taxonomy
FIGURE 4: Preserved Oxyrhopus petola from Guyana: A. Dorsal view of CSBD HR 89, B. Ventral view of CSBD HR 89 (photos by MK).
FIGURE 3 in The genus OXYRHOPUS (Serpentes: Dipsadidae: Xenodontinae) in Guyana: morphology, distributions and comments on taxonomy
FIGURE 3: Preserved Oxyrhopus melanogenys from Guyana: A. Dorsal view, B. Ventral view. Top left AMNH 152280; top right AMNH 140898; lower left ROM 39439; lower right AMNH 152279 (photos by AL).
Fig. 13 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 13. Apostolepis quirogai Giraudo & Scrocchi, 1998, adult specimen from Misiones, Argentina, in dorsal and ventral view. Photograph credits: Amado Martínez.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.