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122 results for “Xenodontinae”
FIGURE 7 in A new species of Hydrodynastes Fitzinger, 1843 from central Brazil (Serpentes: Colubridae: Xenodontinae)
FIGURE 7. Distribution of the examined specimens of Hydrodynastes. Hydrodynastes melanogigas (triangles); H. gigas (circles); and H. bicinctus (squares).
FIGURE 1 in Morphological variation in Xenoxybelis boulengeri (Procter, 1923) (Serpentes, Xenodontinae, Philodryadini)
FIGURE 1. Color pattern of Xenoxybelis boulengeri (MPEG 19537, Careiro da Várzea, Amazonas, Brazil). Lateral (A) and ventral (B) views of the head; lateral (C) and ventral (D) views of the body. Scale bar 20 mm
FIGURE 3 in Morphological variation in Xenoxybelis boulengeri (Procter, 1923) (Serpentes, Xenodontinae, Philodryadini)
FIGURE 3. Distribution of Xenoxybelis boulengeri (closed square – material examined; open square – literature records; closed triangle – type locality). Materials examined are listed in the Appendix.
FIGURE 2 in Morphological variation in Xenoxybelis boulengeri (Procter, 1923) (Serpentes, Xenodontinae, Philodryadini)
FIGURE 2. Hemipenes of Xenoxybelis boulengeri (MPEG 18226). Sulcate (A) and asulcate (B) views. Scale bar 5mm.
FIGURE 3 in Molecular phylogeny, classification, and biogeography of West Indian racer snakes of the Tribe Alsophiini (Squamata, Dipsadidae, Xenodontinae)
FIGURE 3. Representatives of genera of the snake Tribe Alsophiini (Dipsadidae: Xenonodontinae). Subtribe Alsophiina: Alsophis manselli (Woodlands Spring, Montserrat), Borikenophis portoricensis (1.5 km W. Playa de Tamarindo, Puerto Rico), Cubophis cantherigerus (2.0 km W Viñales, Pinar del Rio, Cuba), Hypsirhynchus ferox (Barahona, Barahona, Dominican Republic), Ialtris dorsalis (3 km N Bois Sec, Grand'Anse, Haiti), and Magliophis stahli (1.9 km NE Vista Alegre, Puerto Rico). Subtribe Arrhytonina: Arrhyton taeniatum (0.2 km WE Windmill Beach, Guantanamo Bay Naval Station, Cuba). Subtribe Uromacerina: Uromacer oxyrhynchus (4.4 km W Canada Honda, La Altagracia, Dominican Republic). Photos by S. B. Hedges.
FIGURE 4. A in Molecular phylogeny, classification, and biogeography of West Indian racer snakes of the Tribe Alsophiini (Squamata, Dipsadidae, Xenodontinae)
FIGURE 4. A timetree of Alsophiini. Divergence times and credibility/confidence intervals are shown in Table 3. Plei = Pleistocene. The generic taxonomy in this tree reflects the new classification proposed here and detailed in Table 1.
FIGURE 1. A in Molecular phylogeny, classification, and biogeography of West Indian racer snakes of the Tribe Alsophiini (Squamata, Dipsadidae, Xenodontinae)
FIGURE 1. A phylogeny of Alsophiini. Bayesian tree obtained from the combined data set of six genes (RAG2, 12S & 16S rRNA, cytochrome b, ND2 and ND4; 3387 sites). Alsophis portoricensis portoricensis and A. p. anegadae have identical sequences at all genes sampled, and therefore the latter taxon is not shown. Values are ML bootstrap values above 70% followed by Bayesian posterior probabilities above 90%. The generic taxonomy in this tree reflects usage prior to this study and shows paraphyly and polyphyly of Alsophis (blue), Arrhyton (purple), and Antillophis (orange). See Table 1 and Figure 4 for the new classification proposed here.
FIGURE 2 in Molecular phylogeny, classification, and biogeography of West Indian racer snakes of the Tribe Alsophiini (Squamata, Dipsadidae, Xenodontinae)
FIGURE 2. Map showing the West Indies (including the southern tip of Florida above, Central America to the west, and the northern edge of South America below) and the distributions of the genera of the Tribe Alsophiini, Subfamily Xenodontinae, Family Dipsadidae.
FIGURE 6 in A new Andean species of Philodryas (Dipsadidae, Xenodontinae) from Ecuador
FIGURE 6. Right hemipenis of the holotype of Philodryas simonsii (BMNH 1946.1.4.98), opened through a slit along the sulcus spermaticus and spread flat.
FIGURE 3 in A new Andean species of Philodryas (Dipsadidae, Xenodontinae) from Ecuador
FIGURE 3. Hemipenis of the holotype of Philodryas amaru (FHGO 4749) in sulcate (A), asulcate (B), and top (C) views. Scale length = 5 mm.
FIGURE 2 in A new Andean species of Philodryas (Dipsadidae, Xenodontinae) from Ecuador
FIGURE 2. Dorsal view of the holotype of Philodryas amaru in life (FHGO 4749) from Soldados, San Joaquin, Province of Azuay, Ecuador. Photograph by E. Arbeláez and A. Vega.
FIGURE 5 in A new Andean species of Philodryas (Dipsadidae, Xenodontinae) from Ecuador
FIGURE 5. General view of the habitat in the type locality of Philodryas amaru, situated in Soldados, San Joaquin, Province of Azuay, Ecuador. Photograph from E. Arbeláez and A. Vega.
FIGURE 4 in A new Andean species of Philodryas (Dipsadidae, Xenodontinae) from Ecuador
FIGURE 4. Type locality of Philodryas amaru (circle with the white dot) and distribution records of Philodryas simonsii (squares). The white square corresponds to the type locality of Philodryas simonsii.
FIGURE 1 in A new Andean species of Philodryas (Dipsadidae, Xenodontinae) from Ecuador
FIGURE 1. Holotype of Philodryas amaru (FHGO 4749) in dorsal (A) and ventral (B) views. Head of the holotype in right lateral (C), left lateral (D), dorsal (E), and ventral (F) views. Scale length = 10 mm.
FIGURE 5 in Taxonomic revision of the Erythrolamprus reginae species group, with description of a new species from Guiana Shield (Serpentes: Xenodontinae)
FIGURE 5. Dorsal and lateral views of head; dorsal, ventral and lateral views of midbody; and ventral and lateral views of tail of Erythrolamprus zweifeli (AMNH 137302—A), E. dorsocorallinus (MZUSP 7362—B), and E. rochai (MPEG 25680 -C). Scale Bar = 10 mm.
FIGURE 2 in Taxonomic revision of the Erythrolamprus reginae species group, with description of a new species from Guiana Shield (Serpentes: Xenodontinae)
FIGURE 2. Dorsal and lateral views of head; dorsal, ventral and lateral views of midbody; and ventral and lateral views of tail of Erythrolamprus reginae (RMNH 13662—A), E. oligolepis (MPEG 25180—B), and E. macrosomus (FUNED 802—C). Scale Bar = 10 mm.
FIGURE 8 in Taxonomic revision of the Erythrolamprus reginae species group, with description of a new species from Guiana Shield (Serpentes: Xenodontinae)
FIGURE 8. Geographic distribution of the Erythrolamprus reginae species group. White symbols for each species represents literature records; red symbols for each species represents the type localities of each species; the other symbols and colors refer to the specimens examined in first hand.
FIGURE 4 in Taxonomic revision of the Erythrolamprus reginae species group, with description of a new species from Guiana Shield (Serpentes: Xenodontinae)
FIGURE 4. Dorsal (left) and ventral (right) views of the topotype of Erythrolamprus macrosomus (MCP 13063; SVL= 557 mm—A), holotype of Leimadophis zweifeli (MBUCV 95; SVL= 447 mm—B), holotype of Liophis dorsocorallinus (ULABG 6691; SVL= 474 mm—C), and holotype of Liophis miliaris intermedius (ZFMK 34243a; SVL= 340 mm—D). Photos by M. Rivera (A), E. La Marca (B), and M. Franzen (D).
FIGURE 3 in Taxonomic revision of the Erythrolamprus reginae species group, with description of a new species from Guiana Shield (Serpentes: Xenodontinae)
FIGURE 3. Sulcate (left) and asulcate (right) views of the hemipenis of Erythrolamprus reginae (RMNH 42042—A), E. oligolepis (MPEG 23979—B), E. macrosomus (CEPB 2125—C), E. zweifeli (AMNH 137302—D), E. dorsocorallinus (UFAC 129—E), and E. rochai (MPEG 25681—F). Scale Bar = 5 mm.
FIGURE 7 in Taxonomic revision of the Erythrolamprus reginae species group, with description of a new species from Guiana Shield (Serpentes: Xenodontinae)
FIGURE 7. Dorsal (A) and ventral (B) views of midbody; dorsal (C), ventral (D) and lateral (E) views of head; and lateral view of tail (F) of the holotype of Erythrolamprus rochai (MPEG 25680). Scale Bar = 10 mm.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.