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350 results for “Guiana Shield”
FIGURE 1 in Description of two new species of Rhinella (Anura: Bufonidae) from the lowlands of the Guiana shield
FIGURE 1: Map of sampled areas adapted from Fouquet et al. (2007) and additional unpublished data. Black circles: Rhinella margaritifera (clade A), white star: R. margaritifera (clade B), white circles: R. martyi (clade C), white triangles: R. lescurei (clade D), white squares: Rhinella sp. (clade E).
FIGURE 5 A–F in Description of two new species of Rhinella (Anura: Bufonidae) from the lowlands of the Guiana shield
FIGURE 5 A–F: Holotype of R. lescurei (MNHN 2006.2608): a. dorsal view, b. profile of head, c. ventral view of left foot, d. ventral view of left hand; e: Rhinella sp. E (198bm), male, in dorsal view, f. living specimen, a male calling while perched on a vine. Arrows indicate one of the main character to differenciate the two species.
FIGURE 2 in Description of two new species of Rhinella (Anura: Bufonidae) from the lowlands of the Guiana shield
FIGURE 2: Graphical representations along three axis of discriminant analysis on morphological measurements taken from the Guianan Rhinella margaritifera species group. Variables in red squares and dashed lines indicate individuals that switched groups.
FIGURE 3 A-F in Description of two new species of Rhinella (Anura: Bufonidae) from the lowlands of the Guiana shield
FIGURE 3 A-F: Holotype of R. martyi (MNHN 2006.2601): a. dorsal view, b. profile of head, c. ventral view of left foot, d. ventral view of left hand; e: Rhinella margaritifera (clade A) (138bm), female, in dorsal view, f. living specimen MNHN 2006.2602. Arrows indicate one of the main character to differenciate the two species.
FIGURE 21 in Two new species of the enigmatic genus Stenophareus (Opiliones: Laniatores: Stygnidae) from the Venezuelan Guiana Shield
FIGURE 21. The Venezuelan Guiana Shield region showing the type localities of Stenophareus aonda sp. n. in Auyantepui (circle), S. guerreroi sp. n. in Chimantá-tepui (square) and S. roraimus in Roraima-tepui (triangle). Map based on shaded relief image PIA03388, Shuttle Radar Topography Mission, National Aeronautics and Space Administration (NASA).
FIGURES 15–20 in Two new species of the enigmatic genus Stenophareus (Opiliones: Laniatores: Stygnidae) from the Venezuelan Guiana Shield
FIGURES 15–20. Stenophareus aonda sp. n., male holotype (15–17); Stenophareus guerreroi sp. n., male holotype (18–20). 15, 18. Distal part of penis: lateral view. 16, 19. Same: dorsal view. 17, 20. Total penis: lateral view. Scale bars 500 micrometers.
FIGURES 1–7 in Two new species of the enigmatic genus Stenophareus (Opiliones: Laniatores: Stygnidae) from the Venezuelan Guiana Shield
FIGURES 1–7. Stenophareus aonda sp. n., male holotype (1–3, 5–7), male paratype (4). 1. Dorsal scute: dorsal view. 2. Same: lateral view. 3. Genital opercle: external view. 4. Cheliceral fingers: frontal view (MHNLS IV-228) 5. Right pedipalp: ectal view. 6. Same: mesal view. 7. Trochanter, femur and patella of right leg IV: dorsal view. Scale bars 1 millimeter.
FIGURES 8–14 in Two new species of the enigmatic genus Stenophareus (Opiliones: Laniatores: Stygnidae) from the Venezuelan Guiana Shield
FIGURES 8–14. Stenophareus guerreroi sp. n., male holotype. 8. Dorsal scute: dorsal view. 9. Same: lateral view. 10. Cheliceral fingers: frontal view. 11. Right pedipalp: ectal view. 12. Same: mesal view. 13. Distal tarsal articles of right leg IV: prolateral view. 14. Right tarsus of leg I: prolateral view. Scale bars 1 millimeter.
FIGURES 7 in Species diversity of Hyalinobatrachium glassfrogs (Amphibia: Centrolenidae) from the Guiana Shield, with the description of two new species
FIGURES 7. Adult males of Hyalinobatrachium kawense sp. nov. (A, B) holotype, MNCN 44825, SVL = 20.0 mm; (C) MNCN 44825, SVL = 19.9 mm; (D) MTD 48142; SVL = 19.0 mm; (E) MTD 48143, SVL = 20.0 mm; (F) egg clutch on the underside of a leaf.
FIGURES 4 in Species diversity of Hyalinobatrachium glassfrogs (Amphibia: Centrolenidae) from the Guiana Shield, with the description of two new species
FIGURES 4. Adult males of Hyalinobatrachium cappellei, resurrected in this work from synonymy with H. fleischmanni. Note the variability in pupil and pericardium coloration. Specimens from French Guiana and Suriname were previously identified as H. taylori. Specimens from Guyana and Venezuela were previously identified as H. crurifasciatum, H. eccentricum, or H. ignioculus. In this work we consider these three species junior synonyms of H. cappellei (see Appendix I for previous identifications). (A) Holotype, SVL = 21.6 mm; (B) RMNH 37850, SVL = 23.6 mm; (C) MNHN 2011.0109, SVL = 25.0 mm; (D) MNHN 2011.0108, SVL = 25.0 mm; (E, H) MTD 48146, SVL = 24.0 mm; (F) MTD 48140, SVL = 24.0 mm; (G, J) MHNLS 17327, SVL = 21.0 mm; (I) MHNLS 17135, SVL = 20.3 mm; (K) MHNLS 17328, SVL = 21.7 mm; (L) MHNLS 17335, SVL = 22.3 mm. Photographs by SCF (A–B, G, I–J) and MB (C–F, H).
FIGURE 11 in Species diversity of Hyalinobatrachium glassfrogs (Amphibia: Centrolenidae) from the Guiana Shield, with the description of two new species
FIGURE 11. Hyalinobatrachium tricolor sp. nov. from Kaw, French Guiana. (A, B) holotype, MNCN 44827, SVL = 20.3 mm; (C) paratopotype MNHN 2011.0116, SVL = 21.0 mm; (D, E) paratype MNCN 44828, SVL = 20.7 mm; (F) egg clutch on the underside of a leafcollected with MNCN 44828. Photographs by SCF (A) and MB (B–F).
FIGURES 2 in Species diversity of Hyalinobatrachium glassfrogs (Amphibia: Centrolenidae) from the Guiana Shield, with the description of two new species
FIGURES 2. Comparative oscillograms and spectograms of advertisement calls of Hyalinobatrachium species from the Guiana Shield and H. fleischmanni: (A) H. fleischmanni from Panama, audio from Ibañez et al. (1999); (B) H. kawense sp. nov. from French Guiana, MNCN 44825; (C) H. cappellei Venezuela, MHNLS 17328; (D) H. cappellei French Guiana, audio from Marty and Gaucher (1999); (E) H. iaspidiense from Venezuela, MHNLS 13495; (F) H. iaspidiense from French Guiana, audio from Marty and Gaucher (1999); (G) H. mesai, holotype; (H) H. tricolor sp. nov. from type locality in French Guiana, uncollected specimen; (I) H. mondolfii from Venezuela, MHNLS 17120; (J) H. taylori from Venezuela, MHNLS 13496.
FIGURES 5 in Species diversity of Hyalinobatrachium glassfrogs (Amphibia: Centrolenidae) from the Guiana Shield, with the description of two new species
FIGURES 5. Adult males of Hyalinobatrachium iaspidiense. (A) RMNH 37389, SVL = 20.5 mm; (B) SMNS 12247, SVL = 20.4 mm; (C) MTD 48145, SVL = 22.0 mm; (D) MTD 48147, SVL = 21.0 mm. Photographs by SCF (A), RE (B), MB (C, D).
FIGURE 1 in Species diversity of Hyalinobatrachium glassfrogs (Amphibia: Centrolenidae) from the Guiana Shield, with the description of two new species
FIGURE 1. Limits of the Guiana Shield sensu Gibbs and Barron (1993). Numbered circles correspond to approximated localities of Hyalinobatrachium species for this area including the biogeographic additions for amphibians of Señaris and Mac- Culloch (2005). For clarity, in some cases a numbered circle could refer to several closely situated localities. For details on localities see Appendix II.
FIGURES 6 in Species diversity of Hyalinobatrachium glassfrogs (Amphibia: Centrolenidae) from the Guiana Shield, with the description of two new species
FIGURES 6. Tadpoles of (A) Hyalinobatrachium cappellei, (B) H. iaspidiense; (C, D) H. mondolfii. RE (A,B), MB (C,D).
FIGURE 10 in Species diversity of Hyalinobatrachium glassfrogs (Amphibia: Centrolenidae) from the Guiana Shield, with the description of two new species
FIGURE 10. Adult males of Hyalinobatrachium taylori. (A) Holotype, BMNH 1939.1.1.65, SVL = 19.0 mm; (B) IRSNB 13987, SVL = 19.0 mm; (C, D) MNHN 2011.0112; SVL= 21.0 mm. Photographs by PK (A–B) and MB (C–D).
FIGURES 8 in Species diversity of Hyalinobatrachium glassfrogs (Amphibia: Centrolenidae) from the Guiana Shield, with the description of two new species
FIGURES 8. Adult males of Hyalinobatrachium mondolfii. (A) Topotype, MHNLS 17122, SVL = 22.2 mm; (B) MNHN 2011.0126, SVL = 23.0 mm; (C) MTD 48148, SVL = 22.0 mm; (D, E) SMNS 12255, SVL = 20.7 mm; (F) egg clutch on the underside of a leaf. Photographs by SCF (A), MB (B–C, F) and RE (D–E).
FIGURE 5 in A new species of Limatulichthys Isbrücker & Nijssen (Loricariidae, Loricariinae) from the western Guiana Shield
FIGURE 5. Map of southern Venezuela and western Guiana shield showing type locality (white star) and distribution of Limatulichthys nasarcus n. sp. (orange squares represent type specimens, whereas non-type specimens are represented by green squares); Limatulichthys griseus (blue circles); and Lim. cf. griseus (purple circles).
FIGURE 6. Size-corrected PCA for components 1 and 2 in A new species of Limatulichthys Isbrücker & Nijssen (Loricariidae, Loricariinae) from the western Guiana Shield
FIGURE 6. Size-corrected PCA for components 1 and 2, showing differentiation between morphological characters of the head region. On PC1: head width (HW), snout width at anterior margin of nares (SW), and width of head at upper lip (LW) loaded most positively. PC2: Opercular length (OL), snout length (SL), and distance from tip of snout to nasal loaded most positively (SN), while interorbital distance (ID) loaded most negatively. Symbols as in Figure 5; Limatulichthys cf. griseus "Beni" (red circles).
FIGURE 7 in A new species of Limatulichthys Isbrücker & Nijssen (Loricariidae, Loricariinae) from the western Guiana Shield
FIGURE 7. Results of discriminant analysis, which show whether linear measurements of the head region (see Table 1), could be discriminated between Limatulichthys nasarcus n. sp. and Limatulichthys griseus. Values of the discriminant scores for each species are plotted.
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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
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OpenNeuro
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