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43 results for “Tapajós River”
FIGURE 3 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
FIGURE 3. Detail of ventral surface of hands of a male holotype (INPA-H 40486) (A) and female paratype of Allobates nunciatus sp. nov. (B) (INPA-H 40489). Scale bar = 2.0 mm. Photographs by J. Magnusson.
FIGURE 6 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
FIGURE 6. Dorsolateral views of live specimens of Allobates nunciatus sp. nov., including one adult male (A, B, INPA-H 40307), one adult female (C, INPA-H 40475), and one juvenile male (D, unvouchered). For comparison of overall color, (E) and (F) are adult males of closely related A. masniger and A. nidicola, respectively. Note the darker brown dorsum and limbs in A. masniger and A. nidicola. Photographs by J. Cassimiro (A, E), J. Gomes (B), L. Moraes (C, D), and A.P. Lima (F).
FIGURE 15 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
FIGURE 15. Reproductive behavior of Allobates nunciatus sp. nov. (A) Calling male on large dry Cecropia spp. leaves on leaf litter, INPA-H 40479; (B, C) twisted dry fallen leaves on leaf litter, used as nests; (D) gelatinous mass with tadpoles on a twisted dry fallen leave. Photographs by A. P. Lima.
FIGURE 5 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
FIGURE 5. Dorsal and ventral views of preserved adult paratypes of Allobates nunciatus sp. nov. showing morphological variation. (A–F) Males, from left to right: INPA-H 40305 (19.2 mm SVL), INPA-H 40482 (20.0 mm SVL), and INPA-H 40307 (20.5 mm SVL); (G–L) females, from left to right: INPA-H 40489 (21.4 mm SVL), INPA-H 40480 (20.6 mm SVL), and INPA- H 40484 (19.3 mm SVL). Some specimens show preservation scratches on dorsum. Not to scale. Photographs by L. Moraes.
FIGURE 12 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
FIGURE 12. Ventral (A) and oblique (B) views of the oral disc of a preserved tadpole of Allobates nunciatus sp. nov. in devel- opmental stage 36 (from lot INPA-H 40487). Scale bar = 1.0 mm. Photographs by J. Magnusson.
FIGURE 9 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
FIGURE 9. Waveform (above) and spectrogram (below) views of the structure of advertisement call of Allobates nunciatus sp. nov. (paratype INPA-H 40305, 19.2 mm SVL) emphasizing the most frequent arrangement of 4-pulsed units of repetition (UR) followed by silent intervals, and call parameters measured.
FIGURE 14 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
FIGURE 14. Photographs from the occurrence area of Allobates nunciatus sp. nov. in Middle Tapajós River region, state of Pará, Brazil. (A–C) Aerial view of the Jamanxim River and its forested banks; (B) Primary dense non-flooded forest (terra firme), the main habitat of the species. Photographs by D. Pavan (A–C) and L. Moraes (D).
FIGURE 8 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
FIGURE 8. Principal Component Analysis of sex-related morphology (A–C) of Allobates nunciatus sp. nov., and sister taxa- related morphology, comparing male (D–F) and female (G–I) adult specimens. The morphological variation was based on the SVL and body ratios (measurements/SVL).
FIGURE 4 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
FIGURE 4. Detail of the ventral surface of feet of a male holotype (INPA-H 40486) (A) and female paratype of Allobates nunciatus sp. nov. (B) (INPA-H 40489). Scale bar = 3.0 mm. Arrows indicate basal webbing between toes III and IV. Photographs by J. Magnusson.
FIGURE 11 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
FIGURE 11. (A, B, C) Dorsal, lateral, and ventral views of a preserved tadpole of Allobates nunciatus sp. nov. in developmental stage 36 (from lot INPA-H 40487). Scale bar = 5.0 mm. Photographs by J. Magnusson.
APPENDIX 2 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
APPENDIX 2. (Continued) Morphometric variation related to female specimens of sister-taxa (A. masniger, A. nidicola and A. nunciatus sp. nov.)
APPENDIX 3 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
APPENDIX 3. Specimens of Allobates included in molecular analysis, with respective voucher number, locality of occurrence and Genbank accession numbers. Highlighted are newly generated sequences.
APPENDIX 2 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
APPENDIX 2. (Continued) Morphometric variation related to female specimens of sister-taxa (A. masniger, A. nidicola and A. nunciatus sp. nov.)
APPENDIX 2 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
APPENDIX 2. Loadings result of the Principal Component Analysis related to sex of Allobates nunciatus sp. nov. and sister-taxa morphometry (adult specimens), with highest values of three first axis highlighted. Morphological variation based on the SVL and morphometric ratios. Abbreviations: (PC) Principal Component, (SVL) snout–vent length; (FA) forearm length; (HA) hand length; (TL) tibia length; (FL) foot length; (HW) head width; (HL) head length; (ED) eye diameter; (EN) eye–nostril distance; (IN) internarial distance; (IO) interorbital distance; (TD) tympanum diameter; (WFD) width of finger III disc, (WTD) width of toe IV disc; (THL) thigh length and (1Fil) first finger length. Morphometric variation related to sex of Allobates nunciatus sp. nov.
FIGURES 33–39 in Taxonomy of three new Neidium Pfitzer species of the Arapiuns and Tapajós Rivers Basin (Santarém, Pará, Brazil)
FIGURES 33–39. Neidium muyrakytan in SEM. Fig. 33. General external valve view. Figs. 34, 35. External view showing proximal raphe deflected hooks forming bent at approximately 90o. Fig. 36. Triangular lacinia that cover the distal raphe endings. Fig. 37. General internal valve view. Fig. 38. Internally, distal raphe endings showing a prominent thickened nodule. Fig. 39. Proximal raphe endings form loosely interconnected ribbed nodules. Scale bars: Figs. 33, 37 = 10 μm; Figs. 34–36, 38, 39 = 2 μm.
FIGURES 12–18 in Taxonomy of three new Neidium Pfitzer species of the Arapiuns and Tapajós Rivers Basin (Santarém, Pará, Brazil)
FIGURES 12–18. Neidium borari in SEM. Fig. 12. General external valve view. Fig. 13. Triangular lacinia that cover the distal raphe endings. Fig. 14. External view showing proximal raphe endings straight with drop-like shaped. Figs. 15, 17. Internally, distal raphe endings showing a prominent helictoglossae. Fig. 16. Proximal raphe endings form loosely interconnected ribbed nodules and evident renilimbi around areolae (arrows). Fig. 18. General internal valve view. Scale bars: Figs. 12, 18 = 10 μm; Figs. 15 = 5 μm; Figs. 13, 14, 16, 17 = 2 μm.
FIGURES 2–11 in Taxonomy of three new Neidium Pfitzer species of the Arapiuns and Tapajós Rivers Basin (Santarém, Pará, Brazil)
FIGURES 2–11. LM valve views of Neidium borari. Fig. 2, holotype. Fig. 5, paratype. Scale bar = 10 μm
FIGURE 1 in Taxonomy of three new Neidium Pfitzer species of the Arapiuns and Tapajós Rivers Basin (Santarém, Pará, Brazil)
FIGURE 1. Geographic area with Neidium sampling points in the Arapiuns and Tapajós Rivers region of Brazil. Site Codes: AR = Arapiuns River; JL = Jurucuí Lake; LV = Verde Lake; TL = Tapari Lake; TR = Tapajós River.
APPENDIX 3 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
APPENDIX 3. (Continued)
APPENDIX 3 in A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia
APPENDIX 3. (Continued)
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