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89 results for “Pantepui”
FIGURE 8 in A new species of Chironius Fitzinger, 1826 (Squamata: Colubridae) from the Pantepui region, northeastern South America
FIGURE 8. Holotype of Chironius fuscus (NRM 34). A: Dorsal view. B: Ventral view. Photos by Bodil Kajrup, Swedish Museum of Natural History.
FIGURE 6 in A new species of Chironius Fitzinger, 1826 (Squamata: Colubridae) from the Pantepui region, northeastern South America
FIGURE 6. Dorsal (upper left) and ventral (lower left) views of Chironius challenger sp. nov. (holotype, IRSNB 2659, 720 mm TTL) compared to dorsal (upper right) and ventral (lower right) views of C. fuscus (MHNLS 18627, 707 mm TTL) in preservative.
FIGURE 4 in A new species of Chironius Fitzinger, 1826 (Squamata: Colubridae) from the Pantepui region, northeastern South America
FIGURE 4. Chironius fuscus compared to C. challenger sp. nov. in life. A: C. fuscus, female 1162 mm TTL (tail incomplete) from Kaieteur National Park, Guyana (IRSNB 17980). B: C. fuscus, juvenile 404 mm TTL from Kaieteur National Park, Guyana (IRSNB 18005). C: Same specimen as in A. D: C. challenger sp. nov. female holotype 720 mm TTL from Maringma Tepui, Guyana (IRSNB 2659).
FIGURE 5 in A new species of Chironius Fitzinger, 1826 (Squamata: Colubridae) from the Pantepui region, northeastern South America
FIGURE 5. Map of the Pantepui region showing the known distribution of Chironius challenger sp. nov.: 1 = type locality, Maringma Tepui, Guyana; 2 = Mount Wokomung, Guyana; 3 = Auyantepui, Venezuela; 4 = Guaiquinima Tepui, Venezuela. Map modified from a radar image of South America by NASA/JPL/ NIMA available at http:// photojournal.jpl.nasa.gov/catalog/PIA03388.
FIGURE 3 in A new species of Chironius Fitzinger, 1826 (Squamata: Colubridae) from the Pantepui region, northeastern South America
FIGURE 3. Enlarged lateral views of heads of Chironius challenger sp. nov. compared to C. fuscus showing difference in loreal proportions (in red), and supralabials pattern (indicated by black arrow). A: C. challenger sp. nov. holotype from Maringma Tepui, Guyana (IRSNB 2659). B: C. challenger sp. nov. from Mount Wokomung, Guyana (juvenile, ROM 42603). C: C. challenger sp. nov. from Auyantepui, Venezuela (MHNLS 16088). D: C. challenger sp. nov. from Auyantepui, Venezuela (BMNH 1976.235). E: C. fuscus holotype, exact locality unknown (NRM 34, photo by Bodil Kajrup, Swedish Museum of Natural History). F: C. fuscus from Kaieteur National Park, Guyana (juvenile, IRSNB 18005). G: C. fuscus from Mount Wokomung (ROM 42602). H: C. fuscus from Rio Uey, Venezuela (MHNLS 18627).
FIGURE 1 in A new species of Chironius Fitzinger, 1826 (Squamata: Colubridae) from the Pantepui region, northeastern South America
FIGURE 1. Chironius challenger sp. nov. A: Dorsolateral view of the holotype in life (IRSNB 2659, 720 mm TTL). B: Ventral view of the anaesthetized holotype. C: Dorsal view of the preserved holotype. D: Ventral view of the preserved holotype.
FIGURE 2 in A new species of Chironius Fitzinger, 1826 (Squamata: Colubridae) from the Pantepui region, northeastern South America
FIGURE 2. Head and neck region of Chironius challenger sp. nov. compared to C. fuscus (female specimens similar in size, 720 and 707 mm TTL, respectively). A: Lateral view of head of C. challenger sp. nov. holotype (IRSNB 2659). B: Dorsal view of head of C. challenger sp. nov. holotype. C: Ventral view of head of C. challenger sp. nov. holotype. D: Lateral view of head of C. fuscus (MHNLS 18627). E: Dorsal view of head of C. fuscus. F: Ventral view of head of C. fuscus.
FIGURE 7 in A new species of Chironius Fitzinger, 1826 (Squamata: Colubridae) from the Pantepui region, northeastern South America
FIGURE 7. Dorsal (upper left) and ventral (lower left) views of a juvenile of Chironius challenger sp. nov. (ROM 42603, 315 mm TTL) compared to dorsal (upper right) and ventral (lower right) views of a juvenile of C. fuscus (IRSNB 18005, 404 mm TTL) in preservative.
FIGURE 10 in A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America
FIGURE 10. Pristimantis yuruaniensis from the type locality (Yuruani Tepui). Intrapopulation variation and sexual dichromatism in dorsal and ventral colour in living specimens. A: Dorsolateral view of the male IRSNB 15640, 23.8 mm SVL. B: Ventral view of the same specimen. C: Dorsolateral view of the male IRSNB 15641, 24.0 mm SVL. D: Ventral view of the same specimen. E: Dorsolateral view of the female IRSNB 15638, 32.1 mm SVL. F: Ventral view of the same specimen. G: Dorsolateral view of the female IRSNB 15639, 32.2 mm SVL. H: Ventral view of the same specimen. Photographs by Philippe J.R. Kok.
FIGURE 7 in A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America
FIGURE 7. Pristimantis aureoventris sp. nov. Groin region showing the conspicuous reddish orange flashmark in the adult male IRSNB 15827. Photograph by Philippe J.R. Kok.
FIGURE 6 in A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America
FIGURE 6. Pristimantis aureoventris sp. nov. A: Dorsolateral view of IRSNB 15643, 19.6 mm SVL, male referred specimen from the upper slopes of Mount Roraima. B: Ventral view of the same specimen while alive. C, D: Aerial photographs of the base of the ultimate cliff of the northern Prow of Mount Roraima, arrows indicate the exact place where the specimen was collected; a small part of Wei Assipu Tepui is visible on the upper left on image C. Photographs by D. Bruce Means.
FIGURE 5 in A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America
FIGURE 5. Pristimantis aureoventris sp. nov. Intrapopulation variation in dorsal (above) and ventral (below) colour in preserved specimens from Wei Assipu Tepui. First row, from left to right: IRSNB 4154, subadult female, 17.7 mm SVL, IRSNB 4153, adult female, 24.0 mm SVL, IRSNB 15820, adult male, 21.4 mm SVL. Second row, from left to right: IRSNB 15827, adult male, 22.3 mm SVL, IRSNB 15823, adult male, 22.6 mm SVL, IRSNB 15826, adult male, 22.7 mm SVL, IRSNB 15821, adult female, 29.0 mm SVL. Third row, from left to right: IRSNB 15825, adult male, 20.9 mm SVL, IRSNB 15824, adult male, 21.0 mm SVL, IRSNB 15822, adult female, 27.3 mm SVL. Photographs by Philippe J.R. Kok.
FIGURE 4 in A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America
FIGURE 4. Pristimantis aureoventris sp. nov. Intrapopulation variation in dorsal and ventral colour in living specimens from Wei Assipu Tepui. A-A': IRSNB 4154, subadult female, 17.7 mm SVL. B-B': IRSNB 4153, adult female, 24.0 mm SVL. C-C': IRSNB 15820, adult male, 21.4 mm SVL. D-D': IRSNB 15827, adult male, 22.3 mm SVL. E-E': IRSNB 15823, adult male, 22.6 mm SVL. F-F': IRSNB 15826, adult male, 22.7 mm SVL. G-G': IRSNB 15825, adult male, 20.9 mm SVL. H-H': IRSNB 15824, adult male, 21.0 mm SVL. I-I': IRSNB 15822, adult female, 27.3 mm SVL. Photographs by Philippe J.R. Kok.
FIGURE 3 in A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America
FIGURE 3. Pristimantis aureoventris sp. nov. Ventral views of left hand (left) and left foot (right) of the male holotype (IRSNB 4152, 20.4 mm SVL). Scale bars = 1 mm (left) and 1.5 mm (right). Photographs by Philippe J.R. Kok.
FIGURE 1 in A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America
FIGURE 1. Map of the Pantepui region, with enlarged white rectangle corresponding to the Eastern Tepui Chain: 1 = Maringma Tepui, 2 = Yakontipu, 3 = Appokailang, 4 = Wei Assipu Tepui, 5 = Mount Roraima, 6 = Kukenan Tepui, 7 = Achipo Tepui, 8 = Yuruani Tepui, 9 = Guadacapiapu Tepui, 10 = Karaurin Tepui, 11 = Ilu Tepui, 12 = Tramen Tepui. Areas in orange indicate summits higher than 2000 m elevation; areas in dark brown indicate summits lower than 2000 m; areas in light brown indicate tepui slopes above 1500 m elevation.
FIGURE 2 in A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America
FIGURE 2. Pristimantis aureoventris sp. nov. A: Dorsolateral view of the male holotype in life (IRSNB 4152, 20.4 mm SVL). B: Ventral view of the anaesthetized holotype. C: Dorsal view of the preserved holotype. D: Ventral view of the preserved holotype. Photographs by Philippe J.R. Kok.
FIGURE 8. A in A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America
FIGURE 8. A. Vocalisation of Pristimantis aureoventris sp. nov. Oscillogram, spectrogram, and power spectrum of one call of the male holotype recorded at 15.0°C temperature. B. Vocalisation of Pristimantis yuruaniensis. Oscillogram, spectrogram, and power spectrum of one call of a topotypic uncollected male recorded at 15.0°C temperature.
FIGURE 9. A in A new highland species of Pristimantis Jiménez de la Espada, 1871 (Anura: Strabomantidae) from the Pantepui region, northern South America
FIGURE 9. A. Aerial photograph of Wei Assipu Tepui (right) and Mount Roraima (left). B. Aerial photograph of Wei Assipu Tepui, Mount Roraima is well visible on the upper left. C. Summit of Wei Assipu Tepui. D. Typical vegetation in which specimens of Pristimantis aureoventris sp. nov. were collected. E. Clutch of four eggs in a dead pitcher of a Heliamphora nutans plant (pitcher removed from original location for photographic purpose). F. Close-up photograph of the four eggs inside the pitcher. Photographs by Philippe J.R. Kok.
FIGURE 9 in A new species of Oreophrynella (Anura: Bufonidae) from the Pantepui region of Guyana, with notes on O. macconnelli Boulenger, 1900
FIGURE 9. Habitat of Oreophrynella macconnelli on the southeast slope of Maringma tepui. A: Montane mediumcanopy forest with abundant epiphytes and mosses, and rich undergrowth. B: Campyloneurum sp., Polypodiaceae, an epiphytic fern species on which most specimens of O. macconnelli specimens were collected (white arrow indicates typical location of a specimen).
FIGURE 6 in A new species of Oreophrynella (Anura: Bufonidae) from the Pantepui region of Guyana, with notes on O. macconnelli Boulenger, 1900
FIGURE 6. Oreophrynella macconnelli, preserved specimen (IRSNB 14335, 22.3 mm SVL, ventral view). A: Left hand. B: Left foot. Scale bars are 1 mm.
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