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34 results for “Chironius”
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 3 in A new species of Chironius Fitzinger, 1826 from the state of Bahia, Northeastern Brazil (Serpentes: Colubridae)
FIGURE 3. General views of adults (A–G) and juvenile (H) of Chironius diamantina in life (A and F adult female paratype MZUFBA 2394, SVL 895 mm, tail damaged). Photos by M. Freitas (B, H), R. Santos (C, D, G), and T. Lordelo (E).
FIGURE 6 in A new species of Chironius Fitzinger, 1826 from the state of Bahia, Northeastern Brazil (Serpentes: Colubridae)
FIGURE 6. Formations of riparian forests (A–B) and Campos Rupestres (C–D) in the Chapada Diamantina, northern portion of Serra do Espinhaço, where paratype of C. diamantina (MZUFBA 2394) was collected, municipality of Palmeiras, state of Bahia, Brazil. Photos R. Turba (C-D).
FIGURE 2 in A new species of Chironius Fitzinger, 1826 from the state of Bahia, Northeastern Brazil (Serpentes: Colubridae)
FIGURE 2. Color pattern variation in preservative (alcohol 70%) of adult male (A–F, paratype MZUSP 7804, SVL 640 mm, TL 371 mm), and adult female (G–H, paratype MZUSP 7805, SVL 504 mm, TL 306 mm) of Chironius diamantina.
FIGURE 1 in A new species of Chironius Fitzinger, 1826 from the state of Bahia, Northeastern Brazil (Serpentes: Colubridae)
FIGURE 1. Dorsal (A–C) and ventral (B–D) views of the body, and right (E) and left (F) lateral views of the head of the holotype of Chironius diamantina (M—ZUFBA 1657, SVL 645 mm, TL 373 mm) from Morro do Chapéu, state of Bahia, Brazil.
FIGURE 4 in A new species of Chironius Fitzinger, 1826 from the state of Bahia, Northeastern Brazil (Serpentes: Colubridae)
FIGURE 4. Asulcate (left), sulcate (center), and lateral (right) views of the hemipenis of Chironius diamantina (paratype MZUSP 7804). Photos by M.G. Pires.
FIGURE 11 in Taxonomic revision of Chironius flavolineatus (Jan, 1863) with description of a new species (Serpentes: Colubridae)
FIGURE 11. Landscape of the Cerrado (A) and riparian forests (B) vegetal formations in the Parque Nacional de Brasília, where paratype of C. brazili (IVB 3290) was collected, municipality of Brasília, Federal District, Brazil. Photos by T. Filadelfo.
FIGURE 3 in Taxonomic revision of Chironius flavolineatus (Jan, 1863) with description of a new species (Serpentes: Colubridae)
FIGURE 3. Asulcate (A, D), sulcate (B, E), and lateral (C, F) views of the hemipenis of C. flavolineatus (upper, UFS 419) and C. brazili (lower, MZUFV 1746). Arrow indicates region of medial constriction of hemipenis slightly covered with spinules.
FIGURE 4 in Taxonomic revision of Chironius flavolineatus (Jan, 1863) with description of a new species (Serpentes: Colubridae)
FIGURE 4. Lateral (A–C) and ventral (D) views of cephalic glands of C. flavolineatus (B, UFS 1329) and C. brazili (A, C, D, MCNR 2077). D.g.= Duvernoy gland; H.g.= Harder gland; i.g.= Infralabial glands; ls.g.= Lateral sublingual glands; ms.g.= Medial sublingual gland; n.g.= Nasal gland; p.g.= Premaxilar gland; and s.g.= Supralabial glands.
FIGURE 2 in Taxonomic revision of Chironius flavolineatus (Jan, 1863) with description of a new species (Serpentes: Colubridae)
FIGURE 2. General view of adult (A–F) and hatchlings (G–H) of Chironius flavolineatus in life. Photos by D. Santana (C), W. Pessoa (D), and C. Cintra (E–F).
FIGURE 1 in Taxonomic revision of Chironius flavolineatus (Jan, 1863) with description of a new species (Serpentes: Colubridae)
FIGURE 1. Color pattern variation in preservative of adults of C. flavolineatus from Bolivia (A–B, MNKR 2254), Paraguay (C–D, MNHNP 5201), and Brazil (E–H, UFPB 4669). Photos by R. Sosa (A–B) and M. Motte (C–D).
FIGURE 5 in Taxonomic revision of Chironius flavolineatus (Jan, 1863) with description of a new species (Serpentes: Colubridae)
FIGURE 5. Dorsal (A), ventral (B), posterior (C), and lateral views (D) of the skull of Chironius flavolineatus (UFS 1329).
FIGURE 8 in Taxonomic revision of Chironius flavolineatus (Jan, 1863) with description of a new species (Serpentes: Colubridae)
FIGURE 8. Color pattern variation in preservative of adult (A–B, MCNR 2790, SVL 840 mm, CL 537 mm) and juvenile (C– D, MNRJ 18936, SVL 256mm, CL 154 mm) of Chironius brazili.
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