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110 results for “Potamonautes”
FIGURE 2. Potamonautes nheenae n in Potamonautes nheenae, a new species of freshwater crab from Gabon, Central Africa, with a description of the first known male of Erimetopus brazzae (A. Milne-Edwards, 1886) from the Democratic Republic of the Congo, Central Africa (Brachyura: Potamoidea: Potamonautidae)
FIGURE 2. Potamonautes nheenae n. sp. Holotype, adult male, CW 21.5 mm, from Ivindo, Gabon (SMF 7897). A. Right cheliped, frontal view. B. Left cheliped, frontal view. C. Merus, carpus, fingers of left cheliped, dorsal view. D. Carapace frontal view. Scale bar: 6.5 mm (A, B), 1 mm (C), 5.7 mm (D).
FIGURE 4. Potamonautes nheenae n in Potamonautes nheenae, a new species of freshwater crab from Gabon, Central Africa, with a description of the first known male of Erimetopus brazzae (A. Milne-Edwards, 1886) from the Democratic Republic of the Congo, Central Africa (Brachyura: Potamoidea: Potamonautidae)
FIGURE 4. Potamonautes nheenae n. sp. Holotype, adult male, CW 21.5 mm, from Ivindo, Gabon (SMF 7897). A. Carapace, frontal view. B. Dorsal view. C. Pleon (abdomen). D. Thoracic sternum. E. Third maxilliped frontal view. F. Right cheliped, frontal view. G. Left cheliped, frontal view. Scale bar: 5.7 mm (A–G).
FIGURE 17–21 in Notes on the taxonomy of Potamonautes obesus (A Milne-Edwards, 1868) and Potamonautes calcaratus (Gordon, 1929) (Brachyura: Potamoidea: Potamonautidae) from eastern and southern Africa
FIGURE 17–21. Potamonautes obesus (A. MilneEdwards, 1868), right (major) cheliped of males of different body sizes. 17, juvenile male, (cw 18 mm); 18, subadult male, (cw 24.8 mm); 19, adult male, form I (cw 38.9 mm); 20, f adult male, form I (cw 44 mm); 21, adult male, form II (cw 49.1 mm). Scale bar = 3 cm.
FIGURES 1–8 in Notes on the taxonomy of Potamonautes obesus (A Milne-Edwards, 1868) and Potamonautes calcaratus (Gordon, 1929) (Brachyura: Potamoidea: Potamonautidae) from eastern and southern Africa
FIGURES 1–8. Potamonautes obesus (A. MilneEdwards, 1868), adult male, form II (cw 49.1 mm, NMU TRW 1968.06) from Mlali, near Morogoro, Uluguru Mountains, Tanzania. 1, carapace and eyes, dorsal view; 2, cephalothorax, carapace and eyes, frontal view; 3, right cheliped, frontal view; 4, left cheliped, frontal view; 5, carpus and merus of right cheliped, dorsal view; 6, merus of right cheliped, inferior view; 7, left third maxilliped; 8, sternum and abdomen. Scale = 3 cm, 1–6, 8; 6 cm, 7.
FIGURE 28 in Notes on the taxonomy of Potamonautes obesus (A Milne-Edwards, 1868) and Potamonautes calcaratus (Gordon, 1929) (Brachyura: Potamoidea: Potamonautidae) from eastern and southern Africa
FIGURE 28. Summary of the distribution of Potamonautes obesus (A. MilneEdwards, 1868) (black triangles) and Potamonautes calcaratus (Gordon, 1929) (black circles). Data are taken from the present study and from the literature (Barnard 1950; Pretzmann 1977).
FIGURES 22–29 in Notes on the taxonomy of Potamonautes obesus (A Milne-Edwards, 1868) and Potamonautes calcaratus (Gordon, 1929) (Brachyura: Potamoidea: Potamonautidae) from eastern and southern Africa
FIGURES 22–29. Potamonautes obesus (A. MilneEdwards, 1868), adult male, form II (cw 49.1 mm, NMU TRW 1968.06) from Mlali, near Morogoro, Uluguru Mountains, Tanzania. 22, left gonopod 1, dorsal aspect; 23, left gonopod 1, terminal article, superior aspect; 24, left gonopod 1, ventral aspect. Potamonautes calcaratus (Gordon, 1929), lectotype, adult male, form I (cw 35.8 mm, NHML 1929.3.5.9–13). 25, left gonopod 1, dorsal aspect; 26, left gonopod 1, terminal article, superior aspect; 27, left gonopod 1, ventral aspect.
FIGURES 9–16 in Notes on the taxonomy of Potamonautes obesus (A Milne-Edwards, 1868) and Potamonautes calcaratus (Gordon, 1929) (Brachyura: Potamoidea: Potamonautidae) from eastern and southern Africa
FIGURES 9–16. Potamonautes calcaratus (Gordon, 1929), lectotype, adult male, form I (cw 35.8 mm, NHML 1929.3.5.9–13). 9, carapace and eyes, dorsal view; 10, cephalothorax, carapace and eyes, frontal view; 11, right cheliped, frontal view; 12, left third maxilliped; 13, carpus and merus of right cheliped, dorsal view; 14, merus of right cheliped, inferior view; 15, sternum and abdomen; 16, right fifth pereiopod (modified from Gordon 1929). Scale bar = 3 cm, 9–11, 13–16; 6 cm, 12.
Figure 7 in Two new species of freshwater crabs from Mount Elgon, East Africa (Brachyura: Potamoidea: Potamonautidae) and a re-diagnosis of Potamonautes niloticus (H. Milne Edwards, 1837) with notes on their natural history and onchocerciasis
Figure 7. Potamonautes williamsi sp. nov. Adult male, paratype, cw 20 mm (NHM 2008.3332– 3339). Cheliped: (A) right (major) frontal view; (B) left (minor) frontal view; whole animal: (C) dorsal view; (D) ventral view; (E) carapace, frontal view. Photographs Phil Crabb, NHM Photographic Unit.
Figure 6 in Two new species of freshwater crabs from Mount Elgon, East Africa (Brachyura: Potamoidea: Potamonautidae) and a re-diagnosis of Potamonautes niloticus (H. Milne Edwards, 1837) with notes on their natural history and onchocerciasis
Figure 6. Potamonautes williamsi sp. nov. (A,B) Adult male, paratype, cw 20 mm, from Mount Elgon, foot of Sipi Falls, Sipi River, Nyenye sector (NHM 2008.3332–3339): (A) left third maxilliped; (B) sternum; (C,D) adult male Mount Elgon, stn El.109, Simu stream, tributary of the Siroko River, (NMU TRW 1960a): (C) GO1 ventral view; (D) GO1, dorsal view. Scale bar represents 4.5 mm (A,B) or 3 mm (C,D).
Figure 5 in Two new species of freshwater crabs from Mount Elgon, East Africa (Brachyura: Potamoidea: Potamonautidae) and a re-diagnosis of Potamonautes niloticus (H. Milne Edwards, 1837) with notes on their natural history and onchocerciasis
Figure 5. Potamonautes williamsi sp. nov. Adult male, paratype, cw 20 mm, from Mount Elgon, foot of Sipi Falls, Sipi River, Nyenye sector (NHM 2008.3332–3339). (A) Carapace, dorsal view; (B) cephalothorax, frontal view; cheliped, (C) right frontal view; (D) left frontal view; (E) carpus and merus of right cheliped, dorsal view; (F) carpus and merus of right cheliped, inferior view. Scale bar represents 5.7 mm (A,B) or 3.7 mm (C–F).
Figure 4 in Two new species of freshwater crabs from Mount Elgon, East Africa (Brachyura: Potamoidea: Potamonautidae) and a re-diagnosis of Potamonautes niloticus (H. Milne Edwards, 1837) with notes on their natural history and onchocerciasis
Figure 4. Potamonautes elgonensis sp. nov. Adult male, paratype, cw 49.5 mm, from Mount Elgon, Uganda (NMU TRW 1959.04). Cheliped: (A) right (major) frontal view; (B) left (minor) frontal view; whole animal: (C) dorsal view; (D) ventral view; (E) carapace, frontal view. Photograph Phil Crabb, NHM Photographic Unit.
Figure 2 in Two new species of freshwater crabs from Mount Elgon, East Africa (Brachyura: Potamoidea: Potamonautidae) and a re-diagnosis of Potamonautes niloticus (H. Milne Edwards, 1837) with notes on their natural history and onchocerciasis
Figure 2. Potamonautes elgonensis sp. nov. Male, paratype, cw 49.5, from Mount Elgon, Uganda (NMU TRW 1959.04). (A) Cephalothorax, frontal view; (B) carapace, dorsal view; (C) cheliped, left (minor) frontal view; (D) cheliped, right (major) frontal view; (E) carpus and merus of right cheliped, dorsal view; (F) carpus and merus of right cheliped, inferior view; (G) abdomen. Scale bar represents 12.4 mm.
Figure 3 in Two new species of freshwater crabs from Mount Elgon, East Africa (Brachyura: Potamoidea: Potamonautidae) and a re-diagnosis of Potamonautes niloticus (H. Milne Edwards, 1837) with notes on their natural history and onchocerciasis
Figure 3. Potamonautes elgonensis sp. nov. Adult male, paratype, cw 49.5 mm, from Mount Elgon, Uganda (NMU TRW 1959.04). (A) Left third maxilliped; (B) anterior sternum; (C) left first gonopod ventral view; (D) left first gonopod dorsal view. Scale bar represents 12.4 mm (A,B) or 4.5 mm (C,D).
Figure 1 in Two new species of freshwater crabs from Mount Elgon, East Africa (Brachyura: Potamoidea: Potamonautidae) and a re-diagnosis of Potamonautes niloticus (H. Milne Edwards, 1837) with notes on their natural history and onchocerciasis
Figure 1. Potamonautes niloticus (H. Milne Edwards, 1837). Adult male from Yala River, Kenya (NHM 2008.3388). Cheliped: (A) right (major) frontal view; (B) left (minor), frontal view; whole animal: (C) dorsal view; (D) ventral view; (E) carapace, frontal view. Photograph Phil Crabb, NHM Photographic Unit.
Figure 3 in Renewed sampling of inland aquatic habitats in southern Africa yields two novel freshwater crab species (Decapoda: Potamonautidae: Potamonautes)
Figure 3. Potamonautes bellarussus sp. nov., female from the Mecula mountains in the Niassa province, Mozambique, showing the bright-red colour of the freshwater crab while alive.
Figure 4 in Renewed sampling of inland aquatic habitats in southern Africa yields two novel freshwater crab species (Decapoda: Potamonautidae: Potamonautes)
Figure 4. Potamonautes bellarussus sp. nov., male holotype (carapace length = 39.29 mm) from the Yao Mountains, 1045 m a.s.l., 12°27′276″ S, 36°32′260″ E, Niassa province, Mozambique (SAM A 48212): A, whole animal, dorsal aspect; B, whole animal, ventral aspect; C, cephalothorax, frontal aspect. Scale bars: 10 mm.
Figure 8 in Renewed sampling of inland aquatic habitats in southern Africa yields two novel freshwater crab species (Decapoda: Potamonautidae: Potamonautes)
Figure 8. Potamonautes flavusjo sp. nov., male holotype, Verloren Vallei Nature Reserve (site B), Mpumalanga province of South Africa (SAM A 48203). A, left gonopod 1, anterior view; B, left gonopod 1, posterior view; C, left gonopod 2, anterior view. Scale bars: 10 mm.
Figure 7 in Renewed sampling of inland aquatic habitats in southern Africa yields two novel freshwater crab species (Decapoda: Potamonautidae: Potamonautes)
Figure 7. Potamonautes flavusjo sp. nov., male holotype (carapace length = 24.02 mm) Verloren Vallei Nature Reserve (site B), 2000 m a.s.l., 25°20′333 ″ S, 30°07 ′546 ″ E, Mpumalanga province of South Africa (SAM A 48203): A, whole animal, dorsal aspect; B, whole animal, ventral aspect; C, cephalothorax, frontal aspect. Scale bars: 10 mm. The right cheliped was broken off prior to capture.
Figure 5 in Renewed sampling of inland aquatic habitats in southern Africa yields two novel freshwater crab species (Decapoda: Potamonautidae: Potamonautes)
Figure 5. Potamonautes bellarussus sp. nov., male holotype from the Yao Mountains, Niassa province, Mozambique (SAM A 48212): A, left gonopod 1, anterior view; B, left gonopod 1 posterior view; C, left gonopod 2 anteri- or view. Scale bars: 10 mm.
Figure 6. A–C, Potamonautes perlatus s.s in Disentangling the divergence and cladogenesis in the freshwater crab species (Potamonautidae: Potamonautes perlatus sensu lato) in the Cape Fold Mountains, South Africa, with the description of two novel cryptic lineages
Figure 6. A–C, Potamonautes perlatus s.s. male neotype (SAM A45755): A, left gonopod 1, anterior view; B, left gonopod 1 posterior view; C, left gonopod 2 posterior view. D–F, Potamonautes barbarai sp. nov. male holotype (SAM A41061): D, left gonopod 1, anterior view; E, left gonopod 1 posterior view; F, left gonopod 2 posterior view; and G–I, Potamonautes barnardi sp. nov. male holotype (SAM A41013): G, left gonopod 1, anterior view; H, left gonopod 1 posterior view; I, left gonopod 2 posterior view. Scale bars = 1.0 mm.
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