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224 results for “Brachyuran crabs”
FIGURE 40. A–H in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 40. A–H, Paractaea nodosa (Stimpson, 1860). A, B, Male, cl 8.9 mm, cw 12.8 mm (MZUSP 33733). C, Female, cl 12 mm, cw 17.1 mm (MZUSP 41277). D, Juvenile female, cl 8 mm, cw 11.2 mm (MZUSP 41276). E, F, Ovigerous female, cl 5.5 mm, cw 8 mm (MZUSP 40930). G, H, Male, cl 14 mm, cw 20 mm (USNM 242831). I, J, Paractaea africana Guinot, 1969, male, cl 12 mm, cw 17 mm (USNM 256637). Habitus, dorsal (A, B–E, G, J) and ventral (B, F, H) aspects. Anterior view (I). Note in P. nodosa the distinctly wider intralobular grooves on the carapace and hence more distinctly spaced carapace lobules. Note in (D, G) 1P lobule almost completely divided longitudinally (arrows), and in (J) the 1P lobule (arrow) almost entire. Photographs: (A–F) by A. Pol, (G–J) by J. Colavite.
FIGURE 39. A–C in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 39. A–C, Microcassiope minor (Dana, 1852). A, Carapace of female, cl 7 mm, cw 10 mm, Tenkpobo (as Tenpobo), Gulf of Guinea (after Monod 1956: 314, fig. 386, as Micropanope rufopunctata). B, Tip of the first male gonopod, nearly sternal
FIGURE 54. A–E, Cyclograpsus integer H. Milne Edwards, 1837. A, B in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 54. A–E, Cyclograpsus integer H. Milne Edwards, 1837. A, B, Juvenile female, cl 5.9 mm, cw 7 mm (MZUSP
FIGURE 38. A–E in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 38. A–E, Microcassiope minor (Dana, 1852), tip of the first gonopod, sternal view, male, cl 4.5 mm, cw 6.1 mm (MZUSP 33819). A–E, Differencial interference contrast images. B–E, Details of (A). Scale: 0,1 mm.
FIGURE 42. A–O in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 42. A–O, Williamstimpsonia denticulata (White, 1848). A, Juvenile male, cl 3.5 mm, cw 5 mm (MZUSP 41322). B, Juvenile male, cl 4 mm, cw 6 mm (MZUSP 40934). C, Juvenile female, cl 5.9 mm, cw 8.1 mm (MZUSP 41321). D, Female, cl 8 mm, cw 12.5 mm (MZUSP 41317). E, Male, cl 9.9 mm, cw 15.1 mm (MZUSP 33730). F, Male, cl 10 mm, cw 15.9 mm (MZUSP 412306). G, Ovigerous female, cl 10.9 mm, cw 17 mm (MZUSP 41320). H, Male, cl 11.2 mm, cw 18.1 mm (MZUSP 412305). I, Male, cl 11.9 mm, cw 18.9 mm (MZUSP 41309). J), Male, cl 12.8 mm, cw 20 mm (MZUSP 41304). K, Male, cl 12.2 mm,
FIGURE 35. A–E, First male gonopods. A–C in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 35. A–E, First male gonopods. A–C, Cataleptodius floridanus (Gibbes, 1850). A, B, Male, cl 17 mm, cw 27 mm (MZUSP 9937). C, Male from Tortugas, Florida, cl 7 mm, cw 11 mm (after Monod 1956: 293, fig. 356, as Xantho floridana, reproduced by Guinot 1968: 707, fig. 23, as Cataleptodius floridanus). D, Mecataleptodius parvulus (Fabricius, 1793), gen.
FIGURE 34. A, B in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 34. A, B, Mecataleptodius parvulus (Fabricius, 1793), gen. nov., comb. nov., male, cl 6.5 mm, cw 10 mm (MZUSP
FIGURE 36. A–D, First male gonopods. A in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 36. A–D, First male gonopods. A, Leptodius exaratus (H. Milne Edwards, 1834), type species of Leptodius A. Milne-Edwards, 1869, neotype, cl 16.1 mm, cw 23.7 mm, after Lee et al. (2013:195, fig. 4B). B, Xantho hydrophilus (Herbst, 1790), senior synonym of Cancer incisus Leach, 1814, type species of Xantho Leach, 1814, after Drach & Forest (1953:18, fig. 21, as Xantho floridus Montagu, 1808). C, Cataleptodius occidentalis (Stimpson, 1871), after Holthuis (1954: 30, fig. 11b). D, Xanthodius sternberghii Stimpson, 1859, type species of Xanthodius Stimpson, 1859 (after López 1990).
FIGURE 33. A–H in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 33. A–H, Glyptoxanthus vermiculatus (Lamarck, 1818). A, B, Female, cl 23 mm, cw 31 mm (MZUSP 40938). C, D, Male, cl 19 mm, cw 23 mm (MZUSP 33832). E–H, Male, cl 16 mm, cw 21 mm (MZUSP 41263). Note in (B, F) afferent opening at the base of the cheliped protected by dense setae (arrows); in (G, H) the highly vermiculated pattern of the body and mottled
FIGURE 31. A–F in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 31. A–F, Banareia palmeri (Rathbun, 1894). A, B, Juvenile female, cl 5.6 m, cw 7.3 mm (MZUSP 39576). C, D, Male, cl 6.1 m, cw 8.3 mm (MZUSP 7203). E, F, Female, cl 15.5 m, cw 24 mm (USNM 45575). Note in (B) cheliped fingers crossed in closed position, less so in (F) and fingers not crossing in (D). Scales: A–F, 5 mm. Photographs (E, F) by J. Colavite.
FIGURE 32. A–D in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 32. A–D, Garthiope spinipes (A. Milne-Edwards, 1880). A, B, Male, cl 6 mm, cw 8.6 mm (MZUSP 40248). C, D, Ovigerous female, cl 6.1 mm, cw 9.1 mm (MZUSP 40936). Habitus, dorsal (A,C) and ventral (B, D) aspects. Photographs by A. Pol.
FIGURE 20. A, B in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 20. A, B, Amphithrax hemphilli (Rathbun, 1892), juvenile, cl 4.4 mm, cw 3 mm (MZUSP 33821), dorsal aspect of the carapace and anteroventral view. Scale: A, B, 1 mm.
FIGURE 26. A–D in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 26. A–D, Thyrolambrus astroides Rathbun, 1894. A, Male, cl 4.1 mm, cw 5.9 mm (MZUSP 39694). B–D, Female, cl 11.3 mm, cw 15.4 mm (MZUSP 41234). Habitus, dorsal (A, B) and ventral views (C). D, Right cheliped, lateral view. Scales: A, 2 mm. B, C, 10 mm. D, 3 mm. Photographs: (A) by A. Pol, (B–D) by J. Colavite.
FIGURE 28. A–D in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 28. A–D, Laleonectes vocans (A. Milne-Edwards, 1878). A, B, Male, cl 11.2 mm, cw 23.6 mm (MZUSP 40174). Note stridulating ridge (arrows) stretching along the lateral walls of the carapace, across the pterygostomial region into the infraorbital margin. C, D, Male, cl 10.2 mm, cw 20 mm (MZUSP 40179). Habitus, dorsal (A, C) and ventral views (B, D). Photographs by A. Pol.
FIGURE 30. A, B in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 30. A, B, Domecia acanthophora (Desbonne in Desbonne & Schramm, 1867). A, Habitus, dorsal view, juvenile female, cl 3.1 mm, cw 4.9 mm (MZUSP 41302). B, male, 6.2 mm, cw 8.8 mm, from Alagoas, Brazil. C, Domecia africana Guinot in Manning & Holthuis, 1981, female, cl 6 mm, cw 8.2 mm, from Cape Verde. B, C, after Guinot (1964). Photograph (A) by A. Pol.
FIGURE 16. A–I in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 16. A–I, Differencial interference contrast images of the first male gonopod in sternal (A–C, F–I) and pleonal (D, E) views. A–E, Epialtus parvulus sp. nov., holotype male, cl 6.4 mm, cw 5.1 mm (MZUSP 40577). F, G, Epialtus bituberculatus H. Milne Edwards, 1834, male, cl 6 mm, cw 7.5 mm (MZUSP 22660). H, I, Epialtus brasiliensis Dana, 1852, male, cl 5.9 mm, cw 4.5 mm (MZUSP 41772). Scales: 0.1 mm.
FIGURE 10. A–E in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 10. A–E, Calappa galloides Stimpson, 1859. A–C, E, Juvenile male, cl 7.9 mm, cw 8 mm (MZUSP 33818). D, Male, cl 28 mm, cw 3.1 mm (MZUSP 33815). A, B, habitus, dorsal and ventral views, respectively. C, D, Semi diagramatic outline of the carapace frontorbital area, dorsal view. E, Anterior view. Scales: C, D, 1 mm. Photographs by A. Pol.
FIGURE 7. A–C in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 7. A–C, Moreiradromia antillensis (Stimpson, 1858), scanning electron micrographs. A–C, Female, cw 8.8 mm (MZUSP 5905). Note in (A) very pilose carapace and appendages, which help the crab to hold sponges and other materials firmly against the dorsal body surface. B, Detail of the antennule and antenna. C, Detail of the first article of antenna much wider than long, beaked medially. Scales: A, 1 mm. B, 0.5 mm. C, 0.1 mm.
FIGURE 24. A–G in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 24. A–G, Teleophrys pococki Rathbun, 1924. A, Adult male (MZUSP 39583), cl 9.2 mm, cw 10 mm. B, Ovigerous female (MZUSP 40614), cl 7.8 mm, cw 8 mm. C, D, Ovigerous female (MZUSP 39687), cl 6.1 mm, cw 6.1 mm. E, Juvenile male (MZUSP 40699), cl 4.1 mm, cw 4 mm. Note the more granular carapace and spiniform anterolateral teeth. F, G, Juvenile
FIGURE 13. A–D, Acanthonyx petiverii H. Milne Edwards, 1834. A, B in Brachyuran crabs (Crustacea, Decapoda) from the remote oceanic Archipelago Trindade and Martin Vaz, South Atlantic Ocean
FIGURE 13. A–D, Acanthonyx petiverii H. Milne Edwards, 1834. A, B, Juvenile male, cl 4.5 mm, cw 2.8 mm (MZUSP 40671). C, D, Ovigerous female, cl 9.5 mm, cw 13 mm (MZUSP 40567). Arrows indicate in (A) the first branchial lobe inconspicuously developed and in (B) the propodi of P2–P5 without the characteristic compressed, dilatated shape. Photographs by A. Pol.
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