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131 results for “Pseudothelphusidae”
FIGURE 1. Phallangothelphusa zenuorum n in A new species of freshwater crab of the genus Phallangothelphusa Pretzmann 1965, from Colombia (Crustacea: Decapoda: Pseudothelphusidae), with a key to the species of the genus
FIGURE 1. Phallangothelphusa zenuorum n. sp., male holotype (cl 16.3 mm, cb 28.0 mm), ICN-MHN-CR 3478. A, habitus, dorsal view; B, frontal view of carapace; C, chela of large cheliped, external view; D, opening of left efferent branchial channel, external view; E, left third maxilliped, external view.
FIGURE 2. Phallangothelphusa zenuorum n in A new species of freshwater crab of the genus Phallangothelphusa Pretzmann 1965, from Colombia (Crustacea: Decapoda: Pseudothelphusidae), with a key to the species of the genus
FIGURE 2. Phallangothelphusa zenuorum n. sp., male holotype, ICN-MHN-CR 3478, first and second gonopods. A, left first gonopod, caudal view; B, same, lateral view; C, same, cephalic view; D, same, mesial view; E, apex distal view; F, left second gonopod, endopod caudal view; G, same, detail of endopod distal view. 1, distal projection of mesial process; 2, curvature; 3, proximal projection of mesial process; 4, spine; 5, lateral process; 6, protuberance of lateral side; 7, caudal lobe; 8, spermatic channel.
FIGURE 4 in A new species of the genus Fredius Pretzmann, 1967 (Decapoda: Brachyura Pseudothelphusidae) from Brazil, with comments on the southerly distribution of the family
FIGURE 4. Map indicating the southernmost records of the pseudothelphusid freshwater crabs in South America (Brazilian states are abbreviated as follow: AM, Amazonas; MT, Mato Grosso; PA, Pará; RO, Rondônia).
FIGURE 3. Fredius avilai n in A new species of the genus Fredius Pretzmann, 1967 (Decapoda: Brachyura Pseudothelphusidae) from Brazil, with comments on the southerly distribution of the family
FIGURE 3. Fredius avilai n. sp., male (cw 31.54, cl 21.13), holotype, left first gonopod, MZUSP 41125. A, Whole organ, mesoabdominal view; B, distal part, abdominal view; C, distal part, lateroabdominal view; D, distal part, lateral view; E, distal part, sternal view; F, distal part, mesosternal view; G, distal part, mesial view. Abbreviations: al, auxiliary lobe; cl, cephalic lobe; cs, cephalic spine; fas, field of apical spines; ls, lateral suture; ml, mesial lobe; mp, marginal process; ms, marginal suture; sb, subapical bulge; ss, subapical patch of spinules. Scale bars: 1 mm.
FIGURE 2. Fredius avilai n in A new species of the genus Fredius Pretzmann, 1967 (Decapoda: Brachyura Pseudothelphusidae) from Brazil, with comments on the southerly distribution of the family
FIGURE 2. Fredius avilai n. sp., male (cw 31.54, cl 21.13), holotype, right first gonopod, MZUSP 41125. A, Sternal view; B, lateral view; C, abdominal view; D, mesial view. Scale bars: 1 mm.
FIGURE 1. Fredius avilai n in A new species of the genus Fredius Pretzmann, 1967 (Decapoda: Brachyura Pseudothelphusidae) from Brazil, with comments on the southerly distribution of the family
FIGURE 1. Fredius avilai n. sp., male (cw 31.54 mm, cl 21.13 mm), holotype, MZUSP 41125. A, Habitus, dorsal view; B, habitus, ventral view; C, cephalothorax, frontal view, D, right cheliped, lateral view; F, left cheliped, lateral view. Scale bars: 10 mm.
FIGURE 2 A–C. Melothelphusa apiaka n in A new genus of freshwater crab of the tribe Kingsleyini Bott, 1970 (Crustacea: Decapoda: Brachyura: Pseudothelphusidae) with description of a new species from Mato Grosso, Brazil
FIGURE 2 A–C. Melothelphusa apiaka n. sp., male holotype, cl 18.8 mm, cw 27.8 mm (MZUSP 32914). Left first gonopod: A, abdominal view; B, lateral view; C, sternal view. Abbreviations: ap, apical plate; apa, abdominal process of apical plate; al, abdominal lobe; fas, field of apical spines; mp, marginal process; mep, mesial process; ml, marginal lobe; ms, marginal suture; oc, opening of spermatic channel; sap, subapical process. Scale bar 1 mm.
FIGURE 1 A–E. Melothelphusa apiaka n in A new genus of freshwater crab of the tribe Kingsleyini Bott, 1970 (Crustacea: Decapoda: Brachyura: Pseudothelphusidae) with description of a new species from Mato Grosso, Brazil
FIGURE 1 A–E. Melothelphusa apiaka n. sp., male holotype, cl 18.8 mm, cw 27.8 mm (MZUSP 32914). A, habitus, dorsal view. B, cephalothorax, ventral view. C, cephalothorax, frontal view. D, E, lateral view of right and left chelipeds, respectively. Abbreviations: CxP4, coxa of pereopod 4; G1, gonopod 1; G2, gonopod 2; St4–8, thoracic sternites 4 to 8. Scale bars A–E, 10 mm.
FIGURE 3 A–D. Melothelphusa apiaka n in A new genus of freshwater crab of the tribe Kingsleyini Bott, 1970 (Crustacea: Decapoda: Brachyura: Pseudothelphusidae) with description of a new species from Mato Grosso, Brazil
FIGURE 3 A–D. Melothelphusa apiaka n. sp., male holotype, cl 18.8 mm, cw 27.8 mm (MZUSP 32914). Left first gonopod: A, abdominal view. B, lateral view. C, sternal view. D, mesial view. Scale bar 1 mm.
FIGURES 9–11 in A new species of freshwater crab of the genus Microthelphusa (Brachyura: Pseudothelphusidae) from a remote isolated cloud forest on a tabletop mountain in western Guyana, South America
FIGURES 9–11. Microthelphusa meansi new species. Male holotype, cw 22.5 mm, from the Wokomung Massif, Guyana, USNM 1098373, left first gonopod. 9, caudal view; 10, lateral view; 11, cephalic view. Scale = 3.0 mm.
FIGURES 1–8 in A new species of freshwater crab of the genus Microthelphusa (Brachyura: Pseudothelphusidae) from a remote isolated cloud forest on a tabletop mountain in western Guyana, South America
FIGURES 1–8. Microthelphusa meansi new species. Male holotype, cw 22.5 mm, from the Wokomung Massif, Guyana, USNM 1098372. 1, carapace, dorsal view; 2, cephalothorax, frontal view; 3, right cheliped, frontal view; 4, left cheliped, frontal view; 5, carpus and merus of right cheliped, dorsal view; 6, carpus and merus of right cheliped, inferior view; 7, left third maxilliped; 8, sternum. Scale = 3.2 mm (1, 2), 3.5 mm (3–8).
FIGURE 3 in The status of Kunziana Pretzmann, 1971 (Crustacea: Decapoda: Pseudothelphusidae), with a redescription of the holotype of K. irengis Pretzmann, 1971
FIGURE 3. Collection locality of the male specimen (INPA 1677) of Kunziana irengis (Pretzmann, 1971), from a mountain stream on the southern slopes of Mt. Kopinang, Guyana.
FIGURE 2 in The status of Kunziana Pretzmann, 1971 (Crustacea: Decapoda: Pseudothelphusidae), with a redescription of the holotype of K. irengis Pretzmann, 1971
FIGURE 2. Comparative morphology of the male first gonopods, distal part. Kingsleya latifrons, INPA 389: A, caudal view; B, mesial view; C, lateral view. Kunziana irengis, holotype, NHM 1905:11:2:4/13: D, caudal view; E, mesial view; F, basalcephalic view; G, basal view. Abbreviations: ap = field of apical spines; dl = distal lobe of apical plate; ma = marginal process; mp = mesial process; mpe = distal enlargement of the mesial process; mps = spine of the mesial process; pr = proximal lobe of apical plate; sr = separation region between mesial process and apical plate; dotted lines indicate torsion of the structure. Scale bars = 1 mm (A–C); no scale indication for D–G.
FIGURE 1 in The status of Kunziana Pretzmann, 1971 (Crustacea: Decapoda: Pseudothelphusidae), with a redescription of the holotype of K. irengis Pretzmann, 1971
FIGURE 1. Kunziana irengis (Preztmann, 1971), holotype male, NHM 1905:11:2:4/13: A, outline of the carapace, right half; B, left third maxilliped; C, left efferent branchial channel; D, telson; left male first gonopod, E, distal part, basalcephalic view; F, whole limb, mesial view; G, distal part, laterocephalic view; H, distal part, basal view; I, whole limb, caudal. Abbreviations: ap = field of apical spines; dl = distal lobe of apical plate; ma = marginal process; mp = mesial process; mpe = distal enlargement of the mesial process; pr = proximal lobe of apical plate; sr = separation region between mesial process and apical plate. Scale bars = 5 mm (A), 1 mm (B–I).
FIGURE 4 in The status of Kunziana Pretzmann, 1971 (Crustacea: Decapoda: Pseudothelphusidae), with a redescription of the holotype of K. irengis Pretzmann, 1971
FIGURE 4. Collection locality of the female specimens (INPA 1678) of Kunziana irengis (Pretzmann, 1971, from a first-order creek on the southern flank of Mt. Kopinang, Guyana.
FIGURE 2 in A new species of freshwater crab of the genus Neostrengeria Pretzmann, 1965, from Colombia (Crustacea: Decapoda: Pseudothelphusidae)
FIGURE 2. Neostrengeria alexae new species, holotype male, ICN-MHN-CR 2568. A, left first gonopod, caudal view; B, same, mesial view; C, same, lateral view; D, same, cephalic view; E, same, apex distal view. 1, lateral lobe; 2, accessory lobe; 3, mesial lobe; 4, cephalic spine; 5, meso-caudal projection of spermatic channel.
FIGURE 1 in A new species of freshwater crab of the genus Neostrengeria Pretzmann, 1965, from Colombia (Crustacea: Decapoda: Pseudothelphusidae)
FIGURE 1. Neostrengeria alexae new species, holotype male, ICN-MHN-CR 2568. A, habitus; B, frontal view of carapace; C, large cheliped, external view; D, left third maxilliped, external view; E, left efferent branchial channel, external view.
FIGURE 4 in A new species of freshwater crab of the genus Allacanthos Smalley, 1964 (Crustacea, Decapoda, Pseudothelphusidae) from southern Costa Rica, Central America
FIGURE 4. Collection site of the holotype of Allacanthos yawi n. sp., from an unnamed forest stream tributary of Río Cañas, near Santa María, Puntarenas Province, Costa Rica.
FIGURE 1. Allacanthos yawi n in A new species of freshwater crab of the genus Allacanthos Smalley, 1964 (Crustacea, Decapoda, Pseudothelphusidae) from southern Costa Rica, Central America
FIGURE 1. Allacanthos yawi n. sp. A, Holotype male, UCR-MZ 2774-01, preserved in alcohol 70%, dorsal view; B, idem, ventral view; C, UCR-MZ 2777-01, photograph of a live specimen, male, dorsal view; D, idem, male, ventral view; E, idem, female, dorsal view; F, idem, female, ventral view. Scale bars = 10 mm.
FIGURE 2. Allacanthos yawi n in A new species of freshwater crab of the genus Allacanthos Smalley, 1964 (Crustacea, Decapoda, Pseudothelphusidae) from southern Costa Rica, Central America
FIGURE 2. Allacanthos yawi n. sp., holotype male, UCR-MZ 2774-01. A, left male first gonopod, whole limb, mesial view; B, idem, whole limb, laterocephalic view; C, idem, distal part, mesioapical view; D, idem, distal part, lateral view; E, left third maxilliped; F, left efferent branchial channel. Abbreviations: ap = field of apical spines; cl = cephalic lobe; cp = central papilla; lb = lateral lobe; ls = lateral suture; mas = marginal setae; mes = mesial setae; mp = marginal process; ms = marginal suture; plb = proximal lobe; sfs = subdistal field of spines. Scale bars = 1 mm.
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