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1,021 results for “freshwater crabs”
FIGURES 61–70 in Taxonomy of the freshwater crabs of Costa Rica, with a revision of the genus Ptychophallus Smalley, 1964 (Crustacea: Decapoda: Pseudothelphusidae)
FIGURES 61–70. Ptychophallus uncinatus Campos & Lemaitre, 1999: 61, left first gonopod, holotype, USNM 276164, caudo-mesial view; 62, same data, latero-cephalic view of distal part; 63, left first gonopod, holotype of Ptychophallus barbillaensis Rodríguez & Hedström, 2000, UCR-MZ 2351-01, caudo-mesial view. Allacanthos pittieri (Rathbun, 1898): 64, right first gonopod, holotype, USNM 21243, caudo-mesial view; 65, left first gonopod, NHMW 4016, caudo-mesial view; 66, same data, lateral view; 67, same data, cephalic view of distal part; 68, same data, apical-cephalic view of distal part. Allacanthos yawi Magalhães, Lara & Wehrtmann, 2010: 69, left first gonopod, holotype, UCR-MZ 2774-01, caudo-mesial view; 70, same data, latero-cephalic view (cl, cephalic lobe; fas, field of apical spines; lb, lateral lobe; mp, marginal process; ss, subdistal field of spines; tl, trianguliform lobe). Scale bars = 1 mm.
FIGURE 80 in Taxonomy of the freshwater crabs of Costa Rica, with a revision of the genus Ptychophallus Smalley, 1964 (Crustacea: Decapoda: Pseudothelphusidae)
FIGURE 80. Distribution map of Ptychophallus costaricensis Villalobos, 1974, and P. exilipes (Rathbun, 1898).
FIGURES 44–60 in Taxonomy of the freshwater crabs of Costa Rica, with a revision of the genus Ptychophallus Smalley, 1964 (Crustacea: Decapoda: Pseudothelphusidae)
FIGURES 44–60. Ptychophallus paraxanthusi (Bott, 1968): 44, left first gonopod, holotype, MNHN B-5328, caudo-mesial view; 45, same data, latero-cephalic view of distal part; 46, right first gonopod, holotype of Ptychophallus osaensis Rodríguez, 2001, TMNH 6271, caudo-mesial view; 47–48, outline of right first gonopod, two males from INPA 1853, caudo-mesial view; 49, same data, INPA 1657; 50, same data, INPA 1855; 51–52, outline of left first gonopod, two males from INPA 1854, caudomesial view; 53, same data, INPA 1855. Ptychophallus tumimanus (Rathbun, 1898): 54, left first gonopod, holotype, USNM 19484, latero-cephalic view of distal part; 55, same data, caudo-mesial view; 56, same data, holotype of Ptychophallus (Ptychophallus) tumimanus ingae Pretzmann, 1978, NHMW 4009, caudo-mesial view; 57, outline of left first gonopod, INPA 1832, caudo-mesial view; 58, same data, USNM 230099; 59–60, same data, two males from INPA 1835. Scale bars = 1 mm.
FIGURES 22–32 in Taxonomy of the freshwater crabs of Costa Rica, with a revision of the genus Ptychophallus Smalley, 1964 (Crustacea: Decapoda: Pseudothelphusidae)
FIGURES 22–32. Ptychophallus exilipes (Rathbun, 1898): 22, left first gonopod, USNM 39089, caudo-mesial view; 23, same data, latero-cephalic view of distal part; 24–26, outline of right first gonopod from three males of UCR-MZ 741, caudo-mesial view; 27, outline of right first gonopod, USNM 39096, caudo-mesial view; 28, same data, INPA 1857, caudo-mesial view; 29, outline of left first gonopod, SMF 36265, caudo-mesial view; 30, same data, SMF 36264, caudo-mesial view. Ptychophallus lavallensis Pretzmann, 1978: 31, left first gonopod, holotype, NHMW 4002, caudo-mesial view; 32, latero-cephalic view. Scale bars = 1 mm.
FIGURES 33–43 in Taxonomy of the freshwater crabs of Costa Rica, with a revision of the genus Ptychophallus Smalley, 1964 (Crustacea: Decapoda: Pseudothelphusidae)
FIGURES 33–43. Ptychophallus micracanthus Rodríguez, 1994: 33, left first gonopod, holotype, USNM 240106, caudomesial view; 34, same data, latero-cephalic view of distal part. Ptychophallus montanus (Rathbun, 1898): 35, left first gonopod, lectotype, USNM 19486, caudo-mesial view; 36, same data, latero-cephalic view; 37, outline of left first gonopod, INPA 1843, caudo-mesial view; 38, same data, INPA 1847, caudo-mesial view. Ptychophallus tristani (Rathbun, 1896): 39, left first gonopod (partially damaged on proximal part), holotype, USNM 19047, caudo-mesial view; 40, same data, latero-cephalic view of distal part; 41, left first gonopod, holotype of Ptychophallus (Ptychophallus) campylus Pretzmann, 1968, NHMW 21849, caudo-mesial view; 42, outline of right gonopod, INPA 1836, caudo-mesial view; 43, outline of left first gonopod, INPA 1851, caudo-mesial view. Scale bars = 1 mm.
FIGURES 10–21 in Taxonomy of the freshwater crabs of Costa Rica, with a revision of the genus Ptychophallus Smalley, 1964 (Crustacea: Decapoda: Pseudothelphusidae)
FIGURES 10–21. Ptychophallus colombianus (Rathbun 1896): 10, left first gonopod, INPA 1845, caudo-mesial view; 11, same data, latero-cephalic view of distal part; 12, outline of left first gonopod, INPA 1654, caudo-mesial view; 13, same data, INPA 1659; 14, same data, NHMW 4001. Ptychophallus costaricensis Villalobos, 1974: 15, right first gonopod, paratype, UCR-MZ 719, latero-cephalic view of distal part; 16, same data, caudo-mesial view. Ptychophallus goldmanni Pretzmann, 1965: 17, left first gonopod, holotype, USNM 54044, caudo-mesial view; 18, same data, cephalic-apical view of distal part; 19, same data, latero-cephalic view of distal part. Ptychophallus kuna Campos & Lemaitre, 1999: 20, left first gonopod, holotype, USNM 184340, latero-cephalic view of distal part; 21, same data, caudo-mesial view (dr, disto-caudal ridge; lp, lateral process; me, mesial process; mp, marginal process). Scale bars = 1 mm.
FIGURES 1–9 in Taxonomy of the freshwater crabs of Costa Rica, with a revision of the genus Ptychophallus Smalley, 1964 (Crustacea: Decapoda: Pseudothelphusidae)
FIGURES 1–9. Achlidon agrestis (Rathbun, 1898): 1, left first gonopod (partially damaged), holotype, USNM 19487, mesial view; 2, same data, lateral view of distal part; 3, left first gonopod, NHMW 21827, cephalic view of distal part; 4, same data, apical view of apex; 5, same data, latero-cephalic view. Achlidon puntarenas (Hobbs, 1991): 6, left first gonopod, holotype, USNM 250555, caudo-mesial view; 7, same data, latero-cephalic view of distal part. Ptychophallus cocleensis Pretzmann, 1965: 8, left first gonopod, holotype, USNM 119869, lateral view of distal part; 9, same data, mesial view (dr, disto-caudal ridge; fs, field of apical spines; lp, lateral process; me, mesial process; mp, marginal process; ms, marginal suture). Scale bars = 1 mm.
FIGURE 85 in Taxonomy of the freshwater crabs of Costa Rica, with a revision of the genus Ptychophallus Smalley, 1964 (Crustacea: Decapoda: Pseudothelphusidae)
FIGURE 85. Distribution map of Allacanthos pittieri (Rathbun, 1898) and A. yawi Magalhães, Lara & Wehrtmann, 2010.
FIGURE 4 in Binhthuanomon vinhtan, a new genus and new species of semi-terrestrial freshwater crab (Crustacea: Decapoda: Brachyura: Potamidae) from south central Vietnam
FIGURE 4. Binhthuanomon vinhtan sp. nov., holotype, male (CW 53.9 mm), ITB-FC PNx01. A-H, right G1: A, ventral view; B, ventral view of terminal segment; C, mesial view; D, mesial view of terminal segment; E, dorsal view; F, dorsal view of terminal segment; G, lateral view; H, lateral view of terminal segment; I, right G2; J, right G2 of terminal segment.
FIGURE 2 in Binhthuanomon vinhtan, a new genus and new species of semi-terrestrial freshwater crab (Crustacea: Decapoda: Brachyura: Potamidae) from south central Vietnam
FIGURE 2. (Continued). Binhthuanomon vinhtan sp. nov., holotype, male (CW 53.9 mm), ITB-FC PNx01. C, ventral view; D, sternoabdominal cavity showing G1s and G2s.
FIGURE 2 in Binhthuanomon vinhtan, a new genus and new species of semi-terrestrial freshwater crab (Crustacea: Decapoda: Brachyura: Potamidae) from south central Vietnam
FIGURE 2. Binhthuanomon vinhtan sp. nov., holotype, male (CW 53.9 mm), ITB-FC PNx01. A, carapace, dorsal view; B, frontal view. (Continued on the next page)
FIGURE 5. A–C. A in Binhthuanomon vinhtan, a new genus and new species of semi-terrestrial freshwater crab (Crustacea: Decapoda: Brachyura: Potamidae) from south central Vietnam
FIGURE 5. A–C. A habitat in Nui Chua, Vinh Tan commune, Tuy Phong district, Binh Thuan province, Vietnam.
FIGURE 3 in Binhthuanomon vinhtan, a new genus and new species of semi-terrestrial freshwater crab (Crustacea: Decapoda: Brachyura: Potamidae) from south central Vietnam
FIGURE 3. Binhthuanomon vinhtan sp. nov., holotype, male (CW 53.9 mm), ITB-FC PNx01. A, carapace, dorsal view; B, abdomen; C, left third maxilliped. Scale bar = 5 mm.
FIGURE 6. A–B in Binhthuanomon vinhtan, a new genus and new species of semi-terrestrial freshwater crab (Crustacea: Decapoda: Brachyura: Potamidae) from south central Vietnam
FIGURE 6. A–B. Binhthuanomon vinhtan sp. nov., staying in the hole of a habitat in Nui Chua, Vinh Tan commune, Tuy Phong district, Binh Thuan province, Vietnam.
FIGURE 3 in Aletheiana tenella, a new genus and new species of freshwater hymenosomatid crab (Crustacea: Decapoda: Brachyura) from Central Sulawesi, Indonesia
FIGURE 3. Aletheiana tenella gen. et sp. nov., A, C, E, I, J paratype female (5.3 × 4.8 mm) (ZRC 2015.278), Lake Poso, Sulawesi; B, D, F–H, holotype male (3.6 × 3.3 mm) (MZB Cru 4386), Lake Poso, Sulawesi. A, B, dorsal view of carapaces; C, frontal view of cephalothorax showing front, orbits, epistome, antennae (filiform flagellum not completely drawn) and antennules (right second article broken off); D, anterior thoracic sternum and sterno-abdominal cavity; E, left third maxilliped; F, male pleotelson; G, male abdominal somites 2–5; H, male abdominal somite 1; I, female pleotelson and fused somites 3–5; J, female somites 1, 2 and fused somites 3–5. Scales = 0.5 mm.
FIGURE 4 in Aletheiana tenella, a new genus and new species of freshwater hymenosomatid crab (Crustacea: Decapoda: Brachyura) from Central Sulawesi, Indonesia
FIGURE 4. Aletheiana tenella gen. et sp. nov., A–E, J–N, holotype male (3.6 × 3.3 mm) (MZB Cru 4386), Lake Poso, Sulawesi; F–I, paratype female (5.3 × 4.8 mm) (ZRC 2015.278), Lake Poso, Sulawesi. A, outer view of right cheliped; B, left P5; C, left P4 dactylus and propodus; D, left P3 dactylus and propodus; E, left P2 dactylus and propodus; F, right P5 dactylus; G, right P4 dactylus; H, right P3 dactylus; I, right P2 dactylus; J, left G1 (ventral view); K, distal part of left G1 (ventral view, setae not drawn); L, left G1 (dorsal view); M, left G2; N, distal part of left G2. Scales: A–I = 0.5 mm; J, L, M = 0.1 mm; K, N = 0.05 mm.
FIGURE 2 in Aletheiana tenella, a new genus and new species of freshwater hymenosomatid crab (Crustacea: Decapoda: Brachyura) from Central Sulawesi, Indonesia
FIGURE 2. Aletheiana tenella gen. et sp. nov.. A, B, paratype female (5.3 × 4.8 mm) (ZRC 2015.278); C, holotype male (3.6 × 3.3 mm) (MZB Cru 4386); both from Lake Poso, Sulawesi. A, overall habitus; B, ventral view of female thoracic sternum and abdomen; C, male anterior thoracic sternum abd sterno-abdominal cavity. Abbreviations: e = eggs; v = vulvae.
FIGURE 1 in Aletheiana tenella, a new genus and new species of freshwater hymenosomatid crab (Crustacea: Decapoda: Brachyura) from Central Sulawesi, Indonesia
FIGURE 1. Aletheiana tenella gen. et sp. nov.. A, cascades at Puawu River, central Sulawesi, B, submerged roots at the riverbank of Puawu River where the specimens were collected; C–F, colour in life.
FIGURE 3. Pseudothelphusa acahuizotla n in Three new species of freshwater crabs of the genus Pseudothelphusa (De Saussure, 1857) (Crustacea: Decapoda: Pseudothelphusidae) from Mexico
FIGURE 3. Pseudothelphusa acahuizotla n. sp., male holotype CNCR 31708, left first gonopod: A, mesial view; B, cephalic view; C, lateral view; D, caudal view; E, apical view; F, total cephalic view. Abbreviations: ac, apex cavity; cmp, caudomarginal projection; mp, mesial process; ms, marginal suture; tps, terminal pore setae.
FIGURE 7. Pseudothelphusa purhepecha n in Three new species of freshwater crabs of the genus Pseudothelphusa (De Saussure, 1857) (Crustacea: Decapoda: Pseudothelphusidae) from Mexico
FIGURE 7. Pseudothelphusa purhepecha n. sp., male holotype CNCR 31746, left first gonopod: A, mesial view; B, cephalic view; C, lateral view; D, caudal view; E, apical view; F, total cephalic view. Abbreviations: ac, apex cavity; cmp, caudomarginal projection; mp, mesial process; ms, marginal suture; osc, opening of sperm channel; tps, terminal pore setae.
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