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113 results for “Megacalanidae”
FIGURE 67. Bathycalanus tumidus n in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 67. Bathycalanus tumidus n. sp. female: A, dorsal view; B, dorsal view of anterior head; C, lateral view of anterior head; D, dorsal view of urosome; E, lateral view of genital double-somite; F, antennule; G, posterior view of leg 1. Scale bar represents 1.0 mm on all figures. Illustrated specimen from Antipode IV, Stn 52D.
FIGURE 113 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 113. Reconstructed phylogeny trees of the Megacalanidae and out-groups, showing the topology (upper panel) and branch lengths (lower panel) corresponding to the ML analysis. Numbers at nodes indicate statistical support under ML/ Bayesian/MP/NJ (bootstrap recovery when> 50%; Bayesian Posterior Probability when> 0.8). On the lower panel, ML distances are showed for branches within node "A", comprising the Megacalanidae. Each colour represents a different genus. All genera are recovered as monophyletic, and relationships between genera resemble the morphology-based phylogeny. ML = maximum likelihood; MP = maximum parsimony; NJ = neighbour joining.
FIGURE 112 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 112. Strict consensus (A), 50% majority-rule (B) trees, of 84 trees, length 102, consistency index (CI) = 0.75, retention index (RI) = 0.90. After one round of successive reweighting (50% majority rule of 12 trees), the topology of tree 1 is same as unweighted 50% majority rule tree (B). The trees are rooted to the outgroup Calanus helgolandicus. Clade number above the line and bootstrap support below.
FIGURE 109 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 109. Elenacalanus inflatus (Björnberg, 1968) female: A, antennule, ancestral segments I–XIV; B, antennule, ancestral segments XV–XVIII; C, antennule, ancestral segments I–IV, dorsal view; D, antenna. Scale bars represent 1.0 mm on figures A–C; 0.1 mm on remaining figure. Illustrated specimen is from Natural History Museum, London, 1993.876, Discovery Stn 7406, 990–1250 m.
FIGURE 108 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 108. Elenacalanus inflatus (Björnberg, 1968) female: A, dorsal view; B, dorsolateral view; C, rostrum; D, urosome, lateral view; E, right caudal ramus, dorsoposterior view; F, leg 1. Scale bars represent 1.0 mm on figures A, B, D, F; 0.1 mm on remaining figures. Illustrated specimen is from Natural History Museum, London, 1993.876, Discovery Stn 7406, 990–1250 m.
FIGURE 111 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 111. Elenacalanus inflatus (Björnberg, 1968) female: A, maxilliped; B, detail of small seta on syncoxal endite 2 of maxilliped; C, detail of terminal seta on endopod segment 6 showing long fine setules along concave border; D, leg 2; E, leg 3; F, leg 4; G, leg 5. Scale bars represent 1.0 mm on figures A, C–F; 0.1 mm on remaining figure. Illustrated specimen is from Natural History Museum, London, 1993.876, Discovery Stn 7406, 990–1250 m.
FIGURE 95 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 95. Elenacalanus eltaninae (Björnberg, 1968) female: A, lateral view (note damage to dorsal surface of posterior head); B, dorsal view of anterior head; C, dorsal view of urosome; D, lateral view of anterior head; E, antenna; F, maxilliped; G, detail of terminal part of maxilliped; H, posterior view of leg 1. Scale bars represent 1.0 mm on figures A–F, H; 0.1 mm on remaining figure. Illustrated specimens from MV73-1, Stn 53 (A); from Francis Drake III, Stn 2 (B–H).
FIGURE 101. Elenacalanus tageae n in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 101. Elenacalanus tageae n. sp. female: A, dorsal view; B, lateral view; C, lateral view of rostrum; D, left antennule; E, posterior view of leg 1. Scale bar represents 1.0 mm on all figures. Illustrated specimen is from Antipode IV, Stn 53A, 0–2000 m.
FIGURE 102. Elenacalanus tageae n in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 102. Elenacalanus tageae n. sp. female: A, antennule ancestral segments I–XII (hs = hair sensillum, mc = macula cribrosa); B, antennule segments XIII–XVI; C, antennule segments XVII–XX; D, antenna; E, mandibular palp; F, distal part of mandibular gnathobase; G, maxillule. Scales bars represent 1.0 mm on figures A–E; 0.1 mm on remaining figures. Illustrated specimen is from Antipode IV, Stn 53A, 0–2000 m.
FIGURE 88 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 88. Elenacalanus princeps (Brady, 1883) female antennule ancestral segments: A, segments I–XI; B, segments XII–XVI; C, segments XVII–XIX; D, segments XX–XXIII; E, segments XXIV–XXVIII; F, detail of segment XXVIII; G, ancestral segments I–V dorsal surface showing distribution of hair sensilla (hs) and maculae cribrosae (mc). Scale bars represent 1.0 mm on figures A–E; 0.1 mm on remaining figure. Illustrated specimen from Francis Drake III, Stn 2.
FIGURE 105. Elenacalanus tageae n in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 105. Elenacalanus tageae n. sp. male: A, antenna; B, mandible; C, dorsal part of mandibular gnathobase; D, maxillule; E, coxal epipodite of maxillule. Scale bars represent 0.1 mm on all figures. Illustrated specimen from Antipode IV, Stn 55D.
FIGURE 94 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 94. Distribution of Elenacalanus nom. nov. species: filled triangle = Elenacalanus princeps; open trangle = E. eltaninae; open square = E. tageae n. sp.; filled square = E. sverdrupi; open circle = E. inflatus.
FIGURE 92 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 92. Elenacalanus princeps (Brady, 1883) male: Left antennule ancestral segments: A, segments I–XIV; B, segments XV–XX; C, XXI–XXIV. Right antennule: D, segments I–XII (arrow indicates clavate seta); E, XIII–XIX; F, segments XX–XXVIII; G, detail of segment XXVIII; H, clavate seta on segment XI. Scale bars represent 1.0 mm on figures A–F; 0.1 mm on remaining figures. Illustrated specimen from 57.7o S, 138.1o W, USNM299526.
FIGURE 85 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 85. Bathycalanus unicornis Björnberg, 1968 male: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, ancestral segments XVIII–XXIII of right antennule; E, posterior view of leg 5; F, inner distal corner modified seta of right exopod segment 2 of leg 5; G, inner distal specialised seta of left exopod segment 2 of leg 5. Scale bars represent 1.0 mm on figures A, B, E; 0.1 mm on remaining figures. Illustrated specimen from MV73-1, Stn 53.
FIGURE 84 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 84. Bathycalanus unicornis Björnberg, 1968 female: A, posterior view of leg 2; B, anterior view of leg 3; C, anterior view of leg 4; D, anterior view of leg 5. Scale bar represents 1.0 mm on all figures. Illustrated specimen from MV73-1, Stn 53.
FIGURE 77. Bathycalanus bucklinae n in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 77. Bathycalanus bucklinae n. sp. female: A, dorsal view; B, lateral view; C, lateral view of anterior head; D, right lappet of pedigerous somite 5; E, left lappet of pedigerous somite 5; F, anterior view of leg 1. Scale bars represent 1.0 mm on all figures. Illustrated specimen from ANTXXIV/1, Stn 8, 2062–2990 m.
FIGURE 99 in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 99. Elenacalanus eltaninae (Björnberg, 1968) male right antennule: A, ancestral segments I–XII (hs = hair sensillum, mc = macula cribrosa); B, segments XIII–XVII; C, segments XVIII–XX; D, segments XXI–XXVI. Left antennule: E, segments XXV–XXVIII. Illustrated specimen is holotype USNM122568. Scale bar represents 1.0 mm on all figures.
FIGURE 74. Bathycalanus pustulosus n in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 74. Bathycalanus pustulosus n. sp. female: A, dorsal view; B, lateral left view; C, lateral view of anterior head; D, right lateral view of posterior lappet of pedigerous somite 5; E, detail of lateral left posterior lappet of pedigerous somite 5; F, dorsal view of caudal ramus; G, anterior view of leg 1. Scale bars represents 1.0 mm on figures A, B, D, E, G; 0.1 mm on remaining figures. Illustrated specimen from MV66-11, Stn 5.
FIGURE 73. Bathycalanus adornatus n in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 73. Bathycalanus adornatus n. sp. female: A, antenna; B, mandibular palp; C, mandibular gnathobase; D, anterior view of maxillule; E, posterior view of praecoxal arthrite of maxillule to show 2 posterior surface setae; F, maxilla; G, inner view of distal part of maxilla; H, outer view of endopod of maxilla; I, maxilliped. Scale bar represents 1.0 mm on figures F, I; 0.1mm on remaining figures. Illustrated specimen from ANTXXIV/1, Stn 8, 3992–4390 m.
FIGURE 72. Bathycalanus adornatus n in Revision of Family Megacalanidae (Copepoda: Calanoida)
FIGURE 72. Bathycalanus adornatus n. sp. female antennule ancestral segments: A, segments I–IX; B, segments X–XV; D, segments XVI–XIX. Legs, anterior view: D, leg 2; E, leg 3; F, leg 4; G, leg 5. Scale bar represents 1.0 mm on all figures. Illustrated specimen from ANTXXIV/1, Stn 8, 3992–4390 m.
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