Copepods

Figure 5.Nitocra taylori sp. n. Female. A antennule B P2, anterior. Scale bar: A=70 µm; B=100 µm.

Figure 4.Diacyclops ishidai sp. n., allotype male: A habitus, dorsal view B antennula, flattened and slightly uncoiled, ventral view C middle part of antennula, flattened and uncoiled, dorsal view D third endopodal segment of fourth swimming leg, anterior view E fifth leg, anterior view F sixth leg, ventro-lateral view. Arabic numerals numbering sensilla and pores consecutively from anterior to posterior end of body, and from dorsal to ventral side (excluding appendages). Scale bars 100 μm.

Figures 4–6.Clausidium rodriguesi sp. n. Female: 4 caudal rami, dorsal 5 caudal rami, ventral 6 antennule (arrow head indicating bipinnate seta). Scale bar = 50 μm.

Figure 4.Macandrewella cochinensis female from the northern Red Sea. A antenna B mandibular gnathobase cutting edge C mandibular palp D maxillule E maxilla F maxilla endopod G maxilliped. All scale bars in mm.

Figure 4.Nitokra affinis colombiensis ssp. n., adult female from northern Colombia. A first swimming leg (P1) B second swimming leg (P2) C third swimming leg (P3) D fourth swimming leg (P4) showing modified pectinate element (arrowed). Scale bars: A–D= 50 μm.

Figure 4.Pentacletopsyllus montagni gen. et sp. n. female: A P4, anterior B P5, anterior C genital field, ventral D anal somite, ventral.

Figure 4.Stenhelia pubescens Chislenko, 1978, line drawings, female 3: A mandibula, posterior B mandibular coxa, anterior C maxillula, praecoxa arthrite, posterior D maxilular palp, posterior E maxilla, anterior F maxilliped, anterior.

Figure 6.Nitocra taylori sp. n. Female. A maxilla B maxilliped C P3, anterior. Scale bar: A, B=70 µm; C=100 µm.

Figure 5.Diacyclops ishidai sp. n., allotype male: A urosome, dorsal view B urosome, lateral view C urosome, ventral view. Arabic numerals numbering sensilla and pores consecutively from anterior to posterior end of body, and from dorsal to ventral side (excluding appendages). Scale bar 100 μm.

Figures 7–13.Clausidium rodriguesi sp. n. Female: 7 antenna 8 labrum 9 mandible 10 Detail of mandible tooth 11 maxillule 12 maxilla 13 maxilliped. Scale bars: 7 = 50 μm; 8 = 10 μm; 9, 10 = 25 μm; 11–13 = 20 μm.

Figure 5.Macandrewella cochinensis female from the northern Red Sea. A Leg 1, anterior surface B medial margin of first and second exopodal segments of Leg 1 C lateral distal margin of leg 1 endopod D leg 2, posterior surface E Leg 3, posterior surface F leg 4, posterior surface G–H second and third exopodal segments of leg 4, anterior surface I leg 5, anterior surface. All scale bars in mm.

Figure 6.Nitokra affinis colombiensis ssp. n. from northern Colombia. Adult female: A fifth leg B sixth leg. Male: C fifth leg D sixth leg. Scale bars: A, C = 50 μm; B, D = 10 μm.

Figure 5.Pentacletopsyllus montagni gen. et sp. n. male: A habitus, dorsal B rostrum, dorsal C Urosome (excluding P5-bearing somite), ventral D anal somite and left caudal rami, lateral.

Figure 5.Stenhelia pubescens Chislenko, 1978, line drawings, female 3: A antennula, ventral B basis, endopod, and first exopodal segment of antenna, anterior C antennal exopod, anterior D first leg, anterior. Arrowhead indicates the presence of caudal suture on the fourth antennular segment.

Figure 7.Nitocra taylori sp. n. Female. A P4, anterior B P5, anterior. Scale bar: A, B=100 µm.

Figure 6.Diacyclops ishidai sp. n., allotype male: A cephalothorax, dorsal view B cephalothoracic shield and pleurons of free prosomites, lateral view. Arabic numerals numbering sensilla and pores consecutively from anterior to posterior end of body, and from dorsal to ventral side (excluding appendages). Scale bar 100 μm.

Figures 18–20.Clausidium rodriguesi sp. n. Female: 18 P4, anterior 19 P5, anterior. Male: 20 habitus, dorsal. Scale bars: 18 = 20 μm; 19 = 50 μm; 20 = 100 μm.

Figure 6.Macandrewella cochinensis male from the northern Red Sea. A habitus, dorsal view B habitus, lateral view C urosome, dorsal view D first and second urosomal segment, lateral view (right) E left antennule F maxilliped, terminal endopod segments G Exopod segment 3 of leg 2 H left leg 5 I terminal portion of left exopodal of leg 5 J terminal portion of left endopod of leg 5 K right leg 5. All scale bars in mm.

Figure 5.Nitokra affinis colombiensis ssp. n., adult male from northern Colombia. A first swimming leg (P1) B modified inner basipodal spine of P1 C second swimming leg (P2) D third swimming leg (P3) E fourth swimming leg (P4). Scale bars: A, C–E = 50 μm, B = 10 μm.

Figure 6.Pentacletopsyllus montagni gen. et sp. n. male: A antennule, ventral B third segment of antennule, anterior C fourth segment of antennule, anterior D fifth segment of antennule, anterior E P4, anterior F P4 endopod 3 (arrow indicating reduced outer seta), anterior G P5, anterior.

Figure 6.Stenhelia pubescens Chislenko, 1978, line drawings, female 3: A second leg, anterior B third leg, anterior.

Figure 8.Nitocra taylori sp. n. Male. Urosome, ventral (P5- and P6-bearing somites omitted). Scale bar: 100 µm.

Figure 26.Scanning electron micrographs, A–C Diacyclops ishidai sp. n. D–E Diacyclops parasuoensis sp. n. F Diacyclops suoensis Ito, 1954: A anal somite and caudal rami, dorsal view, paratype female 1 B preanal and anal somites, lateral view, paratype female 2 C last two exopodal segments of second swimming legs, lateral view, paratype female 2 D anal somite and caudal rami, lateral view, paratype female E sixth leg, lateral view, paratype female F labrum and maxillulae, ventral view. Scale bars 20 μm (A, B, D, F) and 10 μm (C, E).

Figures 32–33.Clausidium rodriguesi sp. n. Female: Confocal laser scanning microscopy maximum projections33 habitus, dorsal 34 habitus, ventral. Scale bars: 100 μm.