Copepods

Figure 2.Diacyclops ishidai sp. n., holotype female: A urosome, dorsal view B urosome, lateral view C labrum, anterior view D mandibula, anterior view E maxillula, posterior view (palp armature omitted) F maxillular palp, anterior view G maxilla, posterior view H maxilliped, anterior 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.

Figure 5.Metacyclops deserticus sp. n., SEM-processed female from Coahuila, México. A leg 1 B endopodite 2 leg 4 C leg 5 D leg 6 E genital double somite, ventral view F caudal ramus, ventral.

Figure 3.Peltidium nayarit sp. n., adult female from Playa Careyeros, Nayarit, Mexican Pacific. A maxilliped B urosome showing anal somite and caudal rami, ventral view C right caudal ramus, ventral view showing setation following nomenclature by Huys et al. (1996) D leg 1 E leg 5 showing setal nomenclature of exopodal setae following Wells (2007). Scales bars: A, D, E=100 μm, B= 50 μm, C=20 μm.

Figures 21–24.Clausidium rodriguesi sp. n. Male: 21 urosome lacking somite bearing P5, dorsal 22 urosome, ventral 23 caudal ramus, dorsal 24 antenna. Scale bars: 21–23 = 20 μm; 24 = 25 μm.

Figure 7.SEM micrographs of Macandrewella cochinensis male from the northern Red Sea. A genital somite, dorsal view B distal part of leg 5.

Figure 3.Nitokra affinis colombiensis ssp. n., adult female from northern Colombia. A antennule B antenna C mandible blade D mandibular palp E maxillule F maxilla G maxilliped H rostrum with rostral process. Scale bars: A–G = 50 μm, H = 10 μm.

Figure 2.Pentacletopsyllus montagni gen. et sp. n. female: A antennule, dorsal B antenna, dorsal C labrum, posterior D mandible E maxillule (inset showing armature on coxa) F maxilla (inset showing armature on middle endite) G maxilliped.

Figure 2.Stenhelia pubescens Chislenko, 1978, scanning electron micrographs, ovigerous female 2: A habitus, ventral B rostrum and left antennula, ventral C mouth appendages, ventral D first leg, anterior E second, third, and fourth legs, anterior F exopod of fifth leg and sixth leg, ventral G anal somite and caudal rami, ventral H posterior part of left caudal ramus, ventral.

Figure 14.Mesocletodes elmari sp. n. A CIV male paratype 5, A1 dorsal view B CIII paratype 6, P1 C CIII paratype 6, P2, outer basal seta supplemented according to counterpart D CIII paratype 6, P3 E CIII paratype 6, P4 F CIII paratype 6, A1. Missing setae indicated by arrows. Scale bars: 50 µm.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Cyclops.

Stages of development of Lernaea branchialis. A, Nauplius, just hatched; B, young female taken from gills of flounder; C, free-swimming stage of female, after leaving flounder; D, free-swimming male; E, female just after settling on gills of whiting; F, fully-developed female

Figure 12.Phyllognathopus inexspectatus sp. n. (♀). A mandible B maxillule C maxilla D maxilliped E P1 (scale bars in μm).

Figure 3.Caligus evelynae sp.n., adult male from Venezuela: A habitus, dorsal view B antenna C detail of distal part of antenna D sternal furca, ventral view E postantennal process and maxillule F maxilla G detail of calamus and canna H maxilliped I fourth leg, detail of distal elements J fifth and sixth legs K first leg, distal segment of exopod. Scale bars: A=0.5 mm, B,D–F, H=0.1 mm, C, G, I, J=0.03 mm; K=0.07 mm.

Figure 4.Nitocra taylori sp. n. Female. A antenna B mandible C maxillule D P1, anterior E intercoxal sclerite of P1, anterior. Scale bar: A–E=50 µm.

Figure 3.Diacyclops ishidai sp. n., A–E holotype female F paratype female A first swimming leg, anterior view B second swimming leg, anterior view C endopod of third swimming leg, anterior view D fourth swimming leg, anterior view E fifth leg, anterior view F genital double-somite, 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 bars 100 μm.

Figure 4.Peltidium nayarit sp. n., adult female from Playa Careyeros, Nayarit, Mexican Pacific. A leg 2 B leg 3 C leg 4. Scales bars: A–C=100 μm.

Figures 25–29.Clausidium rodriguesi sp. n. Male: 25 mandible 26 mandible, detail, ventral 27 mandible, detail, dorsal 28 P1, anterior 29 P2, anterior. Scale bars: 25–27 = 10 μm; 28, 29 = 20 μm.

Figure 3.SEM micrographs of Macandrewella cochinensis female from the northern Red Sea. A rostrum and cuticular lens indicated by arrow, ventral view B serration of postero-dorsolateral process of prosomal end indicated by arrow, lateral view C urosome, anterodorsal protrusions and posterodorsal swelling on left side indicated by arrows, dorsal view D urosome, posterodorsal swelling on left side indicated by arrow, lateral view (left) E maxillary endopod F leg 5 indicated by arrow.

Figure 2.Nitokra affinis colombiensis ssp. n., from northern Colombia. A female, urosome, ventral view showing genital field and P6 B same, dorsal view, showing genital field and sixth leg plate, arrowed C male, urosome, lateral view showing P5 and P6 plate D same, ventral view E male, detail of ornamentation of anal operculum. Scale bars: A–D = 100 μm, E = 10 μm.

Figure 3.Pentacletopsyllus montagni gen. et sp. n. female: A P1, anterior B P2, anterior C P3, anterior.

Figure 3.Stenhelia pubescens Chislenko, 1978, line drawings, female 3: A urosome, dorsal B urosome, ventral (armature on left caudal ramus omitted) C rostrum, dissected and compressed, dorsal D sixth leg, dorso-lateral E sixth leg, ventro-lateral F fifth leg second endopodal seta from inner side, anterior.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Figure 13.Phyllognathopus inexspectatus sp. n. (♀). A P2 B P3 C P4 D P5 E P6 (scale bars in μm).