Copepods

Quillfish, Philichthys goodei Bean. Unalaska.

Pionodesmotes phormosomae, d'apres Bonnier (Princesse-Alice).

Calocalanus pavo, one of the Free-swimming copepoda of the Plankton.

Calocalanus plumulosus Claus; female, dorsal aspect.

Figure 10.Phyllognathopus inexspectatus sp. n. (♀). A habitus, dorsal view B abdomen, ventral view C caudal ramus, ventral view (scale bars in μm).

Figure 1. Enterognathus inabai sp. n. holotype female: A Habitus, dorsal view B Rostrum, dorsal view C Genital opening, right, dorsal view D Caudal ramus, left, dorsal view E Antennule F Antenna G Mandible H Labrum and paragnath, ventral view I Maxillule J Other maxillule K Maxilla. Scales in mm.

Figure 1.Caligus evelynae sp.n., adult female from Venezuela: A habitus, dorsal view B sternal furca, ventral view C antennule D antenna E postantennal process (b) and maxillule (a) F maxilla G detail of calamus and canna H maxilliped I genital complex and abdomen, ventral view. Scale bars: A, I=0.5 mm, B–F, H =0.1 mm, G=0.05 mm.

Figure 2.Nitocra taylori sp. n. Female. A habitus B rostrum, dorsal C urosome, dorsal. Scale bar: A=300 µm; B=75 µm; C=150 µm.

Figure 1.Diacyclops ishidai sp. n., holotype female: A habitus, dorsal view B urosome, ventral view C antennula, dorsal view D antenna, dorsal 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 1.Metacyclops deserticus sp. n., female holotype from Coahuila, Mexico. A habitus, dorsal view B urosome, ventral view C antennule D antenna E mandible F maxillule G maxilla H maxilliped I anal operculum. Scales bars A–B= 100µm; C–I= 50 µm.

Figure 2.Peltidium nayarit sp. n., from Playa Careyeros, Nayarit, Mexican Pacific. A adult female, habitus, dorsal view, showing detail of ornamentation of epimeral processes of cephalothorax B antennule C antenna D mandible E maxillule F maxilla. Scales bars: A= 250 μm, B–F=100 μm.

Figures 1–3.Clausidium rodriguesi sp. n. Female: 1 habitus, dorsal 2 urosome, dorsal 3 urosome lacking somite bearing P5, ventral. Scale bars: 1 = 100 μm; 2, 3 = 50 μm.

Figure 2.Macandrewella cochinensis female from the northern Red Sea. A habitus, dorsal view B rostrum, lateral view C rostrum, ventral view D posterior prosome and urosome, dorsal view E urosome, ventral view F genital double-somite with spermatophore, lateral view (right) G genital double-somite, lateral view (right) H–I antennules. All scale bars in mm.

Figure 1.Nitokra affinis colombiensis ssp. n., from northern Colombia. A adult female, habitus, lateral view B adult male, habitus, lateral view C female, anal somite showing ornamentation of anal operculum D male, urosome, ventral view E male, third urosomite, ventral view F male, caudal rami, ventral view. Scale bars: A, B = 100 μm, C, E, F = 10 μm, D = 50 μm.

Figure 1.Pentacletopsyllus montagni gen. et sp. n. female: A habitus, dorsal B habitus, lateral C cephalothorax, lateral D tooth-like process of cephalothorax lateral anterior margin E rostrum, dorsal F caudal ramus, dorsal.

Figure 1.Stenhelia pubescens Chislenko, 1978, scanning electron micrographs, female 1: A habitus, lateral B cephalothorax, lateral C free thoracic somites, lateral D fifth pedigerous somite and genital double-somite, lateral, with one spermatophore attached on ventral side E fourth and fifth urosomites, lateral F anal somite and caudal rami, lateral G first legs and proximal part of second and third legs, lateral H distal part of right antennula, dorsal.

Figure 2.Mesocletodes elmari sp. n., adult female, paratype 2. CLSM photograph of a Congo-red stained specimen, lateral view. Scale bar: 100 µm

Cyclops albidus, a species of Copepod founr in fresh water. Female specimen carrying a pair of egg-packets. Actual length is about one tenth of an inch

Diaptomus caeruleus, Female.

Calocalanus pavo Dana; femal, dorsal aspect.

Figure 11.Phyllognathopus inexspectatus sp. n. (♀) A urosome, dorsal view B antennule C antenna (scale bars in μm).

Figure 2. Enterognathus inabai sp. n. holotype female: A Leg 1, posterior view B Leg 1 excluding coxa (more or less flattened), posterior view C Leg 2, posterior view D Leg 2 excluding coxa, anterior view E Leg 3, posterior view F Leg 3 excluding coxa, anterior view G Leg 4, posterior view H Leg 4 excluding coxa and second endopodal segment, anterior view. Scales in mm.

Figure 2.Caligus evelynae sp.n., adult female from Venezuela: A first leg B detail of distal elements of first leg C second leg D detail of exopodal segments of second leg E third leg F fourth leg G detail of terminal elements of fourth leg H fifth leg I caudal ramus, dorsal. Scale bars: A,C, F, E=0.1 mm, B, D, G, H, I=0.025 mm.

Figure 3.Nitocra taylori sp. n. Female. A anal somite and caudal rami, dorsal B urosome, ventral, showing P5 C left caudal ramus, ventral D P6 and genital complex. Scale bar: A=44 µm; B=100 µm; C=50 µm; D=71 µm.