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FIG. 4. Callochiton deshayesi Thiele, 1909 in The Polyplacophora (Mollusca) collected during the First International Marine Biodiversity Workshop for Rodrigues (western Indian Ocean), with the description of a new species

FIG. 4. Callochiton deshayesi Thiele, 1909. (A) Dorsal girdle spicules, in situ; (B) dorsal girdle, close-up of the empty cup of the ringshaft needles; (C) dorsal girdle, isolated spicule; (D) ventral girdle scales in situ; (E) radula; (F) radula, close-up of central tooth. Scale bars: 50 Mm (A, C, E); 10 Mm (B); 100 Mm (D); 20 Mm (F).

FIGS 25–30 in The marine green and brown algae of Rodrigues (Mauritius, Indian Ocean)

FIGS 25–30. Phaeophyta. (25, 26) Cladosiphon mauritianus (HEC 14789b): (25) general morphology; (26) apical branches. (27, 28) Chnoospora implexa (HEC 14674b): (27) compact form; (28) thin, slender form. (29) Hydroclathrus tenuis (HEC 14756d). (30) Asteronema breviarticulatum, rope-like appearance of intertwined filaments (HEC 14884). Scale bars: 2 cm (25); 1 cm (26–30).

FIG. 7 in The Polyplacophora (Mollusca) collected during the First International Marine Biodiversity Workshop for Rodrigues (western Indian Ocean), with the description of a new species

FIG. 7. Lucilina indica (Leloup, 1981). (A) Dorsal view of head valve; (B) dorsal view of second valve; (C) dorsal view of tail valve; (D) lateral view of tail valve; (E) close-up of postmucronal area to show the lenses of macroaesthetes; (F) radula. Scale bars: 1 mm (A–C); 500 Mm (D); 20 Mm (E); 100 Mm (F).

FIGS 7–13 in The marine green and brown algae of Rodrigues (Mauritius, Indian Ocean)

FIGS 7–13. Caulerpa brachypus, variation in the general morphology and margin structure of the assimilators. (7) Large growth form collected in grooves between bumps of coral rubble, frequently branching and with secondary stolons (HEC 14867). (8) Intermediately large growth form with wide assimilators (HEC 14769). (9) Intermediately large growth form with relatively narrow assimilators (HEC 14656a). (10) Typical specimen with simple or scarcely branched assimilators (HEC 14612). (11) Assimilator with smooth margin (HEC 14612). (12) Assimilator with coarsely dentate margin (HEC 14656a). (13) Assimilator with densely dentate margin (HEC 14718). Scale bars: 2 cm (7–10); 1 mm (11–13).

FIG. 3. Callochiton deshayesi Thiele, 1909 in The Polyplacophora (Mollusca) collected during the First International Marine Biodiversity Workshop for Rodrigues (western Indian Ocean), with the description of a new species

FIG. 3. Callochiton deshayesi Thiele, 1909. (A) Head valve, dorsal view; (B) dorsal-frontal view of the second valve; (C) second valve, close-up of pleural area along the diagonal ridge to show the sulci; (D) third valve, ventral view of the left half; (E) dorsal view of the tail valve; (F) close-up of the postmucronal area, to show the arrangement of aesthetes. Scale bars: 500 Mm (A, B, E); 100 Mm (C, D); 50 Mm (F).

FIGS 2–6 in The marine green and brown algae of Rodrigues (Mauritius, Indian Ocean)

FIGS 2–6. Chlorophyta. (2) Microdictyon tenuius, detail of branching and anastomosing patterns (HEC 14849). (3) Bryopsis pennata var. pennata, branchlets of last order contiguous and in a single plane (HEC 14796 p.p.). (4) Bryopsis pennata var. leprieurii, branchlets of last order interrupted and in a single plane (HEC 14757). (5) Bryopsis pennata var. secunda, branchlets of last order curved in one direction (HEC 14796 p.p.). (6) Chamaedoris delphinii (HEC 14617). Scale bars: 250 mm (2); 5 mm (3–5); 1 cm (6).

FIGS 2–16 in A preliminary account of the shallow-water echinoderms of Rodrigues, Mauritius, western Indian Ocean

FIGS 2–16. (2) Stephanometra indica (# RGS/Jeremy Neech). (3) Gomophia watsoni (# RGS/Jeremy Neech). (4) 'Asterina' sp. 1. (M. Richmond). (5) 'Asterina' sp. 2. (M. Richmond). (6) Ophiocoma brevipes (# RGS/Jeremy Neech). (7) Ophiocoma dentata (# RGS/Jeremy Neech). (8). Microcyphus maculatus (M. Richmond). (9) Bohadschia sp. 1 (M. Richmond). (10). Bohadschia sp. 2 (# RGS/Jeremy Neech). (11)?Bohadschia sp. 3 (# RGS/Jeremy Neech). (12) Holothuria impatiens s. s. (# RGS/Jeremy Neech). (13) Holothuria impatiens bicolor. (# RGS/Jeremy Neech). (14) Holothuria impatiens concolor. (# RGS/Jeremy Neech). (15) Psolidium ornatum (# RGS/Jeremy Neech). (16) Plesiocolochirus dispar (# RGS/Jeremy Neech).

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FIGURE 1 in A new species of deep-sea squat lobster of the genus Munida Leach, 1820 (Crustacea: Decapoda: Anomura: Munididae) from a hydrothermal field in the southwestern Indian Ocean

FIGURE 1. Munida manqingae sp. nov., holotype, ♀ (CL 6.9 mm): A, carapace and abdomen and cephalic appendages, dorsal view; B, sternal plastron; C, basal segment of right antennule, ventral view; D, right antenna, ventral view; E, left third maxilliped, lateral view; F, left second maxilliped, lateral view; G, sixth segment of abdomen, telson and uropods (setae on the right half of telson and uropods omitted), dorsal view; H, right P1, dorsal view; I, right P1, ventral view;. Scale bar: A, B, G, 1.5 mm; C–F, 0.8 mm; H, I, 2 mm.

opennotspecifiedNov 2013View details →

FIGURE 2 in A new species of deep-sea squat lobster of the genus Munida Leach, 1820 (Crustacea: Decapoda: Anomura: Munididae) from a hydrothermal field in the southwestern Indian Ocean

FIGURE 2. Munida manqingae sp. nov., holotype, ♀ (CL 6.9 mm): A, left P2, dorsal view; B, left P3, dorsal view; C, left P4, dorsal view; D, left P5, dorsal view (setae omitted); E, merus of right P1, ventral view; F, merus of right P1, dorsal view; G, merus of right P1, mesial view; H, merus of right P1, lateral view;; I, merus of right P2, dorsal view; J, dactylus of left P2, lateral view. Scale bar: A–D, 2.5 mm; E–I, 2mm; J, 1.2 mm.

opennotspecifiedSep 2011View details →

FIGURE 1. Polysteganus mascarenensis n in Polysteganus mascarenensis, a new sparid fish species from Mascarene Islands, Indian Ocean

FIGURE 1. Polysteganus mascarenensis n. sp. A), SAIAB 84109 (holotype), 600 mm SL; B) SAIAB 84095 (paratype), 574 mm SL. Both were photographed by D. Tweddle. Arrow shows the height of posterior end of upper jaw under first two infraorbitals.

FIG. 4 in A new species of Sagitta (Chaetognatha) from a Laccadive lagoon (Indian Ocean) having fan-shaped anterior teeth: phylogenetical implications

FIG. 4. SEM photographs of Sagitta nairi n. sp. (a±d) and Krohnitta subtilis (e): (a) head armature in ventral view; (b) detail of anterior teeth in ventral view; (c) teeth in lateral view; (d) hooks in dorsal view; (e) right set of teeth in ventral view. at, anterior teeth; m, mouth; pt, posterior teeth; vp, ventral plate. In (a, d) arrows indicate the point of change of the hooks, curve. Scale bars 5 10 mm.

FIG. 1 in A new species of Sagitta (Chaetognatha) from a Laccadive lagoon (Indian Ocean) having fan-shaped anterior teeth: phylogenetical implications

FIG. 1. Sampling location of Sagitta nairi n. sp.: (a) location of Agatti Atoll in the Laccadive Archipelago north of 8ssN; (b) con®guration of the atoll, with depths in metres (modi®ed from Madhupratap et al., 1991).

FIG. 3 in A new species of Sagitta (Chaetognatha) from a Laccadive lagoon (Indian Ocean) having fan-shaped anterior teeth: phylogenetical implications

FIG. 3. Light photographs of Sagitta nairi n. sp.: (a) anterior part of the body; (b, c) two aspects of head and anterior part of trunk; (d, e) diOEerent aspects of the seminal vesicles; (f) eyes. at, anterior teeth; c, collarette; id, intestinal diverticula; pf, posterior ®ns; tf, tail ®n. In (d, e) the limits of the posterior and tail ®ns are indicated by arrows.

FIG. 2 in A new species of Sagitta (Chaetognatha) from a Laccadive lagoon (Indian Ocean) having fan-shaped anterior teeth: phylogenetical implications

FIG. 2. Schematic representation of Sagitta nairi n. sp. in dorsal view. af, anterior ®ns; c, collarette; id, intestinal diverticula; o, ovaries; pf, posterior ®ns; sv, seminal vesicles; tf, tail ®n; vg, ventral ganglion.

FIG. 6 in Vestimentiferans (Pogonophora) in the PaciŽc and Indian Oceans: a new genus from Lihir Island (Papua New Guinea) and the Java Trench, with the Žrst report of Arcovestia ivanovi from the North Fiji Basin

FIG. 6. Paraescarpia echinospica gen. nov., sp. nov., scanning electron micrographs: (A) opisthosoma (#3); (B) opisthosomal chaetae; (C) symbiotic bacteria in cells of the trophosome (arrow marks cell membrane); (D) spermatozoa in genital duct (# 1).

FIG. 4 in Vestimentiferans (Pogonophora) in the PaciŽc and Indian Oceans: a new genus from Lihir Island (Papua New Guinea) and the Java Trench, with the Žrst report of Arcovestia ivanovi from the North Fiji Basin

FIG. 4. Paraescarpia echinospica gen. nov., sp. nov.: (A) dorsal view of anterior end (#1) with complete spike, obturaculum and branchial plume: (B) tranverse section of spike (#4); (C) vertical section of crust: ep, epidermis of obturaculum (#4); (D) vertical section of anterior end (#4) showing left and right halves of obturaculum and broken spike: af, anterior Žlaments; co, collar; cr, crust; ep, epidermis of obturaculum; ex, excretory duct; pf, posterior Žlaments; sp, spike. Scales: (A, B, D) 5 mm; (C) 1 mm.

FIG. 5 in Vestimentiferans (Pogonophora) in the PaciŽc and Indian Oceans: a new genus from Lihir Island (Papua New Guinea) and the Java Trench, with the Žrst report of Arcovestia ivanovi from the North Fiji Basin

FIG. 5. Paraescarpia echinospica gen. nov., sp. nov. (#1): (A, B) tips of branchial Žlaments, smooth and pinnulate, respectively; (C) ventrolateral view of anterior vestimental region, showing collar folds and narrow anterior end of ventral ciliated band; (D) ventrolateral view of posterior vestimental region, showing mid-ventral split in posterior vestimental fold and wide posterior end of ventral ciliated band; (E) cuticular plaque from vestimental region; (F) cuticular plaque from trunk. Scales: (A, B) 100 Mm; (C, D) 5 mm; (E, F) 50 Mm.

FIG. 7 in Vestimentiferans (Pogonophora) in the PaciŽc and Indian Oceans: a new genus from Lihir Island (Papua New Guinea) and the Java Trench, with the Žrst report of Arcovestia ivanovi from the North Fiji Basin

FIG. 7. Paraescarpia echinospica gen. nov., sp. nov., schematic arrangement of the organs in the anterior vestimental region, lateral view; ap, anterior process of excretory organ; apv, aOEerent plume vessel; br, brain; dbv, dorsal blood vessel; ed, excretory duct; eo, excretory organ; ep, excretory pore; epv, eOEerent plume vessel; h, heart; obv, obturacular vessel; sv, sinus valvatus; vbv, ventral blood vessel.

FIG. 3 in Vestimentiferans (Pogonophora) in the PaciŽc and Indian Oceans: a new genus from Lihir Island (Papua New Guinea) and the Java Trench, with the Žrst report of Arcovestia ivanovi from the North Fiji Basin

FIG. 3. Paraescarpia echinospica gen. nov., sp. nov.: (A) young tube (#1) without funnel or collars; (B) tube (#2) with anterior funnel, subsequent collars, narrower mid-region and start of very narrow posterior region; (C) anterior end of animal from tube D, showing short spike, obturaculum, plume, vestimental folds and anterior trunk in dorsal view; (D) anterior region of tube (#4) with wide anterior funnel and several attached cirripedes, Neolepas sp. Scales: (A, B, D) 100 mm; (C)10 mm.

FIG. 2 in Vestimentiferans (Pogonophora) in the PaciŽc and Indian Oceans: a new genus from Lihir Island (Papua New Guinea) and the Java Trench, with the Žrst report of Arcovestia ivanovi from the North Fiji Basin

FIG. 2. Two sea-oor photographs taken at 'Mussel Scarp', showing anged Paraescarpia echinospica tubes projecting from muddy sediment. Note: the obturaculum and spike projecting from some tubes in lower photograph, stalked cirripedes attached to tubes, long thin tubes of unidentied polychaetes, oval empty shells of vesicomyid bivalves. X X, scale of 10 cm, indicated by two laser beams. Double shadows are produced by two lamps.