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FIG. 25. — A-C in The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca

FIG. 25. — A-C, Spirolaxis lamellifer (Rehder, 1935), shell from DW120 (diameter 3.7 mm); new to the Canaries; D-F, Orbitestella pruinosa n. sp., holotype from DW130 (diameter 0.8 mm); G, Graphis gracilis (Monterosato, 1874), shell from DW130 (height 2.1 mm); H, I, Odostomia madeirensis Peñas, Rolán & Swinnen, 2014, shell from DW133 (height 2.2 mm); new to Spanish waters; J, K, Liostomia canaliculata n. sp., holotype from DW130 (height 1 mm); L, M, Ringicula pirulina Locard, 1897, shell from DW130 (6.4 mm); N, Colpodaspis pusilla M. Sars, 1870, shell from DW126 (1.4 mm); new to the Canaries.

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FIG. 11. — A-C in The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca

FIG. 11. — A-C, Discaclis canariensis Moolenbeek & Warén, 1987, shell from DW133 (diameter 1.2 mm); D-J, Discaclis lamellata n. sp.: D-F, holotype (sh.) from DW130 (diameter 1.0 mm); G, paratype (sh.), same locality (diameter 0.95 mm); H, protoconch of another paratype; I, protoconch of another paratype in apical view; J, microsculpture on the shoulder, same shell as I. Scale bars: H, I, 100 µm; J, 20 µm.

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FIG. 2. — A, B in The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca

FIG. 2. — A, B, Bathysciadium costulatum (Locard, 1898), shell from DW130 (2.3 mm length); new to Spanish waters; C, D, Copulabyssia corrugata (Jeffreys, 1883), shell from DW130 (1.6 mm length); new to the Canaries; E, F, Profundisepta profundi (Jeffreys, 1877), shell from DW130 (3.6 mm length); new to Spanish waters; G, H, Fissurisepta granulosa Jeffreys, 1883, shell from DW130 (2.3 mm length); new to the Canaries; I-J, Satondella danieli Segers, Swinnen & Abreu, 2009, shell from DW130 (1.8 mm maximum diameter); new to Spanish waters.

FIG. 12 in A review of the brachyuran deep-sea vent community of the western Pacific, with two new species of Austinograea Hessler & Martin, 1989 (Crustacea, Decapoda, Brachyura, Bythograeidae) from the Lau and North Fiji Back-Arc Basins

FIG. 12. — Austinograea sp. aff. A. alayseae Guinot, 1990, ♂ 31.3 × 48.8 mm (right-handed), ♀ 29.6 × 44.8 mm (left-handed), Manus Basin, Shinkai 2000, 3°43.60'S, 151°40.32'E, PACMANUS site, field E, 1676 m (see Tsuchida & Hashimoto 2002), MNHN-IU-2016-10750 (= MNHN-B28761): A, male chelae, crusher and cutter, outer surfaces of palms; B, female chelae, cutter and crusher, outer surfaces of palms.

FIG. 11. — Austinograea jolliveti n in A review of the brachyuran deep-sea vent community of the western Pacific, with two new species of Austinograea Hessler & Martin, 1989 (Crustacea, Decapoda, Brachyura, Bythograeidae) from the Lau and North Fiji Back-Arc Basins

FIG. 11. — Austinograea jolliveti n. sp., holotype, ♂ 12.8 × 20.0 mm (right-handed), North Fiji Basin, STARMER II cruise, dive 18 (PL 18), Mussel Valley site, 18°50'S, 173°29'E, 2750 m, MNHN-IU-2016-10769: A, mxp3; B, thoracic sternum; C, G1 and G2 in situ (reconstructed); D, G1, two views; E, G2, two views. Scale bars: B, 5 mm; D, 1 mm; E, 0.5 mm (note the scale bars of the two gonopods, the G2 being about half-length of G1); A, C, without scale.

FIG. 4. — A-C, Austinograea hourdezi n in A review of the brachyuran deep-sea vent community of the western Pacific, with two new species of Austinograea Hessler & Martin, 1989 (Crustacea, Decapoda, Brachyura, Bythograeidae) from the Lau and North Fiji Back-Arc Basins

FIG. 4. — A-C, Austinograea hourdezi n. sp., holotype, ♂ 25.7 × 40.2 mm (right-handed), Lau Back-Arc Basin, TUIM06MV cruise, dive 142, Tow Cam site, 20°19.07'S, 176°08.24'W, 2719 m, MNHN-IU-2016-10737: A, B, chelae with two coloured spots on outer surface of palm of right crusher (A) and left cutter (B); C, G1 and G2 photographed in situ; D, E, Austinograea hourdezi n. sp., atypical ♀ 30.0 × 48.5 mm (right-handed), Lau Back-Arc Basin, MGLN07MV cruise, dive 230, Kilo Moana site, 20°03.23'S, 176°08.01'W, 2623 m, MNHN-IU-2016-10752: D, crusher with one marked dark spot and the other one, only discernible by a yellow trace (wound at base of fixed finger is not a spot comparable to that of A. jolliveti n. sp.); E, cutter with two indistinct spots, only as yellow traces.

FIG. 3. — Austinograea hourdezi n in A review of the brachyuran deep-sea vent community of the western Pacific, with two new species of Austinograea Hessler & Martin, 1989 (Crustacea, Decapoda, Brachyura, Bythograeidae) from the Lau and North Fiji Back-Arc Basins

FIG. 3. — Austinograea hourdezi n. sp. photographed in situ: A, Lau Basin, Lau Basin 2009 cruise, dive 432, Tow Cam site, 20˚18.98'S, 176˚08.19'W, 2723 m, 05.VI.2009 (type locality), among sessiles barnacles Eochionelasmus ohtai ohtai Yamaguchi, 1990. The two dark spots on outer surface of palm of both chelae indicate a male; see patches of dense setae on inner surface of both chelae, and the darkly coloured two-thirds of dactylus of right cheliped; B, C, Austinograea hourdezi n. sp., due to the patch of dense setae on inner surface of both chelae: B, Lau Basin, TUIM07MV cruise, dive 163, ABE site, 20°45.65'S, 176°11.45'W, 2130 m, 23.VI.2005; on a bed of gastropod Ifremeria nautilei Bouchet & Warén, 1991; C, Lau Basin, Lau Basin 2009 cruise, dive 431, ABE site, 20°45.65'S, 176°11.45'W, 2130 m, 03.VI.2009. The crab and the gastropods Alviniconcha hessleri sensu lato are blurry, the photography in situ having been taken in hydrothermal diffuse area with the emanating fluid visible as shimmering water. Photographies courtesy of C. R. Fisher (Penn State University, USA).

FIG. 8. — A, B in A review of the brachyuran deep-sea vent community of the western Pacific, with two new species of Austinograea Hessler & Martin, 1989 (Crustacea, Decapoda, Brachyura, Bythograeidae) from the Lau and North Fiji Back-Arc Basins

FIG. 8. — A, B, Austinograea alayseae Guinot, 1990, photographed in situ: see absence of patches of setae on inner surface of chelae: A, crab with white carapace, Lau Basin 2009 cruise, Kilo Moana site, 20°03.23'S, 176°08.01'W, 2621 m, among mussels Bathymodiolus brevior Cosel, Métivier & Hashimoto, 1994 and snails Ifremeria nautilei Bouchet & Warén, 1991; B, crab with carapace stained orange due to iron or manganese oxide deposits, and cluster of alvinocaridid shrimps, Lau Basin, TUIM07MV, Kilo Moana site, 20°03.23'S, 176°08.01'W, 2621 m; C, Austinograea hourdezi n. sp. (presumed identification, see p. 89), Lau Basin, Lau Basin 2009 cruise, Kilo Moana site, among mussels Bathymodiolus brevior, gastropods Ifremeria nautilei, sea anemone probably Cyananthea hourdezi Zelnio, Rodríguez & Daly, 2009, and alvinocaridid shrimp, Alvinocaris komaii Zelnio & Hourdez, 2009. This invidual with palm of preserved left cheliped (regenerated?) bearing only a single dark spot is atypical such as many Austinograea species showing regenerated chelipeds; patches of setae discernible just above on inner surface of chela and on right subhepatic region. Photographies courtesy of C. R. Fisher (Penn State University, USA).

FIG. 5. — Austinograea hourdezi n in A review of the brachyuran deep-sea vent community of the western Pacific, with two new species of Austinograea Hessler & Martin, 1989 (Crustacea, Decapoda, Brachyura, Bythograeidae) from the Lau and North Fiji Back-Arc Basins

FIG. 5. — Austinograea hourdezi n. sp., paratype, ♂ 29.8 × 48.1 mm (left-handed, with weak heterochely and heterodonty), Lau Back-Arc Basin, TUIM06MV cruise, dive 142, Tow Cam site, MNHN-IU-2016-10738: A, dorsal view; B, frontal view; C, mxp3; D, ventral view; E, G, both chelae with two typical spots on outer surface; F, H, both chelae with patches of setae on inner surface: E, F, cutter situated at right; G, H, crusher situated at left.

Fig. 5 in Lophogastrida and Mysida (Crustacea) of the "DIVA-1" deep-sea expedition to the Angola Basin (SE-Atlantic)

Fig. 5. Abyssomysis cornuta gen. et sp. nov., holotype, adult male with body length 6.6 mm (A: ZMH 58250), paratypes female 7.9 mm (B–C, E–F, H: ZMH 58256) and male 6.7 mm (D, G: ZMH 58254). A–B. Cephalic region of male (A) and female (B), dorsal; left antennula, right antenna and setae of antennal scale omitted. C. Detail of panel (B) showing lobe from terminal segment of antennula. D. Head in lateral view, setae of antennal scale omitted. E. Carapace expanded on slide. F–G. Eyeplate expanded on slide, for female (F) and male (G). H. Antenna, dorsal.

Fig. 2 in Lophogastrida and Mysida (Crustacea) of the "DIVA-1" deep-sea expedition to the Angola Basin (SE-Atlantic)

Fig. 2. Petalophthalmus cristatus sp. nov., holotype, adult female with body length 28.3 mm (ZMH 58247). A. Right mandible with palpus. B. Detail of A, showing outer lobe ending in a spine. C. Masticatory parts of both mandibles. D. Labium. E. Maxilla. F. Thoracopod 1. G. Endopod of thoracopod 2.

Fig. 3 in Lophogastrida and Mysida (Crustacea) of the "DIVA-1" deep-sea expedition to the Angola Basin (SE-Atlantic)

Fig. 3. Petalophthalmus cristatus sp. nov., holotype, adult female with body length 28.3 mm (ZMH 58247). A. Endopod and exopod of thoracopod 3. B. Thoracopod 4. C. Endopod and exopod of thoracopod 5. D. Detail of C (non-modified setae omitted), showing dactylus and distal portion of propodus. E. Endopod and exopod of thoracopod 6. F. Detail of E, showing dactylus. G. Second order detail of E, showing distal portion of dactylus with nail. H. Endopod and exopod of thoracopod 8. I. Detail of H, showing distal portion of dactylus with nail. J–N. Series of pleopods 1–5, rostral (J–K, M–N) or caudal (L) aspect. O. Tip of pleopod 1. P. Tip of pleopod 3.

Fig. 7 in Lophogastrida and Mysida (Crustacea) of the "DIVA-1" deep-sea expedition to the Angola Basin (SE-Atlantic)

Fig. 7. Abyssomysis cornuta gen. et sp. nov., holotype, adult male with body length 6.6 mm (D: ZMH 58250), paratypes female 7.9 mm (A, C, G: ZMH 58256) and males 6.7 mm (B, F: ZMH 58254), 6.8 mm (E, H–I: SMF 55190). A. Sixth thoracic sympod with oostegite. B. Eighth thoracic sympod with exopod and penis. C–D. Pleon in female (C) and male (D), lateral. E. First male pleopod. F. Fourth male pleopod. G. Fifth female pleopod. H. Uropods, ventral. I. Telson.

Fig. 15 in Deep-sea Echinoderidae (Kinorhyncha: Cyclorhagida) from the Northwest Pacific

Fig. 15. Light micrographs showing overviews of Echinoderes juliae sp. nov., holotype, ♀ (A–B) (NHMD-213666) and paratype, ♀ (C) (NHMD-213689). A. Dorsal overview. B. Ventral overview. C. Lateral view. Glandular cell outlets type 2 are marked with dashed white circles.

Fig. 25 in Deep-sea Echinoderidae (Kinorhyncha: Cyclorhagida) from the Northwest Pacific

Fig. 25 (opposite page). Scanning electron micrographs showing overviews and details of Echinoderes cf. unispinosus. A. Lateroventral overview. B. Dorsolateral overview. C. Segments 1 to 2, laterodorsal view. D. Segments 1 to 2, ventral view. E. Segments 1 to 3, laterodorsal view. F. Segments 2 to 3, subdorsal view G. Segments 1 to 4, dorsal view. H. Segments 3 to 6, ventral view. I. Segments 5 to 7, lateral view. J. Segments 8 to 9, lateral view. K. Segments 8 to 9, ventral view. L. ♂, segments 10 to 11, ventral view. Abbreviations: lagco2 = lateral accessory glandular cell outlet type 2; ldgco2 = laterodorsal glandular cell outlet type 2; ldss = laterodorsal sensory spot; lts = lateral terminal spine; lvs = lateroventral spine; mds = middorsal spine; mdss = middorsal sensory spot; mlgco2 = laterodorsal glandular cell outlet type 2; pe = penile spine; sdgco2 = subdorsal glandular cell outlet type 2; sdss = subdorsal sensory spot; si = sieve plate; slgco2 = sublateral glandular cell outlet type 2; slss = sublateral sensory spot; te = tergal extensions; vlss = ventrolateral sensory spot; vmss = ventromedial sensory spot.

Fig. 8 in Deep-sea Echinoderidae (Kinorhyncha: Cyclorhagida) from the Northwest Pacific

Fig. 8. Light micrographs showing overviews and details of Echinoderes hamiltonorum sp. nov., holotype, ♀ (A–D, H) (NHMD-223916), paratype, ♂ (E–F) (NHMD-223918) and paratype, ♀ (G) (NHMD-223920). A. Ventral overview. B. Segments 1 to 5, dorsal view. C. Segments 1 to 5, ventral view. D. Segments 6 to 8, dorsal view. E. Segments 6 to 9, ventral view. F. Detail showing sublateral glandular cell outlets type 2 on segments 1 and 2. G. Segments 8 to 9, lateral view. H. Segments 10 to 11 in female, ventral view. Abbreviations: eft = extended fringe tips; ldgco2 = laterodorsal glandular cell outlet type 2; ltas = lateral terminal accessory spine; lts = lateral terminal spine; lvs = lateroventral spine; lvt = lateroventral tube; mdgco1 = middorsal glandular cell outlet type 1; mds = middorsal spine; pdgco1 = paradorsal glandular cell outlet type 1; pdss = paradorsal sensory spot; pvgco1 = paraventral glandular cell outlet type 1; sdgco2 = subdorsal glandular cell outlet type 2; sdss = subdorsal sensory spot; si = sieve plate; slgco2 = sublateral glandular cell outlet type 2; te = tergal extensions; vlt = ventrolateral tube.

Fig. 21 in Deep-sea Echinoderidae (Kinorhyncha: Cyclorhagida) from the Northwest Pacific

Fig. 21. Line art illustrations of Echinoderes yamasakii sp. nov. A. ♀, dorsal view. B. ♀, ventral view. C. ♂, segments 10 to 11, dorsal view. D. ♂, segments 10 to 11, ventral view. Abbreviations: fpa = female papillae; ldgco2 = laterodorsal glandular cell outlet type 2; ltas = lateral terminal accessory spine; lts = lateral terminal spine; lvs = lateroventral spine; lvt = lateroventral tube; mdcm = middorsal cuticular marking; mdgco1 = middorsal glandular cell outlet type 1; mds = middorsal spine; mlss = midlateral sensory spot; mlt = midlateral tube; pe = penile spines; sdgco2 = subdorsal glandular cell outlet type 2; sdss = subdorsal sensory spot; si = sieve plate; te = tergal extension.

Fig. 14 in Deep-sea Echinoderidae (Kinorhyncha: Cyclorhagida) from the Northwest Pacific

Fig. 14. Line art illustrations of Echinoderes juliae sp. nov. A. ♀, dorsal view. B. ♀, ventral view. C. ♀, segments 10 to 11, with lateral terminal spines drawn in full length, dorsal view. D. ♂, segments 10 to 11, dorsal view. E. ♂, segments 10 to 11, ventral view. Abbreviations: ldgco2 = laterodorsal glandular cell outlet type 2; ltas = lateral terminal accessory spine; lts = lateral terminal spine; lvs = lateroventral spine; lvt = lateroventral tube; mds = middorsal spine; mlgco2 = midlateral glandular cell outlet type 2; mlss = midlateral sensory spot; pdgco1 = paradorsal glandular cell outlet type 1; pe = penile spines; pr = protuberance; sdgco2 = subdorsal glandular cell outlet type 2; sdss = subdorsal sensory spot; si = sieve plate; slgco2 = sublateral glandular cell outlet type 2; vlgco2 = ventrolateral glandular cell outlet type 2.

Fig. 4 in Deep-sea Echinoderidae (Kinorhyncha: Cyclorhagida) from the Northwest Pacific

Fig. 4. Line art illustrations of Echinoderes dubiosus sp. nov. A. ♀, dorsal view. B. ♀, ventral view. C. ♀, segments 10 to 11, with lateral terminal spines drawn in full length, dorsal view. D. ♂, segments 10 to 11, dorsal view. E. ♂, segments 10 to 11, ventral view. Abbreviations: ldss = laterodorsal sensory spot; ldt = laterodorsal tube; ltas = lateral terminal accessory spine; lts = lateral terminal spine; lvs = lateroventral spine; lvt = lateroventral tube; mds = middorsal spine; mlgco2 = midlateral glandular cell outlet type 2; pe = penile spines; pf = papillary flap; po = pore; slgco1 = sublateral glandular cell outlet type 1; slt = sublateral tube.

Fig. 3 in Deep-sea Echinoderidae (Kinorhyncha: Cyclorhagida) from the Northwest Pacific

Fig. 3. Light micrographs showing overviews and details of male holotype of Echinoderes anniae sp. nov. (NHMD-226483). A. Ventral overview. B. Segments 1 to 4, dorsal view. C. Segments 1 to 4, ventral view. D. Segments 8 to 9, dorsal view. E. Segments 5 to 7, ventral view. F. Segments 9 to 11, dorsal view. G. Segments 10 to 11, ventral view. H. Segments 8 to 9, ventral view. Abbreviations: lagco2 = lateral accessory glandular cell outlet type 2; ldgco2 = laterodorsal glandular cell outlet type 2; ldss = laterodorsal sensory spot; ldt = laterodorsal tube; lts = lateral terminal spine; lvgco1 = lateroventral glandular cell outlet type 1; lvs = lateroventral spine; mdgco1 = middorsal glandular cell outlet type 1; mds = middorsal spine; mlgco2 = midlateral glandular cell outlet type 2; pdss = paradorsal sensory spot; pe = penile spines; sdgco2 = subdorsal glandular cell outlet type 2; sdss = subdorsal sensory spot; si = sieve plate; slgco2 = sublateral glandular cell outlet type 2; te = tergal extensions; vlgco2 = ventrolateral glandular cell outlet type 2; vlss = ventrolateral sensory spot; vmss = ventromedial sensory spot.