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FIG. 3. Punctulum reticulatum Golikov, 1986. A-D. SoJaBio stn. A2-10 in Bathyal Rissoidae (Gastropoda: Rissooidea) off the Russian Far East coast of the Sea of Japan, with redescription of Punctulum reticulatum Golikov, 1986

FIG. 3. Punctulum reticulatum Golikov, 1986. A-D. SoJaBio stn. A2-10 (455–456 m), MIBM 39338. E-F. SoJaBio stn. B7-7 (470–528 m), MIBM 39343. G-I. Holotype, ZIN 36574/3. All at the same scale, scale = 1 mm; except for D, scale, 200 µm. РИС. 3. Punctulum reticulatum Golikov, 1986. A-D. SoJaBio ст. A2-10 (455–456 м), MIBM 39338. E-F. SoJaBio ст. B7-7 (470–528 м), MIBM 39343. G-I. Голотип, ZIN 36574/3.

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FIG. 2 in A new species of Boreotrophon P. Fischer, 1884 (Gastropoda, Muricidae, Pagodulinae) from the Sea of Japan

FIG. 2. Boreotrophon oparini sp. nov. A–E. Holotype ZMMU Lc-41237, 46.2 mm: ventral (A) dorsal (C), right (D) and left (E) views, B – aperture with operculum 9.1 mm x 4.8 mm. F–J. Paratype IBSS, 41.1 mm ventral (F) dorsal (H), right (I) and left (J) view, G – aperture with operculum 8.5 mm x 4.6 mm. РИС. 2. Boreotrophon oparini sp. nov. A–E. Голотип ZMMU Lc-41237, 46.2 мм, ракурсы: вентральный (A) дорсальный (C), справа (D), слева (E), B – устье с крыШечкой 9,1 мм x 4,8 мм. F–J. Паратип IBSS, 41,1 мм, ракурсы: вентральный (F), дорсальный (H), справа (I), слева (J), G – устье с крыШечкой 8,5 мм x 4,6 мм.

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FIG. 1. Berryteuthis septemdentatus, neotype. A. dorsal view. B. ventral view. Scale – 10 in Taxonomic status of squids of the genus Berryteuthis Naef, 1921 (Gonatidae, Oegopsida) inhabiting the Sea of Japan

FIG. 1. Berryteuthis septemdentatus, neotype. A. dorsal view. B. ventral view. Scale – 10 cm. РИС. 1. Неотип Berryteuthis septemdentatus. A. вид с дорсальной стороны. B. вид с вентральной стороны. Шкала – 10 см.

Fig. 4 in Redescription of the Sea Anemone Exocoelactis actinostoloides (Cnidaria: Anthozoa: Actiniaria) Based on a Topotypic Specimen Collected from Tokyo Bay, Japan

Fig. 4. Mesenterial arrangement of Exocoelactis actinostoloides (CMNH ZG 05926). A, diagrammatic image; B, gross transverse section of column at level of pharynx; C, histological transverse section of approximately one-third of whole cycle in lower part of column, just under pharynx. Abbreviations: I–V, pairs of mesenteries of first to fifth cycle respectively; d, pairs of directive mesenteries; g, gonad; p, pharynx; s, siphonoglyph. Scale bars: 10 mm.

Fig. 1 in Redescription of the Sea Anemone Exocoelactis actinostoloides (Cnidaria: Anthozoa: Actiniaria) Based on a Topotypic Specimen Collected from Tokyo Bay, Japan

Fig. 1. Localities of Exocoelactis actinostoloides (Wassilieff, 1908) around Sagami Bay, Japan. Jogashima and Enoshima are the type localities of Ex. actinostoloides and Cymbactis maxima Wassilieff, 1908, respectively.

Fig. 3 in Redescription of the Sea Anemone Exocoelactis actinostoloides (Cnidaria: Anthozoa: Actiniaria) Based on a Topotypic Specimen Collected from Tokyo Bay, Japan

Fig. 3. Exocoelactis actinostoloides (CMNH-ZG 05926) from Uraga Strait, mouth of Tokyo Bay, live. A, oral view; B, lateral view; C, oral view around mouth; D, lateral view of upper part of column. s, siphonoglyph. Scale bars (lower right in each image): 20 mm.

Fig. 7 in Redescription of the Sea Anemone Exocoelactis actinostoloides (Cnidaria: Anthozoa: Actiniaria) Based on a Topotypic Specimen Collected from Tokyo Bay, Japan

Fig. 7. Cnidae from tentacle, column, pharynx, and mesenterial filaments of Exocoelactis actinostoloides (CMNH-ZG 05926). For letters a–m, refer to Table 1. Scale bar: 50 µm.

Fig. 9 in Redescription of the Sea Anemone Exocoelactis actinostoloides (Cnidaria: Anthozoa: Actiniaria) Based on a Topotypic Specimen Collected from Tokyo Bay, Japan

Fig. 9. Maximum likelihood tree of total 1094 base pairs of concatenated 12S rDNA and 16S rDNA, showing placement of newly obtained sequences from Exocoelactis actinostoloides (CMNH-ZG 05926) among previously published GenBank sequences. Values of ML bootstrap values>60% are shown at the respective nodes; monophylies with Bayesian posterior probabilities of>0.90 in Bayseian tree are shown by thick branches. Ex. actinostoloides is shown in a bold and larger font. Species names corresponding to sequences from previous studies are shown in regular font. Black and white stars indicate members of the family Actinostolidae sensu Rodríguez et al. (2008) and Exocoelactinidae, respectively.

Fig. 8 in Redescription of the Sea Anemone Exocoelactis actinostoloides (Cnidaria: Anthozoa: Actiniaria) Based on a Topotypic Specimen Collected from Tokyo Bay, Japan

Fig. 8. Size distribution of cnidae of Exocoelactis actinostoloides (CMNH-ZG 05926). Squares indicate ranges of length and width reported by Arellano and Fautin (2001: 654, table 2): orange squares, holotype; green squares, other specimens investigated by Arellano and Fautin (2001). "n" is number of capsules measured. For letters a–m, refer to Table 1 and Fig. 7.

Fig. 6 in Redescription of the Sea Anemone Exocoelactis actinostoloides (Cnidaria: Anthozoa: Actiniaria) Based on a Topotypic Specimen Collected from Tokyo Bay, Japan

Fig. 6. Scanning electric microscope images of musculature of Exocoelactis actinostoloides (CMNH-ZG 05926). A, sphincter; B, enlarged detail of A (area within rectangle); C, tentacular longitudinal muscle; D, enlarged detail of C (area within rectangle). Abbreviations: ed, epidermis; gd, gastrodermis; mg, mesogloea; mf, muscle fibers; sm, sphincter muscle; tm, tentacular longitudinal muscle. Scale bars: 200 µm for A, C; 10 µm for B, D.

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Fig. 1. Heterocotyle chinensis Timofeeva, 1983 in Heterocotyle chinensis (Monogenea: Monocotylidae) from the Whip Stingray Dasyatis akajei in the Seto Inland Sea, Japan

Fig. 1. Heterocotyle chinensis Timofeeva, 1983. NMST-Pl 6164. A, whole mount (ventral view); B, hamulus; C, hooklet; D, male copulatory organ. Scale bars: A, 200 µm; B–D, 10 µm. Abbreviations: alg, anterolateral gland; amg, anteromedian gland; d, duct; dh, dorsal haptoral accessory structure; ej, ejaculatory bulb; ey, eyespots; h, hamulus; ho, hooklet; in, intestine; m, mouth; mag, male accessory gland; mco, male copulatory organ; mg, Mehlis' gland; o, oötype; od, oviduct; ov, ovary; ph, pharynx; pg, posterior gland; phg, pharyngeal glands; r, sinuous ridge; sr, seminal receptacle; sv, seminal vesicle; t, testis; tv, transverse vitelline duct; u, uterus; vi, vitellaria; v, vagina; vp, vaginal pore; vd, vas deferens.

Fig. 2. Glycera nicobarica Grube, 1866. A in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 2. Glycera nicobarica Grube, 1866. A, Whole body, epitokous male (NSMT-Pol 111422), dorsal view; B, enlargement of proboscis and prostomium, epitokous male (NSMT-Pol 111422), dorsal view; C, anterior part of an atoke with everted proboscis (NSMT-Pol 111429), lateral view; D, spermatozoon obtained from an epitokous male (NSMT-Pol 111426). Scale bars: 5 mm (A, C); 1 mm (B); 5 µm (D).

Fig. 6. Glycera nicobarica Grube, 1866 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 6. Glycera nicobarica Grube, 1866. Comparison of parapodia and chaetal arrangement in chaetiger 110 between epitoke (A) and atoke (B), posterior view. A, Epitokous female, 1.9 mm BW, NSMT-Pol 111427; B, atoke, 1.8 mm BW, NSMT-Pol 111428. Scale bar: 0.2 mm.

Fig. 1 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 1. Collection sites of epitokes (solid circles) and atokes (open circles) of Glycera nicobarica Grube, 1866 in the Seto Inland Sea and Ariake Sea, Japan. 1, Uno Port, Okayama Prefecture; 2, Tadanoumi, Hiroshima Prefecture; 3, Imabari Port, Ehime Prefecture; 4, Yanai Port, Yamaguchi Prefecture; 5, off Nagashima Island, Kaminoseki, Yamaguchi Prefecture; 6, Himeshima Port, Oita Prefecture; a, Kasaoka Bay, Okayama Prefecture; b, Kure, Hiroshima Prefecture; c, Bouchi-no-su, Ehime Prefecture; d, Nukari-no-seto, Hiroshima Prefecture; e, off Iwaijima Island, Yamaguchi Prefecture; f, Kojiro-nagahama, Isahaya Bay, Nagasaki Prefecture.

Fig. 4. Glycera nicobarica Grube, 1866 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 4. Glycera nicobarica Grube, 1866. Scanning electron micrographs of two kinds of papillae on proboscis. A, B, Epitokous male (NSMT-Pol 111423); C, D, atoke (NSMT-Pol 111429). A, C, conical papillae with 3 U-shaped ridges; B, D, oval papilla. Scale bars: 10 µm.

Fig. 9 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 9. Small holes (one arrowed) on ventral surface of bases of parapodia of spent G. nicobarica Grube, 1866 (MS). Scale bar: 0.1 mm.

Fig. 8 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 8. Timing of reproductive swimming of epitokes of Glycera nicobarica Grube, 1866 at six sites in July to November in 2009 to 2011. Numbers above black squares indicate the number of epitokes collected on each ocassion. The locality numbers () correspond to those in Fig. 1.

Fig. 7 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan

Fig. 7. Presumed parasites attached to epitokous males of Glycera nicobarica Grube, 1866. A, Copepod (arrow) (NSMT-Cr 22387) attached to parapodia of male (NSMT-Pol 111425); B, enlargement of copepod, dorsal view; C, nematodes (arrows) (NSMT-As 3962) attached to parapodia in mid-body of another male (NSMT-Pol 111424); D, enlargement of nematode. Scale bars: 0.5 mm (A–C); 0.1 mm (D).

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Fig. 2 in The Largest Cnidae Among the Sea Anemones; Description of a New Haloclavid Species from Japan, Haloclava hercules (Cnidaria: Actiniaria: Enthemonae: Haloclavidae)

Fig. 2. Haloclava hercules sp. nov., holotype, NSMT-Co 1754, external morphology in living state (A, B) and internal morphology of the preserved specimen (C–H, histological section stained by hematoxylin and eosin). A, Lateral view of the whole body; B, oral view; C, transverse section of a tentacle; D, longitudinal section of a tentacle; E, transverse section of the column; F, enlarged view of the transverse section of the column; G, enlarged view of the transverse section of an oocyte; H, longitudinal section of the aboral end. Abbreviations: a, actinopharynx; ac, acrosphere; D, dorsal directive; fi, filament; ma, macrocneme; oo, oocyte; pa, parietal muscle; rm, retractor muscle; s, siphonoglyph; scs, scapus; tcm, tentacular circular muscle; te, tentacles; tlm, tentacular longitudinal muscle; V, ventral directive; 1, first cycle mesentery; 2, second cycle mesentery. Scale bars: 10 mm in A and B, 1 mm in E, F, H, 500 µm in D, G, and 100 µm in C.