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FIGURE 3 in Two new species of Comesomatidae (Nematoda) from the East China Sea

FIGURE 3. Metacomesoma macramphida sp. nov. (A) lateral view of male anterior end, showing cephalic seta, amphideal fovea and excretory pore; (B) lateral view of male posterior end, showing spicules, gubernaculum; (C) two testes with spermatozoa.

FIGURE 4 in Two new species of Comesomatidae (Nematoda) from the East China Sea

FIGURE 4. Metacomesoma macramphida sp. nov. (A) male anterior end; (B) lateral view of male anterior end, showing amphideal fovea; (C) male cloacal region, showing spicules; (D) lateral view of male cloacal region, showing spicules and gubernaculum. (Scales: A, B 10 µm; C, D 20 µm).

FIGURE 1 in Two new species of Comesomatidae (Nematoda) from the East China Sea

FIGURE 1. Paracomesoma zhangi sp. nov. (A) lateral view of male posterior end, showing spicules, gubernaculum and precloacal supplements; (B) lateral view of male anterior end, showing buccal cavity, cephalic setae and amphideal fovea; (C) lateral view of male pharyngeal region, showing secretory-excretory system; (D) lateral view of cloacal region, showing spicules, gubernaculum, precloacal seta and precloacal supplements.

FIGURE 2 in Two new species of Comesomatidae (Nematoda) from the East China Sea

FIGURE 2. Paracomesoma zhangi sp. nov. (A) male anterior end, showing buccal cavity and teeth; (B) lateral view of male anterior end, showing cephalic setae and amphideal fovea; (C) male cloacal region, showing spicules and precloacal supplements; (D) lateral view of male cloacal region, showing spicules and gubernaculum. (Scales: A, B 20 µm; C, D 30 µm).

FIGURES 37–39. Plesiocleidochasma clandestina n in Sixteen new generic records of Korean Bryozoa from southern coastal waters and Jeju Island, East China Sea: evidence of tropical affinities

FIGURES 37–39. Plesiocleidochasma clandestina n. sp., holotype, Munseom Island. 37, part of colony showing ovicellate (asterisks) and non-ovicellate orifices; 38, two-, three- and four-spined orifices at colony margin; 39, ovicellate orifice with frontal ooecial foramen. Scale bars: 37, 500 µm; 38, 200 µm; 39, 100 µm.

FIGURES 33, 34. Stephanollona boreopacifica n in Sixteen new generic records of Korean Bryozoa from southern coastal waters and Jeju Island, East China Sea: evidence of tropical affinities

FIGURES 33, 34. Stephanollona boreopacifica n. sp., holotype, Munseom Island. 33, ovicellate orifice; 34, five-spined orifice. FIGURES 35, 36. Pleuromucrum granulatum (Liu in Liu, Yin & Ma, 2001), Munseom Island. 35, zooids, mostly ovicellate, near colony margin; 36, ooecia and avicularia. Scale bars: 33, 36, 100 µm; 34, 50 µm; 35, 500 µm.

FIGURES 23–25. Jodoella koreensis n in Sixteen new generic records of Korean Bryozoa from southern coastal waters and Jeju Island, East China Sea: evidence of tropical affinities

FIGURES 23–25. Jodoella koreensis n. gen. et sp., holotype, Jodo Island. 23, reproductive part of colony showing clustered large ooecia, dimorphic orifices and a rare avicularium; 24, autozooidal orifice; 25, a rare avicularium. FIGURES 26, 27. Calloporina hayamiae Arakawa, 1995, Hajo Island. 26, zooids, several ovicellate, near colony margin, with various stages of ooecial calcification; 27, six-spined and five-spined autozooidal orifices. Scale bars: 23, 26, 300 µm; 24, 25, 50 µm; 27, 200 µm.

FIGURES 14, 15. Schizosmittina mabik n in Sixteen new generic records of Korean Bryozoa from southern coastal waters and Jeju Island, East China Sea: evidence of tropical affinities

FIGURES 14, 15. Schizosmittina mabik n. sp., holotype, Munseom Island. 14, autozooids at colony margin; 15, ovicellate zooids. FIGURES 16, 17. Stephanotheca fenestricella Dick & Grischenko, 2017, Munseom Island. 16, ooecium, ovicellate and autozooidal orifices, and suboral avicularia; 17, autozooidal orifice, condyle and suboral avicularium. Scale bars: 14, 15, 300 µm; 16, 100 µm; 17, 50 µm.

FIGURES 10–13. Reptadeonella yeonbora n in Sixteen new generic records of Korean Bryozoa from southern coastal waters and Jeju Island, East China Sea: evidence of tropical affinities

FIGURES 10–13. Reptadeonella yeonbora n. sp., holotype, Munseom Island. 10, proximal part of colony showing fan-shaped ancestrula triad and daughter zooids; 11, autozooids near growing margin; 12, orifice, suboral avicularium and denticulate single spiramen; 13, large zooid (presumed female) with compound spiramen of five openings, and adjacent smaller zooids. Scale bars: 10, 13, 300 µm; 11, 200 µm; 12, 50 µm.

FIGURES 6, 7 in Sixteen new generic records of Korean Bryozoa from southern coastal waters and Jeju Island, East China Sea: evidence of tropical affinities

FIGURES 6, 7. Corbulella boninensis (Silén, 1941), Munseom Island. 6, part of unbleached colony, slightly tilted forward, showing the strongly toothed distal rim of the vicarious avicularium (regenerated within an autozooidal cystid) and ooecia with a pointed ectooecial apex; 7, part of bleached colony, not tilted, showing autozooids, ooecium and a vicarious avicularium in an autozooidal cystid. FIGURES 8, 9. Onychocella subsymmetrica Canu & Bassler, 1929, Munseom Island. 8, autozooids, torqued avicularia and a zooid that appears to be a female (asterisk); 9, light micrograph of unbleached zooids showing scleritized open opercula (one arrowed) with lateral flanges and avicularian mandibles (thin wing on outer side too transparent to be seen). Scale bars: 6–8, 500 µm; 9, 300 µm.

FIGURE 1 in Sixteen new generic records of Korean Bryozoa from southern coastal waters and Jeju Island, East China Sea: evidence of tropical affinities

FIGURE 1. Dibunostoma reversum (Harmer, 1926), Munseom Island, showing autozooids and a single interzooidal avicularium. FIGURES 2–5. Copidozoum rhoae n. sp., holotype, Munseom Island. 2, autozooids, ovicellate zooids and large avicularia; 3, part of unbleached colony showing the shape and disposition of oral spines; 4, close-up of part of Fig. 2 showing ooecia in more detail; note the narrow peripheral band of calcified ectooecium (arrow); 5, large interzooidal avicularium. Scale bars: 1, 500 µm; 2–4, 200 µm; 5, 50 µm.

FIGURE 18. Saevitella jejuensis n in Sixteen new generic records of Korean Bryozoa from southern coastal waters and Jeju Island, East China Sea: evidence of tropical affinities

FIGURE 18. Saevitella jejuensis n. sp., holotype, Munseom Island, showing an autozooid and ovicellate orifices. FIGURES 19–21. Bryopesanser ascendosolaris Tilbrook, 2006, Munseom Island. 19, ovicellate zooid; 20, autozooid and two ovicellate orifices; 21, articular ridges and orificial sinus. FIGURE 22. Jodoella koreensis n. gen. et sp., holotype, Jodo Island, showing autozooids. Scale bars: 18–20, 300 µm; 21, 20 µm; 22, 200 µm.

FIGURE 28. Hippaliosina setiformis Tilbrook, 2006 in Sixteen new generic records of Korean Bryozoa from southern coastal waters and Jeju Island, East China Sea: evidence of tropical affinities

FIGURE 28. Hippaliosina setiformis Tilbrook, 2006, Munseom Island, showing, at centre, a female zooid (♀) with enlarged orifice and ooecium, surrounded by autozooids with two types of avicularia. FIGURES 29–31. Torquatella imperforata n. sp., holotype, Munseom Island. 29, ovicellate and non-ovicellate zooids from colony margin to colony center; 30, autozooid at colony margin and ooecium of proximal zooid; 31, two orifices, each with an intraperistomial avicularium. FIGURE 32. Stephanollona boreopacifica n. sp., holotype, Munseom Island, showing a six-spined autozooidal orifice (right), ovicellate orifices and two types of adventitious avicularia. Scale bars: 28, 500 µm; 29, 400 µm; 30, 31, 100 µm; 32, 300 µm.

FIGURE 1 in Cocculina delphinicula sp. nov., a new cocculinid species from whale bone in the East China Sea (Gastropoda: Cocculiniformia)

FIGURE 1. Samples of Cocculina delphinicula sp. nov. in situ on dolphin skull. A. dolphin skull, 48×33 cm; B. close-up of rectangle 1; C. close-up of rectangle 2.

FIGURE 2 in Cocculina delphinicula sp. nov., a new cocculinid species from whale bone in the East China Sea (Gastropoda: Cocculiniformia)

FIGURE 2. Shells of Cocculina delphinicula sp. nov. A. Dorsal, and B. lateral view of holotype, 4.9 mm, MBM285103, scale bar=10 mm; C, D. Microsculpture of shell near margin; E. Dorsal, and F. lateral view of protoconch; G, H. Microsculpture of protoconch.

FIGURE 3 in Cocculina delphinicula sp. nov., a new cocculinid species from whale bone in the East China Sea (Gastropoda: Cocculiniformia)

FIGURE 3. Ventral view of soft part of Cocculina delphinicula sp. nov., holotype MBM285103. Abbreviations. (co) copulatory organ; (ept) epipodial tentacle; (flw) lateral wall of foot; (mm) mantle margin; (o) oral; (ol) oral lappet; (ps) pedal sole.

FIGURE 4 in Cocculina delphinicula sp. nov., a new cocculinid species from whale bone in the East China Sea (Gastropoda: Cocculiniformia)

FIGURE 4. Radular of holotype of Cocculina delphinicula sp. nov., MBM285103. A. Dorsal view of intact radular segment; B. Enlargement of central region; C. Marginal portion, showing marginal teeth, scale bar=100 µm; D. Inner marginal teeth, scale bar=50 µm; E. Outer marginal teeth, scale bar=10 µm.

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FIGURE 2 in Two new species of Xyalidae (Monhysterida, Nematoda) from the East China Sea

FIGURE 2. Daptonema donghaiensis sp. nov. A. Lateral view of male anterior end, showing buccal cavity and transparent cell; B. Lateral view of male anterior end; C. Lateral view of male posterior body, showing spicules and gubernaculums; D. Entire view of female body, showing vulva. Scales: A–C=20 µm, D=50 µm.

opennotspecifiedNov 2018View details →

FIGURE 4 in Two new species of Xyalidae (Monhysterida, Nematoda) from the East China Sea

FIGURE 4. Cobbia heterospicula sp. nov. A. Lateral view of male anterior end, showing buccal cavity and amphids; B. Lateral view of male posterior body, showing tail; C. Lateral view of male anterior end, showing pharyngeal region; D. Entire view of female body, showing vulva; E. Lateral view of spicules and gubernaculums. Scales: A=10 µm, B=50 µm, C=30 µm, D=50 µm, E=20µm.