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828 results for “ascidian”
FIGURE 4 in A novel symbiotic relationship between ascidians and a new tunic-boring polychaete (Annelida: Spionidae: Polydora)
FIGURE 4. Polydora tunicola sp. nov. A: palps and mud tubes of Polydora tunicola sp. nov. protruding from their burrows in the tunics of the sessile ascidian Polycarpa cf. cryptocarpa kroboja. B: closeup of palps and mud tubes of Polydora tunicola sp. nov. C, D: tubes of Polydora tunicola sp. nov. concentrated on near siphons of the ascidians. E: juvenile of Polydora tunicola sp. nov. (arrowhead) constructing a mucous tube on the siphons of the ascidians but not yet bore into the tunic. F: cross-section of a host ascidian showing many pairs of boreholes filled with mud tubes (arrowheads) of Polydora tunicola sp. nov. in the host tunic. Photo by O. Hoshino (A–E) and H. Abe (F).
FIGURE 1 in A novel symbiotic relationship between ascidians and a new tunic-boring polychaete (Annelida: Spionidae: Polydora)
FIGURE 1. Maps showing sampling locations of Polydora tunicola sp. nov. A: Japan. B: Izu-Oshima Island and its vicinity.
FIGURE 2 in A novel symbiotic relationship between ascidians and a new tunic-boring polychaete (Annelida: Spionidae: Polydora)
FIGURE 2. Polydora tunicola sp. nov. Light micrographs showing the morphology of preserved specimens (holotype: NSMTPol H-855). A: entire body. B: anterior end, dorsal view. C: anterior end, lateral view. D: posterior end, lateral view. E: posterior end, dorsal view. F: posterior end, ventral view. Scale bars: (A) = 5 mm; (B–C) = 1 mm; (D–F) = 500 μm.
FIGURE 16. Culeolus herdmani. A, body ventrally opened. B in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 16. Culeolus herdmani. A, body ventrally opened. B, gonads on the right side. C, musculature on the right side. D, musculature on the left side. Scale bars = 1cm.
FIGURE 13. Bathyoncus lanatus. A in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 13. Bathyoncus lanatus. A, three specimens from SPANBIOS expedition, scale bar = 1cm. B, detail of two gonads of the right side, scale bar = 2mm. C, D, branchial tissue of different specimens, scale bars = 5mm.
FIGURE 8. Polycarpa carpocincta. A, one specimen. B, body ventrally opened with natural white pigment. C in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 8. Polycarpa carpocincta. A, one specimen. B, body ventrally opened with natural white pigment. C, branchial sac. Scale bars = 1cm.
FIGURE 7. Polycarpa carpocincta. A, one specimen. B,C, two specimens ventrally opened. D in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 7. Polycarpa carpocincta. A, one specimen. B,C, two specimens ventrally opened. D, branchial sac. Scale bars = 1cm.
FIGURE 5 in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 5. Corynascidia sp. A, body removed from the tunic. B, body ventrally opened with branchial tissue. C, body ventrally opened, branchial sac removed. Scale bars = 1cm. D, neural area.
FIGURE 3. Ascidia tapuni. A in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 3. Ascidia tapuni. A, specimen in its tunic. B, same specimen without tunic, scale bar = 1cm.
FIGURE 12 in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 12. Cnemidocarpa pilocincta sp nov. A, dorsal side; B, ventral side of the body; C, body ventrally opened; D, branchial sac stained with hemalum; E, detail of the stained branchial tissue; F, gonads of the right side. Scale bars A,B,C,D = 1cm.
FIGURE 2 in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 2. Pharyngodictyon melanesius sp. nov. A, colony, scale bar = 5mm. B,C, thoraces of two different zooids, scale bar = 1mm. D, larva stained with hemalum, scale bar = 0.5mm.
FIGURE 1. Pharyngodictyon magnifili. A in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 1. Pharyngodictyon magnifili. A, colony, scale bar = 1cm. B, zooid. C. larva stained with hemalum.
FIGURE 11. Cnemidocarpa irene. A, tunic. B in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 11. Cnemidocarpa irene. A, tunic. B, body removed from tunic; C, gonads; D, body ventrally opened; E, branchial sac. Scale bars = 1cm.
FIGURE 15 in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 15. Bathyoncus lanatus? From the ExBodi expedition. A, body ventrally opened, scale bar = 1cm. B, branchial sac
FIGURE 14. Bathyoncus lanatus. A, B, C in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 14. Bathyoncus lanatus. A, B, C, specimens from Stanbios expedition, ventrally opened (B, C, stained with hemalum); scale bars = 1cm.
FIGURE 6 in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 6. Corynascidia sp. Two different parts of the branchial tissue stained with hemalum. Scale bar = 1mm.
FIGURE 19. Oligotrema pasammites A, one specimen. B in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 19. Oligotrema pasammites A, one specimen. B, right side of the body without tunic. C, left body side. D, perforated pharynx. E, Neural ganglion. Scale bars A,B,C = 5mm. D, 5mm.
FIGURE 4. Ascidia tapuni. A, body ventrally opened with branchial sac. B in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 4. Ascidia tapuni. A, body ventrally opened with branchial sac. B, body ventrally opened with branchial sac removed, scale bar = 1cm. C, external side of the gut loop. D, neural region stained with hemalum.
FIGURE 18. Molgula delicata. A, body ventrally opened. B in Additional records of bathyal ascidians (Tunicata) from the New Caledonia region
FIGURE 18. Molgula delicata. A, body ventrally opened. B, dorsal side of the body wall. C, internal side of the neural region. Scale bars = 1cm
FIGURE 5. A in Shallow-water Ascidians from Matua Island (central Kuril Islands, NW Pacific), part 2
FIGURE 5. A, colony of Aplidium spitzbergense; B, two colonies of Distaplia sp.; C, colony of Aplidiopsis pannosum.
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