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26 results for “Jasmineira”
FIGURE 8 in Dialychone, Jasmineira and Paradialychone (Annelida: Polychaeta: Sabellidae) from Japan and adjacent waters, including four new species descriptions
FIGURE 8. Dialychone okudai sp. nov. A–B, dorsal and ventral views of anterior end of methyl green stained holotype. C, paratype NHM-ANEA.2009.15, thorax and base of crown, showing white glandular belt. D–I, SEM micrographs of chaetae and uncini. D, paleate chaetae from chaetiger 4. E, F, thoracic uncini from chaetiger 3 and 4. G, H, abdominal uncini from anterior chaetiger. I, abdominal uncini from the posterior chaetiger. Scale: 1 mm in A–C.
FIGURE 9 in Dialychone, Jasmineira and Paradialychone (Annelida: Polychaeta: Sabellidae) from Japan and adjacent waters, including four new species descriptions
FIGURE 9. Dialychone okudai sp. nov. A–C, ventral, lateral and dorsal views, respectively, anterior thorax of holotype. D–E, paratype NHM-ANEA.2009.15. D, radiolar tip. E, inner view of crown. F, thoracic narrowly hooded chaeta. G, paleate chaeta. H–I, thoracic uncini. J, abdominal uncinus from chaetiger 9. K, abdominal uncinus from last chaetiger. Abbreviations: aprl, anterior peristomial ring lobe; dl, dorsal lip; dpa, dorsal pinnular appendage; gg, glandular girdle. Scale: 1 mm in A–E, 25µm in F–K.
FIGURE 10 in Dialychone, Jasmineira and Paradialychone (Annelida: Polychaeta: Sabellidae) from Japan and adjacent waters, including four new species descriptions
FIGURE 10. Jasmineira kikuchii sp. nov. A–C, ventral, lateral, and dorsal views, respectively, anterior end of methyl green stained holotype. D–I, SEM micrographs of chaetae and uncini. D, thoracic paleate chaetae from chaetiger 3. E–F, thoracicuncini from chaetigers 3 and 4. G–H, abdominal uncini from the anterior abdominal chaetigers. I, abdominal uncini from the posterior chaetiger. Scale: 1 mm in A–C.
FIGURE 7 in Dialychone, Jasmineira and Paradialychone (Annelida: Polychaeta: Sabellidae) from Japan and adjacent waters, including four new species descriptions
FIGURE 7. Paradialychone katsuuraensis sp. nov. A–C, ventral, lateral (right side) and dorsal views, respectively, of the anterior end of the holotype. D, half of the crown showing palmate membrane. E, radiole. F, distal end of radiole. G, inner view of crown. H, posterior end. I, J, methyl green staining pattern of anterior thorax. K, thoracic limbate chaeta. L, thoracic narrowly hooded chaeta. M, thoracic uncinus. N, paleate chaeta. O, abdominal narrowly hooded chaeta. P, uncinus of chaetiger 9. Q, abdominal uncinus from the last chaetiger. Abbreviations: dl, dorsal lip; dpa, dorsal pinnular appendage; gg, glandular girdle; vl, ventral lip; w, top of palmate membrane. Scale: 1 mm in A–J, 25 µm in K–Q.
FIGURE 6 in Dialychone, Jasmineira and Paradialychone (Annelida: Polychaeta: Sabellidae) from Japan and adjacent waters, including four new species descriptions
FIGURE 6. Paradialychone katsuuraensis sp. nov. A, underwater in situ photo in a seagrass bed. B, living holotype and paratypes. C, methyl green stained holotype, ventral view. D, methyl green stained holotype, dorsal view. E, F, thoracic paleate chaetae. G, thoracic uncini. H, uncini of chaetiger 12. I, uncini of theposterior abdominal chaetiger.
FIGURE 3. Paradialychone cincta. A in Dialychone, Jasmineira and Paradialychone (Annelida: Polychaeta: Sabellidae) from Japan and adjacent waters, including four new species descriptions
FIGURE 3. Paradialychone cincta. A, dorsal view of thorax and anterior abdomen, methyl green staining pattern of collar. B, ventral view of thorax chaetigers, methyl green staining pattern of collar and ventral shields. C, inner margin of crown. D, paleate chaeta. E, thoracic uncinus. F–G, abdominal chaetae. H, abdominal uncinus. Abbreviations: dl, dorsal lip; vl, ventral lip; vra, ventral radiolar appendage. Scale: 1 mm in A–C, 25 µm in D–H.
FIGURE 2. Paradialychone cincta. A in Dialychone, Jasmineira and Paradialychone (Annelida: Polychaeta: Sabellidae) from Japan and adjacent waters, including four new species descriptions
FIGURE 2. Paradialychone cincta. A, methyl green staining pattern, dorsal view of thorax and base of crown. B, methyl green staining pattern, ventral view of thorax and crown. C, paleate chaeta. D, E, thoracic uncini. F, abdominal uncini from anterior chaetiger. G, abdominal uncini from posterior chaetiger.
FIGURE 4 in Dialychone, Jasmineira and Paradialychone (Annelida: Polychaeta: Sabellidae) from Japan and adjacent waters, including four new species descriptions
FIGURE 4. Paradialychone edomae sp. nov. A, methyl green stained holotype, dorsal view. B, methyl green stained holotype, ventral view. C–I, SEM micrographs of chaetae and uncini from paratype CMNH–ZW 1688. C–D, thoracic paleate chaetae. E–F, thoracic uncini. G, anterior abdominal uncini. H–I, posterior abdominal uncini. Scale: 1 mm in A–B.
FIGURE 11 in Dialychone, Jasmineira and Paradialychone (Annelida: Polychaeta: Sabellidae) from Japan and adjacent waters, including four new species descriptions
FIGURE 11. Jasmineira kikuchii sp. nov. A–B, ventral (A) and dorsal (B) views of the holotype. C, inner view of crown of the holotype. D, radiolar tip of the holotype. E, posterior chaetigers and anal segment, showing anal cirri, holotype. F–I, chaetae and unicini from the paratype CBM-ZW 1016. F, thoracic narrowly hooded chaeta. G, paleate chaeta. H, thoracic uncinus. I, abdominal uncinus. Abbreviations: gg, glandular girdle; dl, dorsal lip; vl, ventral lip; vra, ventral radiolar appendage. Scale: 1 mm in A -E, 20 µm in F–I.
FIGURE 5 in Dialychone, Jasmineira and Paradialychone (Annelida: Polychaeta: Sabellidae) from Japan and adjacent waters, including four new species descriptions
FIGURE 5. Paradialychone edomae sp. nov. A–C, dorsal, lateral and ventral views, respectively, of holotype thorax. D, radiolar tips, paratype CBM-ZW 1012. E, inner view of crown, paratype CBM-ZW 1012. F–J, chaetae and uncini, paratype CMNH-ZW 1688. F–G, thoracic narrowly hooded chaetae. H, thoracic uncinus. I, abdominal uncinus, chaetiger 9. J, abdominal uncinus from most posterior chaetiger. Abbreviations: aprl, anterior peristomial ring lobe; gg, glandular girdle; vl, ventral lip; vpa, ventral pinnular appendage. Scales 1 mm in A–E, 25µm in F–J.
FIGURE 1. Jasmineiricola mackiei n. gen. et n in A new genus and family of copepods (Crustacea: Copepoda) parasitic on polychaetes of the genus Jasmineira Langerhans, 1880 (family Sabellidae) in the northeastern Atlantic
FIGURE 1. Jasmineiricola mackiei n. gen. et n. sp. Adult female paratypes. A, Habitus, ventral; B, Habitus, dorsal; C, Oral processes and maxillipeds, ventral view; D, Maxilliped; E, Schematic of host polychaete containing three embedded females, view from left side; F, Developing adult female (arrowed in Fig. 1E), not exhibiting torsion between endosoma and ectosoma, ventral view. Scale bars A, B, F = 200 µm, C = 50 µm, D = 25 µm, E = 0.5 mm.
FIGURE 5 in A new genus and family of copepods (Crustacea: Copepoda) parasitic on polychaetes of the genus Jasmineira Langerhans, 1880 (family Sabellidae) in the northeastern Atlantic
FIGURE 5. Frequency distribution showing number of Jasmineiricola mackiei n. gen. et n. sp. per infected host (N = 58). Vertical axis, number of infected Jasmineira, horizontal axis, number of parasites per infected host.
FIGURE 4. Jasmineiricola mackiei n. gen. et n in A new genus and family of copepods (Crustacea: Copepoda) parasitic on polychaetes of the genus Jasmineira Langerhans, 1880 (family Sabellidae) in the northeastern Atlantic
FIGURE 4. Jasmineiricola mackiei n. gen. et n. sp. Scanning electron micrographs of ectosomas of adult females. A, Ectosomas of two females from Figure 3A; B, Ectosoma of ovigerous female, dorsal view showing shallow cuticular folds; C, Posterior surface of ectosoma showing anus and egg sac emerging from genital aperture; D, Detail of anus on anal prominence, and showing cuticular ornamentation of ridges and pores on postero-dorsal surface. Scale bars A = 200 µm, B = 50 µm, C–D = 20 µm.
FIGURE 3. Jasmineiricola mackiei n. gen. et n in A new genus and family of copepods (Crustacea: Copepoda) parasitic on polychaetes of the genus Jasmineira Langerhans, 1880 (family Sabellidae) in the northeastern Atlantic
FIGURE 3. Jasmineiricola mackiei n. gen. et n. sp. Scanning electron micrographs of adult females on host. A, Entire host showing ectosomas of two embedded females located in setigers 2 and 3; B, Anterior end of host showing ectosoma of female bearing paired uniseriate egg sacs (incomplete). Scale bars A = 0.5 mm, B = 200 µm.
FIGURE 2. Jasmineiricola mackiei n. gen. et n in A new genus and family of copepods (Crustacea: Copepoda) parasitic on polychaetes of the genus Jasmineira Langerhans, 1880 (family Sabellidae) in the northeastern Atlantic
FIGURE 2. Jasmineiricola mackiei n. gen. et n. sp. Adult female paratypes examined using Micro-CT. A, Anterior end of host showing ovigerous Jasmineiricola female embedded in setiger 2, with developing eggs visible within lateral lobes; B, Same, showing outline of cement glands within ectosoma; C, Entire host showing location of embedded Jasmineiricola female within host. Scale bars A–B = 100 µm, C = 1mm.
FIGURE 10. Jasmineira gustavoi n in A taxonomic guide to the fanworms (Sabellidae, Annelida) of Lizard Island, Great Barrier Reef, Australia, including new species and new records
FIGURE 10. Jasmineira gustavoi n. sp., scanning electron micrographs. A. Radiolar crown broken at abscission plane and collar with anterior margin crenulated and midventral incision; B. Same, dorsal view, with dorsal collar margins fused to faecal groove; C. Same lateral view, glandular ridge on chaetiger 2 visible (arrow); D. Frontal view of radiolar crown showing the abscission plane and anterior margin of collar crenulated; E. Collar chaetae narrowly hooded; F. Midthoracic parapodium with narrowly-hooded superior chaetae, paleate inferior chaetae with long mucro and an additional anterior row of bayonet chaetae (arrow); G. Detail of inferior thoracic chaeta; H. Thoracic uncini with more than five rows of teeth diminishing in size distally, covering half the length of main fang. I. Same, top view; J. Midabdominal chaetae, narrowly-hooded; K. Midabdominal uncini with five rows of similar-sized teeth, occupying half the length of main fang; L. Posterior abdominal chaetiger and pygidium, with a pygidial cirrus.
FIGURE 9. Jasmineira gustavoi n in A taxonomic guide to the fanworms (Sabellidae, Annelida) of Lizard Island, Great Barrier Reef, Australia, including new species and new records
FIGURE 9. Jasmineira gustavoi n. sp. A–B. Live specimen. A. Whole individual, lateral view; B. Detail of anterior end, showing conspicuous peristomial eyes; C. Preserved specimen, with a clear abscission plane, where radioles detach deliberately from the base of crown; D–F. Specimen stained with methyl blue; D. Anterior end, ventral view, showing anterior margin of collar incision and transverse divisions of segments, glandular ridge on chaetiger 2 is visible (arrow); E: Same, dorsal view, showing collar margins fused to faecal groove; F. Posterior end, ventrolateral view; G. Thoracic chaetae, superior narrowly-hooded, inferior broadly-hooded; H. Thoracic uncini acicular, with rows of teeth above main fang for half its length; I. Anterior abdominal uncini avicular, with long necks, and with rows of teeth; J. Drawing, anterior abdominal uncinus; K. Drawing, posterior abdominal uncinus. Photographs: D–F by Eunice Wong.
FIGURE 4 in Jasmineira filatovae Levenstein, 1961, the deepest known sabellid is a Potamethus Chamberlin, 1919: redescription, new combination and generic emendation
FIGURE 4. Light microscopy of thoracic chaetae of paralectotypes of Potamethus filatovae (Levenstein, 1961) n. comb. A) Collar chaetiger, B) narrowly hooded chaetae from collar, C) paleate chaetae, D) chaetiger 3, E) paleate chaetae.
FIGURE 7 in Jasmineira filatovae Levenstein, 1961, the deepest known sabellid is a Potamethus Chamberlin, 1919: redescription, new combination and generic emendation
FIGURE 7. Light microscopy images of thoracic and abdominal chaetae of Potamethus malmgreni (Hansen, 1878) from the Norwegian Sea. A) Collar chaetiger, B) close up of collar chaetae, C–E) thoracic uncini and companion chaetae from chaetiger 4, F) thoracic chaetiger 5, G) superior thoracic elongate, narrowly hooded chaetae from chaetiger 5, H) inferior paleate chaetae from chaetiger 5, I) abdominal chaetiger 6, J, K) abdominal uncini from chaetiger 4, L) detail of inferior group of abdominal chaetae from chaetiger 6. Scale bars: A) 100 µm, rest not to scale.
FIGURE 1 in Jasmineira filatovae Levenstein, 1961, the deepest known sabellid is a Potamethus Chamberlin, 1919: redescription, new combination and generic emendation
FIGURE 1. Potamethus filatovae (Levenstein, 1961) n. comb., lectotype stained with methylene blue. A) Peristomial moldures and first three thoracic chaetigers, dorsal view, B) collar and base of radiolar crown, ventral view, C) base of radiolar crown, peristomium and first three thoracic chaetigers, lateral view, D) thorax, ventral view, E) mid-abdominal segments, ventral view, F) posterior end, dorsal view, G) distal ends of radioles. Abbreviations: apr—anterior peristomial ring, fg—faecal groove switch, pl—parallel lamella, pm)—peristomial moldure, vs—ventral sacs, vsc—ventral shield of collar. Numbers: 1, 2, 3 …—number of chaetigers. Scale bars: A–C, F) 500 um, D) 2 mm, E) 1 mm, G) 2.5 mm. White arrow and asterisk in B points to the incised mid-ventral margin of collar.
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