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9 results for “Pseudoscalibregma”
FIGURE 7 in Occurrence and distribution of Pseudoscalibregma and Scalibregma (Annelida, Scalibregmatidae) in the deep Nordic Seas, with the description of Scalibregma hanseni n. sp.
FIGURE 7. Present study records of Pseudoscalibregma parvum (A), Scalibregma inflatum (B), and Scalibregma hanseni n. sp. (C) from deep areas of the Nordic Seas.
FIGURE 3. Pseudoscalibregma parvum. A. Chaetiger 1 in Occurrence and distribution of Pseudoscalibregma and Scalibregma (Annelida, Scalibregmatidae) in the deep Nordic Seas, with the description of Scalibregma hanseni n. sp.
FIGURE 3. Pseudoscalibregma parvum. A. Chaetiger 1, notopodium, anterior view, with small bifurcate spines in front row of chaetae. B. Close up of A, showing bifurcate spines. C. Chaetiger 1, notopodium, anterior view, with furcate chaetae. D. Chaetiger 1 neuropodium anterior view. E. Chaetiger 3, neuropodium, anterior view. F. Chaetiger 3, neuropodium, furcate chaetae in front row. G. Posterior chaetiger (fourth from pygidium), ventral view. H. Light microscope photo, phase contrast, of furcate chaetae from dorsal part of notopodium, chaetiger 9. A–B, D–H specimen from close to type locality, Sta. OL-11; C specimen from west of the Bear Island, Sta. R405-59, RP. Scale bars: A, C–G: 10 µm, H: 50 µm.
FIGURE 2. Pseudoscalibregma parvum. A. Habitus SEM photo, dorsal view. B. Habitus SEM photo, ventral view. C. Prostomium dorsal view. D. Anterior end with everted proboscis. E in Occurrence and distribution of Pseudoscalibregma and Scalibregma (Annelida, Scalibregmatidae) in the deep Nordic Seas, with the description of Scalibregma hanseni n. sp.
FIGURE 2. Pseudoscalibregma parvum. A. Habitus SEM photo, dorsal view. B. Habitus SEM photo, ventral view. C. Prostomium dorsal view. D. Anterior end with everted proboscis. E. Ventral view of pygidium. F. Chaetiger 1, right parapodium, anterior view. G. Chaetigers 13–16, dorsal view. H. Chaetigers 21–23, posterior view, showing neuropodial lobe and ventral cirri, left side. A–C, E–G specimen from close to type locality, Sta. OL-12, D, H specimens from west of the Bear Island, Sta. R405-59B, RP. Scale bars: A–B: 1 mm, C–H: 200 µm.
FIGURE 1. Pseudoscalibregma parvum. A in Occurrence and distribution of Pseudoscalibregma and Scalibregma (Annelida, Scalibregmatidae) in the deep Nordic Seas, with the description of Scalibregma hanseni n. sp.
FIGURE 1. Pseudoscalibregma parvum. A. Complete specimen, dorso-lateral view. B. Photo of lectotype, with proboscis everted. C. Left parapodium from chaetiger 9, posterior view. D. Left parapodium from chaetiger 20, posterior view. B from ZMBN 94015. A, C–D Specimen from close to type locality Sta. OL-11. Scale bars: A–B: 2 mm, C–D 0.5 mm.
FIGURE 5. Scalibregma hanseni n in Occurrence and distribution of Pseudoscalibregma and Scalibregma (Annelida, Scalibregmatidae) in the deep Nordic Seas, with the description of Scalibregma hanseni n. sp.
FIGURE 5. Scalibregma hanseni n. sp. Body structures. A. Prostomium and anterior chaetigers, dorsal view. B. Pygidium. C. Notopodia of chaetigers 3–5, with branchiae. D. Notopodium of chaetiger 4, with branchia, dorsal view. E. Middle body, chaetigers 6–18. F. Posterior body, ventral view. G. Posterior parapodium with interramal sense organ. H. Close-up of sense organ. A, B, C from paratype, ZMBN 94020, D specimen from Jan Mayen Sta. 86.07.27.2. E, G–H specimen from Norwegian continental slope, Sta. 85.01.08.1. F specimen from Norwegian continental slope, Sta. 83.06.17.3. Scale bars: A–B, E–F: 200 µm; C– D, G–H: 20 µm.
FIGURE 4. Scalibregma hanseni n in Occurrence and distribution of Pseudoscalibregma and Scalibregma (Annelida, Scalibregmatidae) in the deep Nordic Seas, with the description of Scalibregma hanseni n. sp.
FIGURE 4. Scalibregma hanseni n. sp. A. Paratype, ZMBN 94019. B. Holotype, ventral view, ZMBN 94016. C. Left parapodium of chaetiger 10, posterior view. D. Left parapodium of chaetiger 21, posterior view. E. Close-up microphoto of dorsal cirrus with internal glandular structure, parapodium 21. F. Posterior end and pygidium with anal cirri. A from paratype, type locality, ZMBN 94019, and C–E from ZMBN 94021 Sta. R351-356. F specimen from Norwegian continental slope Sta. 84.05.23.1. Scale bars: A–B: 2 mm, C–D: 200 µm, E: 50 µm, F: 0.5 mm.
FIGURE 6. Scalibregma hanseni n in Occurrence and distribution of Pseudoscalibregma and Scalibregma (Annelida, Scalibregmatidae) in the deep Nordic Seas, with the description of Scalibregma hanseni n. sp.
FIGURE 6. Scalibregma hanseni n. sp. A. Parapodia of chaetigers 1 and 2, with capillary chaetae and blunt spines, anteroventral view. B. Close-up of notopodium of chaetiger 1. C. Close-up of notopodium of chaetiger 2. D. Notopodium of chaetiger 3, with capillary and furcate chaetae. E. Notopodium of chaetiger 4, with capillary and furcate chaetae. F. Microphoto, phase contrast, of furcate chaetae, neuropodium 20. A-D from paratype, ZMBN 94018, E specimen from Norwegian continental slope, Sta. 85.01.08.1, F from paratype, type locality, ZMBN 94021. Scale bars: A–E: 20 µm, F: 50 µm.
FIGURE 7. Pseudoscalibregma palmeri n in New species of Scalibregmatidae (Annelida, Polychaeta) from the East Antarctic Peninsula including a description of the ecology and post-larval development of species of Scalibregma and Oligobregma
FIGURE 7. Pseudoscalibregma palmeri n. sp. Photomicrographs of holotype, Sta. NBP-03 (LACM-AHF-Poly 7009): A, anterior and middle body segments, dorsal view; B, anterior end, ventral view; C, posterior parapodium, posterior view; D, same, detail of dorsal cirrus; E, same, detail of ventral cirrus. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; neP, neuropodium; noP, notopodium; vC, ventral cirrus.
FIGURE 6. Pseudoscalibregma palmeri n in New species of Scalibregmatidae (Annelida, Polychaeta) from the East Antarctic Peninsula including a description of the ecology and post-larval development of species of Scalibregma and Oligobregma
FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP-03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger.—Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove.
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