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91 results for “Scalibregmatidae”
FIGURE 4. Scalibregma australis 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 4. Scalibregma australis n. sp. SEMS of post-larvae and juveniles from Sta. NBP-35: A, 10-setiger post-larva, left lateral view; B, short spinous setae and capillaries from setiger 1; C, 16-setiger post-larva, ventral view; D, 15-setiger postlarva, lateral view; E, 18-setiger juvenile, dorsal view; F, 20-setiger juvenile, right lateral view; G, same, detail of prostomium, peristomium, and setigers 1‒3; H, 22-setiger juvenile, right lateral view; I, 26-setiger juvenile, right lateral view; J, same, detail of prostomium, peristomium, and setigers 1‒5 showing development of branchiae on setigers 2‒5; K, same, detail of setigers 2‒4, showing early development of branchiae; L, same specimen showing short spinous setae and capillaries from setiger 1; M, two lyrate setae and a single short spinous seta (arrow) from setiger 4 from 24-setiger juvenile.
FIGURE 2. Scalibregma australis 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 2. Scalibregma australis n. sp. Paratypes Sta. NBP-01 (LACM AHF Poly 7001): A, anterior end, ventral view; B, setiger 4, right side, anterior view; C, mid-body setiger, left side, anterior view; D, posterior setiger, left side, anterior view; E, short spinous setae from setiger 1; F, lyrate seta from middle body segment; G, pygidium, ventral view. Abbreviations: aC, anal cirri; br, branchiae; dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; per, peristomium; pr, prostomium; pyg, pygidium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove. Numbers 1, 2, & 3 denote three rings of the peristomium.
FIGURE 6 in First record of Oligobregma Kudenov & Blake, 1975 (Annelida: Polychaeta: Scalibregmatidae Malmgren, 1867) from Brazil with the description of three new species
FIGURE 6. Oligobregma bakkeni sp. nov. Holotype line drawings. A. Anterior body in dorsal view. B. Acicular spine on chaetiger 4. C. Acicular spine on chaetigers 1–3. D. Lyrate chaeta. E. Midbody parapodium in anterior view. F. Posterior parapodium in anterior view. Abbreviations: dC = Dorsal cirrus; Hor = Prostomial horn; iP = Interramal papilla; NuO = Nuchal organ; Pe = Peristomium; Pro = Prostomium; vC = Ventral cirrus.
FIGURE 5 in First record of Oligobregma Kudenov & Blake, 1975 (Annelida: Polychaeta: Scalibregmatidae Malmgren, 1867) from Brazil with the description of three new species
FIGURE 5. Oligobregma cruzae sp. nov. Paratype (A-E) and Holotype (F-H) in optical microscopy stained with Shirlastain A. A. Acicular spines on chaetigers 1–3 in detail. B. Acicular spines on chaetigers 2–4 in detail, with transitional spines on chaetiger.
FIGURE 1 in First record of Oligobregma Kudenov & Blake, 1975 (Annelida: Polychaeta: Scalibregmatidae Malmgren, 1867) from Brazil with the description of three new species
FIGURE 1. Holotype of Oligobregma nonatoi sp. nov. line drawings. A. Anterior body in ventral view. B. Acicular spine. C. Lyrate chaeta. D. Midbody parapodium in anterior view. Abbreviations: dC = Dorsal cirrus; Hor = Prostomial horn; iP = Interramal papilla; Pe = Peristomium; Pro = Prostomium; vC = Ventral cirrus.
FIGURE 2 in First record of Oligobregma Kudenov & Blake, 1975 (Annelida: Polychaeta: Scalibregmatidae Malmgren, 1867) from Brazil with the description of three new species
FIGURE 2. Oligobregma nonatoi sp. nov. Holotype in optical microscopy stained with Shirlastain A. A. Anterior region in ventral view. B. Anterior region in dorsal view. C. Acicular spines on notopodia of chaetigers 1–3. D. Acicular spines on notopodia of chaetigers 2–4, with chaetiger 4 presenting transitional acicular spines. E. Lateral view of midbody parapodia, when parapodial lobes emerge. F. Mid-body parapodia in anterior view. G. Interramal papillae. H. Lyrate chaeta. I. Dorsal cirri with tubular glands. J. Ventral cirrus with tubular glands. K. posterior end. Abbreviations: As = Acicular spine; dC = Dorsal cirrus; iP = Interramal papillae; Ly = Lyrate chaeta; Nel = Neuropodial lobe; Nol = Notopodial Lobe; Pg = Pygidium; Vg = Ventral groove.
FIGURE 3 in First record of Oligobregma Kudenov & Blake, 1975 (Annelida: Polychaeta: Scalibregmatidae Malmgren, 1867) from Brazil with the description of three new species
FIGURE 3. SEM of Oligobregma nonatoi sp. nov. specimen A. Anterior body in ventral view. B. Acicular spines. C. Lyrate chaeta. Abbreviations: As = Acicular spines; iA = Intermediate annulation; Pe = Peristomium; plA = Parapodial lobe's annuli; Pr = Prostomium; 1stPd = Ventral groove first pad; 2ndPd = Ventral groove second pad.
FIGURE 7 in First record of Oligobregma Kudenov & Blake, 1975 (Annelida: Polychaeta: Scalibregmatidae Malmgren, 1867) from Brazil with the description of three new species
FIGURE 7. Oligobregma bakkeni sp. nov. Holotype in optical microscopy. A. Anterior body in dorsal view. B. Anterior body in ventro-lateral view. C. Posterior body parapodium in anterior view. D. Acicular spines from chaetiger 1–2. E. Acicular spine from chaetiger 4. F. Lyrate chaetae. Abbreviations: As = Acicular spine; dC = Dorsal cirrus; iP = Interramal papillae; Ly = Lyrate chaeta; Nel = Neuropodial lobe; No = Nuchal organ; Nol = Notopodial Lobe; Pb = Proboscis; Pro = Prostomium; vC = Ventral cirrus.
FIGURE 4 in First record of Oligobregma Kudenov & Blake, 1975 (Annelida: Polychaeta: Scalibregmatidae Malmgren, 1867) from Brazil with the description of three new species
FIGURE 4. Oligobregma cruzae sp. nov. Paratype line drawings. A. Anterior body in dorsal view. B. Posterior body parapodium in anterior view. C. Acicular spine from chaetigers 1–2. D. Acicular spine from chaetigers 3–4. E. Lyrate chaeta. Abbreviations: dC = Dorsal cirrus; Hor = Prostomial horn; iP = Interramal papilla; Pe = Peristomium; Pro = Prostomium; vC = Ventral cirrus.
FIGURE 2 in Unravelling the diversity of Scalibregma Rathke, 1843 (Annelida: 'Polychaeta': Scalibregmatidae) from southeast Brazilian coast
FIGURE 2. Scalibregma cinthyae sp. nov. SEM. A. Dorsal view of anterior region. B. Curved acicular spines from chaetiger 1, along with two rows of longer and slender capillaries. C. Lyrate chaetae with equal tynes detailing the length of each tine. D. Lyrate chaetae with equal tynes, detailing its internal ornamentation, composed by fine bristles. E. Section of mid-body chaetiger in posterior view. Abbreviations: Br = Branchiae; dC = Dorsal cirri; Ip = interramal papilla; Per = Peristomium; preL = Prechaetal lamellae; Pro = Prostomium; vC = Ventral cirri; 1stR = First row of capillaries; 2ndR = second row of capillaries. Scale bars: A = 100 µm; B = 10 µm; C = 5 µm; D = 5 µm; E = 100 µm.
FIGURE 1 in Unravelling the diversity of Scalibregma Rathke, 1843 (Annelida: 'Polychaeta': Scalibregmatidae) from southeast Brazilian coast
FIGURE 1. Scalibregma cinthyae sp. nov. illustration. A. Ventral view of anterior region. B. Section of parapodium from chaetiger 2, in posterior view. C. Curved acicular spine from chaetiger 1. D. Lyrate chaeta with equal tynes. E. Parapodium of midbody region in posterior view. F. Parapodium of posterior region in posterior view. G. Parapodium of posterior region in posterior view. Abbreviations: Br = Branchiae; dC = Dorsal cirri; ILr1 = Inferior lip's first row of paired lobes; ILr2 = Inferior lip's second row of paired lobes; iP = interramal papilla; uLr1 = Upper lip's first row of paired lobes; uLr2 = Upper lip's second row of paired lobes; vC = Ventral cirri. Scale bars: A = 200µm; B = 80µm; C = 10µm; D = 8µm; E, F, G = 90µm.
FIGURE 4 in Unravelling the diversity of Scalibregma Rathke, 1843 (Annelida: 'Polychaeta': Scalibregmatidae) from southeast Brazilian coast
FIGURE 4. Scalibregma lanai sp. nov. under SEM. A. dorsolateral view of anterior region. B. Acicular spines from chaetiger 1. C. First and second chaetigers in detail, both in anterior view. D. Lyrate chaetae with equal tynes, ornamented internally with fine bristles. E. Pygidium. Abbreviations: Hor = Horns; Per = Peristomium; Pg = Pygidium; PreL = Prechaetal lamellae; Pro = Prostomium; Sc = Spinous chaetae; 1stR = First row of capillaries; 2ndR = second row of capillaries. Scale bars: A = 100 µm; B = 5 µm; C = 50 µm; D = 5 µm; E = 50 µm.
FIGURE 4. AB in Three new species of the genus Oligobregma (Polychaeta, Scalibregmatidae) from the Scotia and Weddell Seas (Antarctica)
FIGURE 4. AB. Oligobregma quadrispinosa sp. nov. A. median parapodium; B. posterior parapodium.
Figure 2 in New Species of Scalibregmatidae (Annelida) from Slope and Abyssal Depths off Eastern Australia
Figure 2. Asclerocheilus abyssalis sp. nov. (A) Setiger 2, anterior view; (B–D) acicular spines and short spinous setae from setiger 2; (E) posterior notopodium, anterior view; (F, G), Furcate setae. A–E paratype (AM W.52703); F–G, paratype (AM W.52704).
Figure 13 in New Species of Scalibregmatidae (Annelida) from Slope and Abyssal Depths off Eastern Australia
Figure 13. Pseudoscalibregma glandipodium sp. nov. Holotype (AM W.52697): (A) entire worm, dorsal view; (B) anterior end, dorsal view; (C) anterior end, ventral view; (D) posterior parapodium anterior view; (E) detail of dorsal cirrus from posterior parapodium, arrows indicate internal gland cells; (F) furcate seta. All stained with Shirlastain A.
Figure 8 from: Wiklund H, Neal L, Glover AG, Drennan R, Rabone M, Dahlgren TG (2019) Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Capitellidae, Opheliidae, Scalibregmatidae and Travisiidae. ZooKeys 883: 1-82. https://doi.org/10.3897/zookeys.883.36193
Figure 8 Ammotrypanella kersteni sp. nov. holotype (specimen NHM_254). A Lab images, whole specimens, dorsal (upper) and ventral (lower) B Lab image, anterior C Lab image, detail of palpode D Lab image, mid-body parapodia (p = parapodium) E Lab image, detail of parapodium F Lab image, posterior and anal funnel. Morphological features in plates B, D, F have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 2 mm (A); 1 mm (B, D, F); 100 μm (C, E).
Figure 6 from: Wiklund H, Neal L, Glover AG, Drennan R, Rabone M, Dahlgren TG (2019) Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Capitellidae, Opheliidae, Scalibregmatidae and Travisiidae. ZooKeys 883: 1-82. https://doi.org/10.3897/zookeys.883.36193
Figure 6 Ammotrypanella keenani sp. nov. A Lab images, whole specimens (holotype [specimen NHM_1250], post-staining, faded stain [left], paratype NHM_1871, unstained [right]) B Live images, whole specimens (holotype [left], paratype NHM_1871 [right]) C Lab image, prostomium (paratype NHM_1871, damaged, no = everted nuchal organ) D Lab image, prostomium (holotype, p = palpode) E Lab image, detail of palpode (holotype) F Lab image, posterior branchiae (paratype NHM_1871, br = branchiae) G Lab image, posterior branchiae (holotype, br = branchiae) H Live image, anterior (paratype NHM_1871, pp = parapodia, no = nuchal organ) I Lab image, detail of capillary chaetae (holotype) J Lab image, detail of anal funnel, ventro-distal (left) and latero-distal (right) views (holotype, stained, cp = cushioned pad, vc = ventral cirrus). Morphological features in plates C–H, J have been outlined with a fine white line to improve clarity of those features. Scale bars: 1 mm (A, F,G); 100 μm (E, I).
Figure 5 from: Wiklund H, Neal L, Glover AG, Drennan R, Rabone M, Dahlgren TG (2019) Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Capitellidae, Opheliidae, Scalibregmatidae and Travisiidae. ZooKeys 883: 1-82. https://doi.org/10.3897/zookeys.883.36193
Figure 5 Ammotrypanella arctica holotype (BMNH 1921.12392). A Whole specimen (fragmented) B Anterior-most fragment C Posterior-most fragment. Scale bars: 1 mm (A, B, C).
Figure 31 from: Wiklund H, Neal L, Glover AG, Drennan R, Rabone M, Dahlgren TG (2019) Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Capitellidae, Opheliidae, Scalibregmatidae and Travisiidae. ZooKeys 883: 1-82. https://doi.org/10.3897/zookeys.883.36193
Figure 31 Comparison between Travisia sp. NHM_1244 and Travisia zieglerae sp. nov., and holotypes of Travisia glandulosa (BMNH 1921.5.1.2431) and Travisia gravieri (BMNH 1921.5.1.2429). A Lab images, whole specimens (Travisia sp. NHM_1244 specimen NHM_1863 [left], Travisia zieglerae sp. nov. holotype [specimen NHM_1431] [right], stained,) B Lab images, comparison of prostomia (Travisia sp. NHM_1244 specimen NHM_1863 [left], Travisia zieglerae sp. nov. holotype [right], stained) C Lab images, comparison of pygidia (Travisia sp. NHM_1244, specimen NHM_1863 [left], Travisia zieglerae sp. nov. holotype [right], stained) DTravisia glandulosa holotype, with detail of pygidium ETravisia gravieri holotype, with detail of pygidium. Morphological features in plates C–E have been outlined with a very fine white line to improve clarity of those features. Scale bars: 1 mm (A, D, E).
Figure 27 from: Wiklund H, Neal L, Glover AG, Drennan R, Rabone M, Dahlgren TG (2019) Abyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Capitellidae, Opheliidae, Scalibregmatidae and Travisiidae. ZooKeys 883: 1-82. https://doi.org/10.3897/zookeys.883.36193
Figure 27 Oligobregma whaleyi sp. nov. holotype (specimen NHM_822). A Lab (upper) and live (lower) images, whole specimens [lab image] B Lab image, mid-body segments and annulation C Lab image, ventral midbody (vm = ventral midline) D Live (left) and lab (right) images of prostomium (pe = peristomial ring, h = prostomial horns) E Lab images, midbody and posterior parapodia, chaetigers 15 (left) and 24 (right) (dc = dorsal cirrus, vc = ventral cirrus, ip = interramal papilla) F Lab image, detail of dorsal cirrus and internal gland (dc = dorsal cirrus, ig = internal gland) G Lab image, detail of notopodial spines on chaetiger 1 H Lab image, detail of capillary chaetae (lc = lyrate chaetae) I Lab image, detail of lyrate chaetae. Morphological features in plates B–D, F, G, H have been outlined with a fine white or black line to improve clarity of those features. Scale bars: 1 mm (A); 100 μm (F–H); 50 μm (I).
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