Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
20
datasets available to search
ShareScore release 0.9.0
Dataset results
20 results for “Oligobregma”
FIGURE 1. AE in Three new species of the genus Oligobregma (Polychaeta, Scalibregmatidae) from the Scotia and Weddell Seas (Antarctica)
FIGURE 1. AE. Oligobregma blakei sp. nov. — holotype (ZMH). A. entire animal, lateral view; B. anterior segments, dorsal view; C. posterior parapodium; D. acicular spine; E. furcate chaeta.
FIGURE 2. AE in Three new species of the genus Oligobregma (Polychaeta, Scalibregmatidae) from the Scotia and Weddell Seas (Antarctica)
FIGURE 2. AE. Oligobregma pseudocollare sp. nov. A. anterior and median part; B. everted proboscis; C. posterior parapodium; D. acicular spine; E. furcate chaeta.
FIGURE 3. AD in Three new species of the genus Oligobregma (Polychaeta, Scalibregmatidae) from the Scotia and Weddell Seas (Antarctica)
FIGURE 3. AD. Oligobregma quadrispinosa sp. nov. A. entire animal, dorsal view; B. anterior segments with everted proboscis, dorsal view; C. acicular spine; D. furcate chaeta.
FIGURE 9. Oligobregma mucronata 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 9. Oligobregma mucronata n. sp. Photomicrographs: A, holotype, Sta. NBP-21 (LACM-AHF Poly 7013), anterior half of body in ventral view; B, posterior parapodium, anterior view; C, same parapodium, detail of dorsal cirrus and internal glands; D, same parapodium, detail of ventral cirrus and internal glands; E‒I, developmental series of the prostomium (E, Sta. NBP-18, 20 setigers, 2.4 mm long; F, Sta.NBP-21, 22 setigers, 2.8 mm long; G, Sta. NBP-04, 24 setigers, 3.0 mm long; H, Sta. NBP-13, 28 setigers, 4.0 mm long; I, Sta. NBP-21, 30 setigers, 9.5 mm long); J, sperm packets from specimen from Sta. NBP- 20; K, capillaries and lyrate setae from a posterior notopodium from Sta. NBP-21. Abbreviations: dC, dorsal cirrus, vC, ventral cirrus.
FIGURE 8. Oligobregma mucronata 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 8. Oligobregma mucronata n. sp. Paratypes, Sta. NBP-21 (LACM-AHF-Poly 7014): A, anterior end, dorsal view; B, anterior end, ventral view; C, large notopodial spines from setiger 2; D, lyrate seta from posterior setiger; E, posterior parapodium, anterior view; F, pygidium, dorsal 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.
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.
FIGURE 1. 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 1. Scalibregma australis n. sp. SEMs from Sta. NBP 29: A, anterior end, dorsal view; B, same specimen showing details of prostomium, peristomium, and setiger 1; C, anterior end of another specimen, right lateral view; D, posterior end, right lateral view; E, parapodia from posterior setigers, right lateral view; F, notosetae from setiger 1, with anterior row of short spinous setae (arrows) and three rows of capillaries; G, detail of two short neuropodial spinous from setiger 1 and bases of two capillaries with numerous short bristles or fibril endings; H, four lyrate neurosetae from setiger 2; I, same, detail of a single lyrate seta with plate-like bristles along interior margin of tynes. Abbreviations: br, branchiae; dC, dorsal cirrus, frH, frontal horn, intP; interramal papilla; lL, lower lip of mouth; mo, mouth; neP, neuropodium; noP, notopodium; per, peristomium; pr, prostomium; pyg, pygidium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove.
FIGURE 3. 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 3. Scalibregma australis n. sp. Photomicrographs of Paratypes Sta. NBP-01 (LACM-AHF Poly 7001): A, anterior end, dorsal view; B, anterior end, ventral view; C, entire animal, ventral view; D‒E, dorsal cirri from middle (D) and posterior (E) parapodia showing internal glands; F‒G, ventral cirri from middle (F) and posterior (G) parapodia showing internal glands; H, oocytes, from parts of ovaries; I‒L, oocytes in different stages of maturation; M, sperm packet with sperm nuclei and flagella visible. Abbreviations: dC, dorsal cirrus, vC, ventral cirrus; vG, ventral groove.
FIGURE 5. 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 5. Scalibregma australis n. sp. Photomicrographs of post-larvae and juveniles: A‒F, developmental series of the prostomium (A, 16 setigers; B, 17 setigers; C, 20 setigers; D, 22 setigers, E, 28 setigers; F, 30 setigers); G‒I, developmental series of the pygidial cirri (G, 20 setigers; H, 18 setigers; I, 28 setigers with pigmented glands in dorsal cirri); J‒L, changes in body shape, narrowing of posterior end (J, 18 setigers; K, 20 setigers; L, 22 setigers with pigmented glands in dorsal cirri); M, anterior, 28-setiger specimen; N, 30-setiger juvenile, ventral view showing development of the upper and lower lips of the mouth, branchiae, gland on setiger 4, and ventral ridge line. Abbreviations: br, branchiae; gL, gland, lL, lower lip of mouth; pr, prostomium; uL, upper lip of mouth.
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 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.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.