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419 results for “Octocorals”
FIGURE 38 in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 38. Scleracis guadalupensis (preserved specimen, USNM 61244): A, sclerites; a) large spindles from outer coenenchyme; b) small coenenchymal spindles; c) small rods from anthocodia (scale bar for a = 0.5 mm; b = 0.1 mm; c = 0.05 mm); B, stem section, showing calyces and large spindles in the coenenchyme (scale bar = 1 mm); C, branches.
FIGURE 14. a in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 14. a) Telesto sanguinea colony, daughter polyps indicated; b) Scleranthelia rugosa, encrusting, ribbon-like stolon indicated (from Bayer, 1981a).
FIGURE 16. a in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 16. a) Virgularia presbytes; b) Sclerobelemnon theseus; c) dorsal streak of Virgularia presbytes; d) scale sclerites of Sclerobelemnon theseus; e) polyps of Stylatula elegans, needle sclerites indicated (modified from Bayer, 1958).
FIGURE 15. a in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 15. a) Pseudodrifa nigra; b) Nidalia occidentalis (from Bayer, 1961); c) Bellonella rubistella.
FIGURE 13. a, b in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 13. a, b) Leptogorgia cardinalis spindles; c) Leptogorgia virgulata spindle; d) Leptogorgia hebes capstan; e) Leptogorgia punicea capstan; f) Leptogorgia cardinalis rod; g) Leptogorgia hebes rod; h, i) disc spindles of Leptogorgia setacea; j) cross-section of gorgoniid branch, unloculated axis indicated; k) hemispherical polyp mounds of Leptogorgia euryale; l) branch of Leptogorgia setacea with no polyp mounds.
FIGURE 5. Pennatulaceans A in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 5. Pennatulaceans A, Renilla reniformis and B, Sclerobelemnon theseus, indicating the rachis (Ra), autozooids (Au), and peduncle (Pe) (scale bar = 1 cm).
FIGURE 11. a in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 11. a) Longitudinal section of gorgoniid branch, horny axis with hollow, cross-chambered central core indicated; b, b') cross section of plexaurid branch, horny axis (b) and hollow core (b') indicated; c) cross-section of ellisellid branch, highly calcified axis indicated. Illustration a from Bayer, 1961; illustrations b and c modified from images in Fabricus and Alderslade, 2001).
FIGURE 12. a in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 12. a) Scleracis guadalupensis spindle; b) Thesea nivea spindle and c) double head; d) Bebryce parastellata cup-shaped sclerite and e) knobbed plate; f) Bebryce cinerea knobbed plate; g, h) Paramuricea sp. thornscales; i) crosssection of plexaurid branch, loculi within axis indicated; j) Scleracis guadalupensis conical calyces; k) Bebryce parastellata cylindrical calyces; l) Muricea pendula shelf-like calyx. Illustrations d and e modified from images by S. Cairns/ Smithsonian Institution; illustration i modified from image in Fabricus and Alderslade, 2001; illustration l modified from image by FM Bayer/Smithsonian Institution.
FIGURE 8. A, B in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 8. A, B, cross and C, D, longitudinal sections of holaxonian octocorals, showing axis (Ax), cross-chambered inner core (In. co.), loculi (Loc.), polyps (Pol.) and coenenchyme (Coen). The axes of the plexaurids Euplexaura sp. (A) and Thesea nivea (C), and the gorgoniid Leptogorgia virgulata (B, D) are displayed for comparison of axis characteristics. (Image A modified from Fabricus & Alderslade, 2001).
FIGURE 4 in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 4. Anthocodiae of Thesea nivea. Indicated are pinnules (Pi), sclerites forming points (Po) and collaret (Col), tentacles (Te), neck (Ne), anthocodia (An) and calyx (Cal).
FIGURE 3 in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 3. Unbranched colony forms; a) flagelliform (whip-like) (Leptogorgia setacea); b) capitate (Nidalia occidentalis); c) foliose (Renilla reniformis) d) club-like (Sclerobelemnon theseus); e) pen-like (Virgularia presbytes); f) stoloniferous (Scleranthelia rugosa var. rugosa).
FIGURE 2 in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 2. Branching colony forms; a) dichotomous (Iciligorgia schrammi); b) monopodial (Telesto sp.); c) whip-like branches (Leptogorgia virgulata); d) rod-like branches (Titanideum frauenfeldii); e) open, irregularly pinnate (Muricea pendula) f) planar (Leptogorgia hebes); g) lobed, with clusters of polyps (Pseudodrifa nigra).
FIGURE 10. a in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 10. a) Sclerobelemnon theseus peduncle indicated; b) Renilla reniformis, peduncle indicated; c) Virgularia presbytes, leaf-like structures indicated; d) Stylatula elegans, showing two polyp leaves (modified from Bayer, 1958).
FIGURE 6. Pennatulaceans A in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 6. Pennatulaceans A, Virgularia presbytes and B, Stylatula elegans, indicating autozooids (Au), polyp leaves (Pol. le.) and needles (Ne) (scale bar for A = 5 mm; B = 1mm).
FIGURE 7. A in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 7. A, Transverse and B, longitudinal cross-sections of scleraxonian octocoral axis (Diodogorgia nodulifera), showing inner cortex (In. cor.), outer cortex (Ou. cor.), spiculated medulla (Me), polyps (Pol), and ring of boundary canals (Bo. ca.).
FIGURE 1 in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 1. The South Atlantic Bight, which includes coastal waters between Cape Hatteras and Cape Canaveral, USA. The 200 m isobath is shown.
FIGURE 9. a in Identification guide to the shallow water (0-200 m) octocorals of the South Atlantic Bight 2599
FIGURE 9. a) Pseudodrifa nigra, basal disc indicated; b) holdfast of Muricea pendula; c) encrusting colony of Scleranthelia rugosa (from Bayer 1981a).
TABLE 2 in Australia's deep-water octocoral fauna: historical account and checklist, distributions and regional affinities of recent collections
<p><b>TABLE 2.</b> Seven bathomes—ecologically meaningful depth zones <i>sensu</i> Last <i>et al.</i> (2005) sampled during the biodiversity surveys 1997–2008. The numbers and depth range of sampling stations where octocoral were collected are s hown separately.</p><table><tbody><tr><th>Bathome</th><th>Bathome depth range (m)1)</th><th>Number of sampling stations</th><th></th><th>Min. sampling depth (m)</th><th>Max. sampling depth (m)</th></tr></tbody><tbody><tr><th></th><td></td><td>TOTAL</td><td>SP-Sample2)</td><td></td><td></td></tr><tr><th>Outer shelf</th><td>50–150</td><td>63</td><td>58</td><td>77</td><td>133</td></tr><tr><th>Shelf-break</th><td>150–250</td><td>17</td><td>16</td><td>150</td><td>249</td></tr><tr><th>Upper slope (shallow)</th><td>250–500</td><td>51</td><td>45</td><td>252</td><td>498</td></tr><tr><th>Upper slope (deep)</th><td>500–800</td><td>31</td><td>26</td><td>527</td><td>800</td></tr><tr><th>Mid-slope (shallow)</th><td>800–1100</td><td>61</td><td>56</td><td>825</td><td>1092</td></tr><tr><th>Mid-slope (deep)</th><td>1100–1500</td><td>69</td><td>56</td><td>1104</td><td>1500</td></tr><tr><th>Lower slope</th><td>>1500</td><td>44</td><td>34</td><td>1502</td><td>3950</td></tr></tbody></table><p>1) inclusive of upper limit</p><p>2) SP-Sample identifies the number of sampling stations from which octocorals were identified to species-level</p>
FIGURE 4 in Thesea pyrrha sp. nov., a new shallow-water octocoral (Cnidaria, Anthozoa) from southwestern Atlantic, and implications on the systematics of the genus
FIGURE 4. Phylogenetic reconstruction with Maximum likelihood (left) and Bayesian Inference (right) of the families Gorgoniidae and Plexauridae based on the concatenated dataset (mtMutS + COI+ 28S), including (purple) Thesea pyrrha sp. nov.
FIGURE 2 in Thesea pyrrha sp. nov., a new shallow-water octocoral (Cnidaria, Anthozoa) from southwestern Atlantic, and implications on the systematics of the genus
FIGURE 2. Sclerites of Thesea pyrrha sp. nov. (USNM 73349, holotype). A, B: Double-faced sclerites of the outer coenenchymal layer; C: spindles of the calyces; D: spindles-like sclerites of the outer coenenchymal layer; E: spindles of the inner coenenchymal layer; F: polypar sclerites.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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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.