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2,356 results for “Echinodermata”
FIGURE 10 in See lilies of the genus Bathycrinus (Echinodermata, Crinoidea: Bathycrinidae) from the North-West Pacific hadal trenches
FIGURE 10. Distribution of the hadal species of the genus Bathycrinus in NW Pacific. 1—B. volubilis Mironov, 2000, 2—B. kirilli n. sp., type locality, 3—Bathycrinus sp. cf.. kirilli n. sp., observed by ROV Kaiko (Oji et al. 2009). 4—B. longipinnus n. sp., 5 - Bathycrinus sp. cf. B. longipinnus, 6—B. rozhnovi n. sp.
FIGURE 9. Bathycrinus rozhnovi n in See lilies of the genus Bathycrinus (Echinodermata, Crinoidea: Bathycrinidae) from the North-West Pacific hadal trenches
FIGURE 9. Bathycrinus rozhnovi n. sp., St. 7499, RV Vityaz, paratype 5, IO RAS Ech00763 (A, C–F) and St. 86, Sonne, paratype 18 (B) and fragment of stalk (G, H), SMF: A—circumoral plates, B—cover plates from P9; C–H—facets of columnals: C, D—columnals from proximal proxistele, E—columnal 25 (distal proxistele), F—columnal 31 (proximal mesistele), G—columnal 64 (distal mesistele), H—columnal from dististele. Scale bars: A, B 200 μm; C–H 400 μm.
Supplementary material 3 from: Okanishi M, Fujita T, Maekawa Y, Sasaki T (2017) Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida). ZooKeys 663: 1-19. https://doi.org/10.3897/zookeys.663.11413
Figure S3 : Explanation note: The interactive 3D model of µ CT surface rendering images of the isolated vertebral ossicles of Asteronyx loveni (NSMT E-5638).
Supplementary material 2 from: Okanishi M, Fujita T, Maekawa Y, Sasaki T (2017) Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida). ZooKeys 663: 1-19. https://doi.org/10.3897/zookeys.663.11413
Figure S2 : Explanation note: The interactive 3D model of µ CT surface rendering images of the basal part of an arm of Asteronyx loveni (NSMT E-5638).
Supplementary material 1 from: Okanishi M, Fujita T, Maekawa Y, Sasaki T (2017) Non-destructive morphological observations of the fleshy brittle star, Asteronyx loveni using micro-computed tomography (Echinodermata, Ophiuroidea, Euryalida). ZooKeys 663: 1-19. https://doi.org/10.3897/zookeys.663.11413
Figure S1 : Explanation note: The interactive 3D model of µ CT surface rendering images of the entire body of Asteronyx loveni (NSMT E-6986). This image can be activated by clicking on the image in Adobe Acrobat Reader (version 8 or higher) and can be rotated, moved and magnified.
FIGURE 6 in A new species in the genus Styracaster (Echinodermata: Asteroidea: Porcellanasteridae) from hadal depth of the Yap Trench in the western Pacific
FIGURE 6 Styracaster yapensis sp. nov. A–B, holotype (RSIOAS010): A, madreporite interradius, showing the only one large cribriform organ; B, other interradius without cribriform organ, the red arrow pointing an additional inferomarginal plate; C–D, paratype (RSIOAS040): C, madreporite interradius, showing a large cribriform organ and two rudimentary ones (pointed by the red arrows); D, other interradius, with only 1–3 lines of small papillae between the central 2–3 superomarginals (pointed by the red arrows).
FIGURE 4 in A new species in the genus Styracaster (Echinodermata: Asteroidea: Porcellanasteridae) from hadal depth of the Yap Trench in the western Pacific
FIGURE 4 Styracaster yapensis sp. nov., holotype (RSIOAS010), actinal surface: A, mouth; B, mouth plates and spines; C, furrow spines and subambulacral spines on arm; D, spinulation on proximal adambulacrals; E, ventrolateral area.
FIGURE 3 in A new species in the genus Styracaster (Echinodermata: Asteroidea: Porcellanasteridae) from hadal depth of the Yap Trench in the western Pacific
FIGURE 3 Styracaster yapensis sp. nov. A, B, E, holotype (RSIOAS010); C, D, F, G, paratype (RSIOAS040): A, abactinal surface of arm, showing three pointed abactinal spines (holotype, arm D); B, marginal plates on arm, lateral view (holotype, arm E); C, abactinal surface of arm (paratype, arm C); D, marginal plates on arm, the inferomarginals markedly lower than the superomarginals (paratype, arm D); E, terminal plate with 4 spines (holotype, arm D); F, terminal plate with 5 spines (paratype, arm D); G, terminal plate with 6 spines (including a rudimentary one) (paratype, arm C).
FIGURE 2 in A new species in the genus Styracaster (Echinodermata: Asteroidea: Porcellanasteridae) from hadal depth of the Yap Trench in the western Pacific
FIGURE 2 Styracaster yapensis sp. nov. A–D, holotype (RSIOAS010): A, abactinal surface; B, actinal surface; C, zoom in view of abactinal surface and granular plates; D, zoom in view of enlarged central plates and a central projection; E, paratype (RSIOAS040), zoom in view of enlarged central plates and a central pore.
FIGURE 1 in A new species in the genus Styracaster (Echinodermata: Asteroidea: Porcellanasteridae) from hadal depth of the Yap Trench in the western Pacific
FIGURE 1 In situ observations. A, Styracaster yapensis sp. nov. holotype (RSIOAS010); B, Styracaster yapensis sp. nov. paratype (RSIOAS040).
FIGURE 5 in A new species in the genus Styracaster (Echinodermata: Asteroidea: Porcellanasteridae) from hadal depth of the Yap Trench in the western Pacific
FIGURE 5 Styracaster yapensis sp. nov., paratype (RSIOAS040), actinal surface: A, mouth plates and spines; B, proximal adambulacrals and ventrolateral area; C, spinulation on proximal adambulacrals; D, furrow spines and subambulacral spines on arm.
FIGURE 2 in A new species of Chiridota (Echinodermata: Holothuroidea: Apodida: Chiridotidae) from Japan, and First record of C. rigida from Japan
FIGURE 2. SEM images of Chiridota rigida Semper, 1867 collected from Wakayama, Japan. A, calcareous ring of right side, viewed from right side, dorsal upper (WMNH-INV-2017-40). B, ossicles from a tentacle of lateral side; C, ossicles from wheel papillae of anterior dorsal; D, ossicles from wall of anterior dorsal (WMNH-INV-2014-36). Abbreviations: cr, curved rod ossicles; fr, flattened rod ossicles; ip, inter-radial plate; rp, radial plate; wh, wheel ossicles; wh', internal side of wheel ossicles.
FIGURE 1 in A new species of Chiridota (Echinodermata: Holothuroidea: Apodida: Chiridotidae) from Japan, and First record of C. rigida from Japan
FIGURE 1. Photographs of Chiridota rigida Semper, 1867 collected from Wakayama, Japan. A, preserved specimen (WMNH-INV-2017-40); and B, living specimen (anterior half only: WMNH-INV-2017-25) of lateral view, dorsal upper. C, content of wheel-papilla (WMNH-INV-2017-40). D, internal organs, dorsal upper (WMNH-INV-2017-39). Abbreviations: ad, anterior dorsal; av, anterior ventral; ca, calcareous ring; go, genital organ; ma, madreporite; pd, posterior dorsal; po, Polian vesicle; pv, posterior ventral; st, stone canal; te, tentacle.
FIGURE 4. A in A new species of Chiridota (Echinodermata: Holothuroidea: Apodida: Chiridotidae) from Japan, and First record of C. rigida from Japan
FIGURE 4. A, SEM image of calcareous ring of right side of Chiridota impatiens sp. nov. (holotype, WMNH-INV-2016-56), viewed from right side, dorsal upper. B–D, SEM images of ossicles (paratype, WMNH-INV-2016-57). B, ossicles from a tentacle of lateral side; C, ossicles from wheel papillae of anterior dorsal; D, ossicles from wall of anterior dorsal. Abbreviations: cr, curved rod ossicles; fr, flattened rod ossicles; ip, inter-radial plate; rp, radial plate; wh, wheel ossicles; wh', internal side of wheel ossicles.
FIGURE 3. A in A new species of Chiridota (Echinodermata: Holothuroidea: Apodida: Chiridotidae) from Japan, and First record of C. rigida from Japan
FIGURE 3. A, preserved specimen; and B, living specimen of Chiridota impatiens sp. nov., lateral view, dorsal upper (holotype, WMNH-INV-2016-56). C, wheel-papilla with emitted content of it; D, content of wheel-papilla; and E, stone canal of C. impatiens sp. nov. (holotype, WMNH-INV-2016-56). F, oral side; and G, outer side of left lateral tentacles; with H (enclosed area with solid line in F), a cluster of sensory cups of C. impatiens sp. nov., dorsal upper (holotype, WMNH-INV- 2016-56). Abbreviations: ad, anterior dorsal; av, anterior ventral; ca, calcareous ring; ma, madreporite; pd, posterior dorsal; pv, posterior ventral; st, stone canal; te, tentacle.
FIGURE 3 in Redescription and designation of a neotype for Ophiothrix angulata (Say, 1825) (Echinodermata: Ophiuroidea: Ophiotrichidae)
FIGURE 3. VariationS found in O. angulata: (A) Circular diSc (USMN 23739); (B) Ventral arm plateS in juvenileS; (C) DorSal arm plateS in juvenileS. Scale barS: A–C = 1 mm.
FIGURE 1 in Redescription and designation of a neotype for Ophiothrix angulata (Say, 1825) (Echinodermata: Ophiuroidea: Ophiotrichidae)
FIGURE 1. Morphological characterS of Ophiothrix angulata (neotype USNM E 33764, SEM imageS USMN 24338): (A) DorSal view of diSc; (B) Bifid SpineS; (C) Trifid SpineS; (D) Radial ShieldS covered by SpineS; (E) Ventral view of diSc; (F), DorSal arm plateS; (G) Ventral arm plate; (H) Lateral arm plate proximal; (I) Lateral arm plate diStal. Scale barS: A, D–F = 1 mm; B-C = 20 µm; G = 500 µm; H = 200 µm; I = 1mm.
FIGURE 2 in Redescription and designation of a neotype for Ophiothrix angulata (Say, 1825) (Echinodermata: Ophiuroidea: Ophiotrichidae)
FIGURE 2. SEM photographS of vertebra and arm SpineS of Ophiothrix angulata (USMN 24338): (A–D) Vertebrae: (A) Proximal aSpect; (B) DiStal aSpect; (C) Ventral aSpect; (D) DorSal aSpect. (E) Arm Spine. Scale barS: A–C = 200 µm; D = 100 µm; E = 500 µm.
FIGURE 4. Cladodactyla pesdispersa n in Two new subfamilies, three new species and a new subspecies of dendrochirotid sea cucumbers (Echinodermata: Holothuroidea)
FIGURE 4. Cladodactyla pesdispersa n. sp. A. Specimen entire (paratype, NHMUK 1873.7.29.2b); B. Anal ossicles; C. Ventral body wall ossicles; D. Dorsal body wall ossicles; E. Tentacle rods; F. Tube feet rods; G. Introvert ossicles; H. End plate; I. Part of calcareous ring (dorsal). (B–H drawn to same scale).
FIGURE 1. Havelockia ferali andamanensis n. subsp. A in Two new subfamilies, three new species and a new subspecies of dendrochirotid sea cucumbers (Echinodermata: Holothuroidea)
FIGURE 1. Havelockia ferali andamanensis n. subsp. A. Specimens entire (a: holotype, NHMUK 1886.2.2.21; b: paratype, NHMUK 1986.2.2.22-24); B. Tentacle ossicles; C. Anal ossicles; D. Introvert ossicles; E. Body wall tables; F. Tube feet tables; G. Part of calcareous ring (dorsal). (B–F drawn to same scale).
ScienceDex guides
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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.