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2,356 results for “Echinodermata”
FIGURE 8. Ophiozonella cavernalis n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 8. Ophiozonella cavernalis n. sp. holotype (RUMF-ZE-02008). A, aboral disc; B, aboral peripheral disc and proximal portion of arm; C, aboral central disc; D, oral disc and proximal portion of arms; E, oral disc; F, interradial oral disc. Abbreviations: ASH, adoral shield; GS, genital slit; OP, oral plate; OS, oral shield; P, oral papillae; T, tooth.
FIGURE 10. Ophiozonella cavernalis n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 10. Ophiozonella cavernalis n. sp. a paratype (RUMF-ZE-02009). SEM images of ossicles. A–C, dorsal arm plates, from proximal portion of arm, a square enlarged in B (A), and distal tip, an arrow head indicates a distal knob (B), and from distal portion of arm (C); D–G, lateral arm plates, from proximal portion of arms, outer view (D), inner view (E), distal view, a square enlarged in G (F), an arm spine articulation (G); H–K, lateral arm plates, from distal portion of arms, outer view (H), inner view (I), distal view, a square enlarged in K (J), an arm spine articulation (K); L, M, ventral arm plates, outer view from proximal portion (L) and inner view from distal portion (M) of arms. All lateral arm plates (D–K) are aligned in the same orientation. Orientations: ab, aboral side; dis, distal side; o, oral side; pro, proximal side. Abbreviations: DL, dorsal lobe; E, elevated structure; P, perforation; SA, spine articuration; SP, spur; VL, ventral lobe.
FIGURE 1 in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 1. Sampling localities of Ophiolepis cavitata n. sp. and Ophiozonella cavernalis n. sp. Red symbols indicate type localities.
FIGURE 7. Ophiozonella cavernalis n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 7. Ophiozonella cavernalis n. sp. A, living status in situ, aboral view of RUMF-ZE-02008, RUMF-ZE-02009 or HD- 2017-15; B, anesthetized, aboral view of the holotype (RUMF-ZE-02008); C, D, SEM photos of a paratype (RUMF-ZE- 02009), aboral disc (C) and oral disc (D). Abbreviations: ASH, adoral shield; OP, oral plate; OS, oral shield; P, oral papillae; T, tooth.
FIGURE 2. Astrophiura caroleae new species. A in A new species of the remarkable brittle star genus Astrophiura (Echinodermata: Ophiuroidea) from the western Atlantic Ocean
FIGURE 2. Astrophiura caroleae new species. A, holotype (USNM 1463102) disc diameter 8.5 mm, recently dead, photographed in laboratory (Image: Darryl Felder), Note conspicuous female gonads and free arms. B, holotype in situ on discarded beer bottle; C enlarged image of holotype in situ; D, non-type specimen, in laboratory, disc diameter ca. 8.0 mm, showing color pattern.
FIGURE 3. Astrophiura caroleae new species. A in A new species of the remarkable brittle star genus Astrophiura (Echinodermata: Ophiuroidea) from the western Atlantic Ocean
FIGURE 3. Astrophiura caroleae new species. A, non-type specimen in situ on a bottle, showing color pattern and conspicuous tubercles on central and radial plates; B, non-type specimen in situ on an automobile tire; C, dorsal surface of Paratype 1 (USNM 1463103), disc diameter 7.0 mm, photographed in laboratory (Barry B. Brown), showing color pattern and conspicuous tubercles on central and radial plates, and less conspicuous tubercles on distal edges of radial shields. Abbreviation: T, tubercle.
FIGURE 1. Astrophiura caroleae new species. A in A new species of the remarkable brittle star genus Astrophiura (Echinodermata: Ophiuroidea) from the western Atlantic Ocean
FIGURE 1. Astrophiura caroleae new species. A, holotype (USNM 1463102), disc diameter 8.5 mm, in dorsal view (image by A. Nonaka); B, holotype, ventral view (image by A. Nonaka); C, holotype with major dorsal plates labeled; D, paratype 1 (USNM 1463103), disc diameter 7.0 mm, dorsal view; E, detail of holotype showing a pair of radial shields; F, holotype, showing adoral plates, oral plates with oral papillae, and thin plates covering oral interradii. Abbreviations: AP, adoral plate; B, basal plate; C, central plate; DAP, dorsal arm plate; IB, infrabasal plate; IR, interradial plate; LAP, lateral arm plate; OIP, oral interradial plates; OP, oral plate; R radial plate; RS radial shield.
FIGURE 22. Astroglymma sculptum a in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 22. Astroglymma sculptum a larger (A–C) and a smaller (D–E) specimens of USNM 1072575. A, aboral view; B, oral view; C, aboral peripheral disc; D, aboral view; E, oral view.
FIGURE 14 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 14. Astrocladus socotrata, holotype (USNM 1072535). A, aboral distal portion of the arm; B, oral basal portion of the arm; Cm arm spines on oral basal portion of the arm; D, oral middle portion of the arm; E, oral distal portion of the arm. Abbreviation. AS, arm spine. Scale bars, 1 mm.
FIGURE 11 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 11. Astrocladus goodingi, holotype (USNM 1072479), SEM photographs of ossicles. A–E, vertebrae at the basal portion of the arms, oral view (A), aboral view (B), aboral furrow (C), basal view (D), distal branching view (E); F–I, vertebrae at the distal portion of the arm, aboral view (F), oral view (G), basal view (H), distal view (I). Orientations: ab, aboral side; ba, basal side; dis, distal side; o, oral side. Abbreviations: DT, depression for tentacle; RWC, radial water canal; RNC, radial nerve canal.
FIGURE 7 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 7. Astrocladus goodingi, holotype (USNM 1072479) (A–C) and Astroboa nigrofurcata (USNM 1072537) (D). A, aboral view; B, oral view; C, aboral disc and basal portion of the arms; D, lateral view of basal portion of the arm.
FIGURE 8 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 8. Astrocladus goodingi, holotype (USNM 1072479). A, aboral disc; B, aboral central disc; C, aboral peripheral disc; D, oral basal portion of the arm; E, oral disc, a circle indicates a madreporite; F, lateral disc, a circle indicates tall spines. Abbreviation: G, genital slit.
FIGURE 5 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 5. Asteronyx luzonicus (USNM 1072474) (A–C) and Astroboa clavata (USNM 1072477) (D–J). A, aboral disc; B, lateral disc; C, basal portion of the arm; arrows indicate elongated club-shaped arm spines; D, aboral view; E, oral view; F, aboral peripheral disc; G, external ossicles on a peripheral radial shield; H, oral basal portion of the arm; I, aboral middle portion of the arm; J, aboral distal portion of the arm.
FIGURE 4 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 4. Trichaster flagellifer (USNM 1072573) (A–E) and Asteronyx luzonicus (USNM 1072474) (F–G). A, aboral view; B, oral view; C, aboral central view; D, aboral peripheral view; E, oral basal portion of the arm; F, aboral view; G, oral view.
FIGURE 3 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 3. Sthenocephalus indicus (USNM 1072462) (A–D). A, aboral basal portion of the arm; B, aboral distal portion of the arm; C, oral distal portion of the arm; D, oral basal portion of the arm. Abbreviations. AS, arm spine; LAP, lateral arm plate.
FIGURE 1 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 1. Asteroschema arenosum (USNM 1072539) (A–D) and Squamophis amamiensis (USNM 1072572) (E–H). A, aboral view; B, oral view; C, aboral disc; lateral view of distal arm; E, aboral view; F, oral view; G, aboral disc; H, oral disc. Abbreviation: AS, arm spine.
FIGURE 19 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 19. Astrocyclus somaliensis, holotype (USNM 1411388). A, oral distal portion of the arm; B, aboral basal portion of the arm; C, aboral middle portion of the arm; D, aboral distal portion of the arm. Abbreviation. AS, arm spine. Scale bars, 1 mm.
FIGURE 21 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 21. Astrocyclus somaliensis, holotype (USNM 1411388), SEM photographs of ossicles. A, articulations for arm spines of lateral arm plate on basal portion of the arm; B–C, hooklets-bearing plate on distal portion of the arm, external view (B) and internal view (C), arrowheads indicate articulations for hooklets; D–F, arm spines on basal (D, E) and distal (F) portion of the arm, arcs indicate terminal projections; G–H, hooklets on basal (G) and distal (H) portion of the arm. Abbreviations: NO, nerve opening; ST, secondary tooth.
FIGURE 13 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 13. Astrocladus socotrata, holotype (USNM 1072535). A, aboral peripheral disc; B, aboral central disc; C, oral disc; D, lateral disc; D, aboral basal portion of the arm; E, aboral middle portion of the arm. Scale bars, 1 mm.
FIGURE 6 in Euryalid brittle stars from the International Indian Ocean Expedition 1963 - 64 (Echinodermata: Ophiuroidea: Euryalida)
FIGURE 6. Astroboa nigrofurcata (USNM 1072537) (A–C, smaller specimen, D–E, larger specimen) and Astrocladus ludwigi (USNM 1072478) (F–I). A, aboral view; B, oral view; C–D, aboral peripheral disc; E, aboral basal portion of the arm; F, aboral view; G, oral view; H, aboral disc, a square part is enlarged in I; I, aboral peripheral disc, a circle indicates girdle hooklets.
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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.