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2,356 results for “Echinodermata”
FIGURE 4 in Narcissia ahearnae, a new species of sea star from the Western Atlantic (Echinodermata: Asteroidea: Valvatida)
FIGURE 4. Narcissia ahearnae new species. Upper, two groups of four adambulacral spines on adjoining adambulacral plates. The mouth lies to the right of the figure. Scale line, 400 μm. Lower, groups of adambulacral spines near mouth. Mouth is on left side of the figure. Scale line, 2 mm.
FIGURE 3 in Narcissia ahearnae, a new species of sea star from the Western Atlantic (Echinodermata: Asteroidea: Valvatida)
FIGURE 3. Upper, base of an arm of Holotype of Narcissia ahearnae new species, showing marginal plates, abactinal plates, and papular pores. Lower, base of arm of N. trigonaria Sladen, showing marginal plates, abactinal plates, and papular pores. Scale line in both figures, 5 mm.
FIGURE 2 in Narcissia ahearnae, a new species of sea star from the Western Atlantic (Echinodermata: Asteroidea: Valvatida)
FIGURE 2. Narcissia ahearnae, new species, Paratype (1) HBOM 073:00532, photographed in situ from the Johnson SeaLink submersible, Grand Bahama Island, 87 meters. Longest arm 153 mm.
FIGURE 6. Abactinal spinelets. A, D in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 6. Abactinal spinelets. A, D, Luidia quinaria von Martens, 1865; B, E, Luidia yesoensis Goto, 1914; C, F, Luidia changi sp. nov. A–C, central granules (arrow); D–F, peripheral spinelets (arrow). Scale = 100 m.
FIGURE 3. Luidia yesoensis Goto, 1914 in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 3. Luidia yesoensis Goto, 1914 (H 209B15, R=59.6 mm). A, abactinal view; B, actinal view; C, arm, dorsal view; D, arm, ventral view. Scale = 5 mm.
FIGURE 5 in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 5. Denuded abactinal plates, proximal base of ray. A–B, Luidia quinaria von Martens, 1865; C–D, Luidia yesoensis Goto, 1914; E–F, Luidia changi sp. nov. A, C, aboral view, paxillae with raised top (arrow); B, oral view, thick, with very small plates (arrow); D, oral view, thick, paxillae along the median radial line distinctly smaller (arrow); E, aboral view, paxillae with flat top, with very small lateral paxillae (arrow); F, oral view, thin, with very small plates (arrow). Scale = 2 mm.
FIGURE 2. Luidia quinaria von Martens, 1865 in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 2. Luidia quinaria von Martens, 1865 (CN 21–18, R=72 mm). A, abactinal view; B, actinal view; C, arm, dorsal view; D, arm, ventral view. Scale = 5 mm.
FIGURE 1 in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 1. Collection localities of the three species, Luidia changi sp. nov., L. quinaria von Martens, 1865 and L. yesoensis Goto, 1914.
FIGURE 4 in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 4. Luidia changi sp. nov. A, B, holotype, alcoholpreserved specimen IOCAS E1100, R=83.8 mm; C–F, paratype, dry specimen, BDI 7B21, R=76.7 mm. A,abactinal view; B, actinal view; C, abactinal paxillae; D, lateral paxillae, showing transparent spinules on the top (arrow); E, mouth pedicellariae (arrow); F, adambulacral and inferomarginal plates. Scale = 2 mm.
FIGURE 2. MNHN EcEh 1282 in A new species of Coelopleurus (Echinodermata: Echinoidea: Arbaciidae) from New Caledonia
FIGURE 2. MNHN EcEh 1282, paratype: A, aboral view; B, oral view; C, lateral view of an ambulacrum; D, lateral view of an interambulacrum; E, oral view showing auricle.
FIGURE 5 in A new species of Coelopleurus (Echinodermata: Echinoidea: Arbaciidae) from New Caledonia
FIGURE 5. Comparison of mean (± SD) peristome widths (as % of test's horizontal diameter) between species of Coelopleurus.
FIGURE 14 in Crinoidea and Holothuroidea (Echinodermata) of the abyssal Angola Basin—Results of the DIVA 1 expedition of FS " Meteor " (Cruise M 48 / 1)
FIGURE 14. Distribution of Siniotrochus myriodontus Gage & Billett, 1986 and Neolepidotrochus parvidiscus angolensis Bohn, 2005.
FIGURE 3. A in A new species of Coelopleurus (Echinodermata: Echinoidea: Arbaciidae) from New Caledonia
FIGURE 3. A, (holotype) apical system; B, ambulacrum (paratype); C, interambulacrum (paratype), D & E, ambital primary spines; F, adapical primary spine; G & H, ambital primary spine's collar (G, dorsal view; H, ventral view); I–J, oral spines (I, dorsal, J, ventral); K, secondary spine; L, ophicephalous pedicellaria; M, tridentate pedicellaria; N, triphyllous pedicellaria.
FIGURE 4 in A new species of Coelopleurus (Echinodermata: Echinoidea: Arbaciidae) from New Caledonia
FIGURE 4. Scanning electron micrographs: A, transverse section midway through a primary ambital spine; B, transverse section midway through a primary adapical spine; C, transverse section midway through a primary oral spine; D, transverse section midway through a secondary spine; E, ophicephalous pedicellaria; F, tridentate pedicellaria; G, triphyllous pedicellaria; H & I, individual valves from ophicephalous pedicellariae; J, individual valve from a tridentate pedicellaria; K, individual valve from a triphyllous pedicellaria.
FIGURE 13 in Crinoidea and Holothuroidea (Echinodermata) of the abyssal Angola Basin—Results of the DIVA 1 expedition of FS " Meteor " (Cruise M 48 / 1)
FIGURE 13. (A) Siniotrochus myriodontus Gage & Billett, 1986. Wheel deposit of body wall. (B–C) Neolepidotrochus parvidiscus angolensis Bohn, 2005. Wheel deposits of body wall. (B) Neolepidotrochid type wheel. (C) Myriotrochid type wheel. Arrowheads – outwardpointing secondary teeth.
FIGURE 8 in Crinoidea and Holothuroidea (Echinodermata) of the abyssal Angola Basin—Results of the DIVA 1 expedition of FS " Meteor " (Cruise M 48 / 1)
FIGURE 8. Achlyonice longicornis spec. nov. (A) Right lateral view (schematic). (B) Ventral view (schematic). (C) Velum. (D) Distal end of tubefoot. (E) Rods from dorsal papillae. Figs A–C to the same scale.
FIGURE 9 in Crinoidea and Holothuroidea (Echinodermata) of the abyssal Angola Basin—Results of the DIVA 1 expedition of FS " Meteor " (Cruise M 48 / 1)
FIGURE 9. (A) Molpadiodemas atlanticus (R. Perrier, 1898). Rodlike deposits from tentacles. (B–G) Molpadia liska Pawson, 1977. (B) Calcareous ring, left lateral view (ldr— left dorsolateral radial plate, llir—left lateral interradial plate, lvr—left ventrolateral radial plate). (C) Table from body wall (JMB01141). (D) Tables from body wall (JMB01646). (E) Tables from tail (JMB 01141). (F) Tables from tail (JMB01646). (G) Anal tooth (JMB01646).
FIGURE 3 in Crinoidea and Holothuroidea (Echinodermata) of the abyssal Angola Basin—Results of the DIVA 1 expedition of FS " Meteor " (Cruise M 48 / 1)
FIGURE 3. Distribution of Bathycrinus aldrichianus Wyville Thomson, 1876 and the closely related B. gracilis Wyville Thomson, 1872. Questionable records for B. aldrichianus, often based on stalk fragments solely, are indicated as blank circles.
FIGURE 6 in Crinoidea and Holothuroidea (Echinodermata) of the abyssal Angola Basin—Results of the DIVA 1 expedition of FS " Meteor " (Cruise M 48 / 1)
FIGURE 6. Peniagone purpurea (Théel, 1882). (A) Ventral view of a specimen, anterior end to the left (b—brim, t—tentacles, v—velum, arrowheads—tube feet). (B) Primary crosses from body wall. (C) Large crosses and rods from tentacles. (D) Large crosses from tube feet.
FIGURE 1 in Crinoidea and Holothuroidea (Echinodermata) of the abyssal Angola Basin—Results of the DIVA 1 expedition of FS " Meteor " (Cruise M 48 / 1)
FIGURE 1. Records of Crinoidea and Holothuroidea in the Angola Basin and vicinity by the Valdivia expedition (Ludwig & Heding 1935; Heding 1940), Dr Mortensen's Java—South Africa expedition and the Galathea expedition (Hansen 1975), the Walda and Walvis cruises (IFREMER BIOCEAN) and the DIVA1 expedition.
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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.