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546 results for “sea cucumber”
FIGURE 4. Rhopalodina cabrinovici n in On some rhopalodinid sea cucumbers in the collections of the Natural History Museum, U. K. (Echinodermata: Holothuroidea: Dactylochirotida)
FIGURE 4. Rhopalodina cabrinovici n. sp., NHM, 1914.12.23.4/5. A. Calcareous ring; B. rods from the tube feet; C. Paratype, specimen entire; D. Rhopalodina parvalamina Cherbonnier, NHM, 1957.7.2.56, entire.
FIGURE 1. Trachythyone flaccida n in Trachythyone flaccida, a new sea cucumber species from southern Angola (Echinodermata: Holothuroidea: Dendrochirotida: Cucumariidae) with key to the genus
FIGURE 1. Trachythyone flaccida n. sp.. A. Entire paratype, scale in mm. B. Plates of holotype from dorsal body wall. C. Cups from dorsal body wall of holotype. D. Cross-shaped ossicles from posterior body wall of holotype. E. Part of calcareous ring of holotype.
FIGURE 2. Trachythyone flaccida n in Trachythyone flaccida, a new sea cucumber species from southern Angola (Echinodermata: Holothuroidea: Dendrochirotida: Cucumariidae) with key to the genus
FIGURE 2. Trachythyone flaccida n. sp.. A. Plates from dorsal body wall of holotype. B. Plates from dorsal body wall of paratype. C. Rods from tube feet of holotype. D. Rods from tentacles of holotype.
FIGURE 2 in Sea cucumbers collected by the Kermadec Biodiscovery Expedition 2011 (Echinodermata: Holothuroidea: Apodida and Dendrochirotida)
FIGURE 2. SEM images of ossicles and ring plates from paratype of Chiridota kermadeca sp. nov. (AIM MA73395). a, rod ossicles from tentacle; b, top and middle showing radial plate (left) and inter-radial plate (right) from the calcareous ring, bottom showing inter-radial plate; c, wheels and rod ossicles from dorsal papilla; d, wheels and rod ossicles from ventral papilla.
FIGURE 1 in Sea cucumbers collected by the Kermadec Biodiscovery Expedition 2011 (Echinodermata: Holothuroidea: Apodida and Dendrochirotida)
FIGURE 1. Photos of holotype of Chiridota kermadeca sp. nov. (AIM MA73394). a, right dorso-lateral view; b, left ventral inter-radial view, insert with photo of 2 radial plates of the calcareous ring of a paratype (AIM MA73395); c, tentacle crown.
FIGURE 4 in Sea cucumbers collected by the Kermadec Biodiscovery Expedition 2011 (Echinodermata: Holothuroidea: Apodida and Dendrochirotida)
FIGURE 4. SEM images of ossicles from body wall of Pseudocnus sentus O'Loughlin & Alcock, 2000 (AIM MA30360). Top, multi-layered ossicles; middle left, knobbed plate with secondary developments and terminal blunt marginal teeth (right); middle right and bottom, knobbed plates and buttons.
FIGURE 3 in Sea cucumbers collected by the Kermadec Biodiscovery Expedition 2011 (Echinodermata: Holothuroidea: Apodida and Dendrochirotida)
FIGURE 3. SEM images of ossicles from body wall of Plesiocolochirus ignavus (Ludwig, 1875) (AIM MA30358). Top, multi-layered ossicles; middle left and centre, knobbed buttons; middle right, part of tube foot support rod; bottom, bridged (middle) and partly bridged spinous cups.
FIGURE 3 in Holothuria (Semperothuria) roseomaculata n. sp. (Aspidochirotida: Holothuriidae), a coral-reef inhabiting sea cucumber from the western Pacific Ocean
FIGURE 3. Global distribution of Holothuria (Semperothuria) roseomaculata n. sp. (red circles) and its sister species, H. (S.) flavomaculata (yellow circles). Grey circles indicate that at least one of these species has been reported from the locality, but that papillae colour has not been noted.
FIGURE 2 in Holothuria (Semperothuria) roseomaculata n. sp. (Aspidochirotida: Holothuriidae), a coral-reef inhabiting sea cucumber from the western Pacific Ocean
FIGURE 2. Ossicles of Holothuria (Semperothuria) roseomaculata n. sp. Holotype: (A) dorsal body wall tables, lateral and apical views; (B) ventral body wall tables, lateral and apical views; (C) dorsal body wall spiny rods; (D) ventral body wall spiny rods; (E) dorsal papillae smooth rod; (F) ventral tubefeet rods. Paratype: (G) dorsal body wall tables, lateral and apical views; (H) ventral body wall tables, lateral and apical views; (I) dorsal body wall spiny rods; (J) ventral body wall spiny rod; (K) dorsal papillae perforated rods; (L) ventral tubefeet plates. Scale bar = 100 μm. Photos by C. Brunson.
FIGURE 1 in Holothuria (Semperothuria) roseomaculata n. sp. (Aspidochirotida: Holothuriidae), a coral-reef inhabiting sea cucumber from the western Pacific Ocean
FIGURE 1. Holothuria (Semperothuria) roseomaculata n. sp. (A) Holotype UF5850 in situ. (B) Characteristic appearance when preserved. (C) U-shaped posture when disturbed. (D) Semi-cryptic habit with only anterior exposed. (E) Detail of anterior end. (F) Detail of fully extended dorsal papilla. Photos B and C by R. Clouse, D and E by E. Tardy.
FIGURE 1 in The caudinid sea cucumbers of New Zealand (Echinodermata: Holothuroidea: Molpadida: Caudinidae)
FIGURE 1. Photos of preserved specimens of species in the family Caudinidae Heding, 1931: a, Hedingia glabra (Théel, 1886) (NIWA 64078); b, Paracaudina alta sp. nov. (NIWA 68129); c, Paracaudina chilensis (Müller, 1850) (NIWA 77411); d, Paracaudina coriacea (Hutton, 1872) (NIWA 70954); e, Paracaudina coriacea (Hutton, 1872) lectotype (NHMUK 98.10.8.1.2); f, Paracaudina reductia sp. nov. (NIWA 70957).
FIGURE 6 in The caudinid sea cucumbers of New Zealand (Echinodermata: Holothuroidea: Molpadida: Caudinidae)
FIGURE 6. Paracaudina coriacea (Hutton, 1872) lectotype (1898.10.8.1). The thickness is apparent in these closed knobbed cup ossicles but surface knobs and marginal knobs are less bulbous than seen on other P. coriacea ossicles. Under light microscopy these appear identical to Figure 5 ossicles.
FIGURE 2 in The caudinid sea cucumbers of New Zealand (Echinodermata: Holothuroidea: Molpadida: Caudinidae)
FIGURE 2. Hedingia glabra (Théel, 1886) (NIWA 64137). SEM images A–D showing form of large perforated table base ossicles with 3–6 central perforations; E, light microscopy image, side view of table ossicle showing central spire with pillars and crossbars.
FIGURE 4 in The caudinid sea cucumbers of New Zealand (Echinodermata: Holothuroidea: Molpadida: Caudinidae)
FIGURE 4. Paracaudina chilensis (Müller, 1850) (NIWA 77411). SEM images showing form of regular octagonal closed knobbed cup ossicles.
FIGURE 3 in The caudinid sea cucumbers of New Zealand (Echinodermata: Holothuroidea: Molpadida: Caudinidae)
FIGURE 3. Paracaudina alta sp. nov. (NIWA 43346, Paratype). SEM images showing irregular and variable closed knobbed cup ossicles. The ossicle form may be twisted, round, triangular, elongate or octagonal.
FIGURE 7 in The caudinid sea cucumbers of New Zealand (Echinodermata: Holothuroidea: Molpadida: Caudinidae)
FIGURE 7. Paracaudina reductia sp. nov. (NIWA 70957, Holotype). SEM images showing closed knobbed cups with a basal central cross superstructure reduced to small X or H-shape.
FIGURE 2 in Lissothuria caboblanquensis n. sp., a new species of sea cucumber (Holothuroidea: Dendrochirotida: Psolidae) from Costa Rica
FIGURE 2. Holotype of Lissothuria caboblanquensis sp. nov., ICML-UNAM 10165; A) Smooth perforated plates from the sole; B) Knobbed perforated plates from the sole; C) Small shallow baskets from the sole; D) Flattened perforated rods from the tentacles; E) curved perforated rod from the tentacles; F) Small rosettes from the tentacles. Scale for all ossicles: 50 µm.
FIGURE 1. A in Lissothuria caboblanquensis n. sp., a new species of sea cucumber (Holothuroidea: Dendrochirotida: Psolidae) from Costa Rica
FIGURE 1. A) Holotype of Lissothuria caboblanquensis sp. nov., ICML-UNAM 10165, showing dorsal, ventral and lateral views, scale: 5 mm; B) Dorsal scale showing the perforation for the tube feet, scale: 500 µm; C) Elaborated hourglass shaped ossicles from the dorsal side; D) Different towers shaped bodies from the dorsal side; E) Baskets of the dorsal surface; F) Perforated plates of the dorsal surface, scale for C, D, E and F: 50 µm.
FIGURE 3. A in Lissothuria caboblanquensis n. sp., a new species of sea cucumber (Holothuroidea: Dendrochirotida: Psolidae) from Costa Rica
FIGURE 3. A) Dorsal view of paratype of Lissothuria caboblanquensis sp. nov., ICML-UNAM 10166, scale: 2 mm; B) Lateral view of paratype; C) Detail of the sole margin (anterior part of body) showing the three rows of tube feet, scale: 1 mm; D) Detail of the dorsal scales of the body, scale: 2 mm; E) Detail of valves of the anal shield, scale: 500 µm.
FIGURE 8. Taeniogyrus bamberi O in New taeniogyrinid species of sea cucumber from the Weddell Sea (Echinodermata: Holothuroidea: Synaptida)
FIGURE 8. Taeniogyrus bamberi O'Loughlin sp. nov. paratype (NMV F218847) SEM images. A, plates from the calcareous ring; B, rods from the tentacles.
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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.