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FIGURE 4. A in Notes on a small collection of thecate hydroids (Cnidaria: Hydrozoa) from Tristan da Cunha, south Atlantic
FIGURE 4. A to E: Halecium? delicatulum (Coughtrey, 1876), morphotype 2 (continued) – gonotheca replacing a hydrotheca (A) or arising from stolon (B); mature female gonotheca with eggs (C); various shapes of female gonotheca (D); cross section through gonotheca (E). F and G: Amphisbetia minima (Thompson, 1879) – basal portion of stem (F); gonotheca (G). H to M: Sertularella sp. – basal part of stem (H); fragment of stem showing its straight shape (I) and mode of branching (J); two internodes (K); shape of hydrotheca (L); frontal views of two hydrothecal apertures showing 3 and 5 internal projections of perisarc (M). N and O: Sertularella gayi (Lamouroux, 1821) – fragment of monosiphonic part of stem with basal parts of three side branches (N); various shapes of the hydrotheca (O); P and R: Aglaophenia parvula Bale, 1882 – hydrotheca and detail of its margin (P); female corbula (R). S: Antennella quadriaurita Ritchie, 1909 – detail of stem in lateral (left) and frontal (right) views. Scale bars: 100 µm (M, P); 200 µm (F, S); 300 µm (A, B, E, K, L, O); 400 µm (J); 500 µm (C, D, G); 750 µm (H); 1 mm (I, R); 1.5 mm (N).
FIGURE 3. A and B in Notes on a small collection of thecate hydroids (Cnidaria: Hydrozoa) from Tristan da Cunha, south Atlantic
FIGURE 3. A and B: Filellum sp. (material from station Stn. I 10) – portion of colony (A); hydrotheca (B). C: Halecium sp. – four erect stems. D: Halecium cf. beanii (Johnston, 1838) – fragment of monosiphonic part of stem with origin of a side branch. E and F: Halecium cf. delicatulum (Coughtrey, 1876), morphotype 1 – portion of stem (E); hydrotheca (F). G to P: Halecium? delicatulum (Coughtrey, 1876), morphotype 2 (part) – whole colony on piece of alga (G); cross section through the stolon (H); basal part of stem (I); portion of colony (J); various branching patterns (K – M); fragment of stem showing internodes (N); various shapes of primary hydrophores (O); gonotheca arising from primary hydrophore (P). Scale bars: 50 µm (H); 100 µm (F); 200 µm (B, F, O); 300 µm (A, E, I, P); 400 µm (D, K, L, M); 500 µm (N); 2 mm (J); 1 cm (G).
FIGURE 1 in Notes on a small collection of thecate hydroids (Cnidaria: Hydrozoa) from Tristan da Cunha, south Atlantic
FIGURE 1. Map of the Tristan da Cunha archipelago, with the location of stations yielding hydroid material.
FIGURE 2 in Notes on a small collection of thecate hydroids (Cnidaria: Hydrozoa) from Tristan da Cunha, south Atlantic
FIGURE 2. Typical habitats for hydroids on Tristan de Cunha. A and E: Dense Aglaophenia parvula Bale, 1882 tufts growing on wave-surged reef crest with sponges and colonial anemones. B: Silicularia rosea Meyen, 1834 and Obelia geniculata (Linnaeus, 1758) on Macrocystis pyrifera fronds. C: Antenella quadriaurita Ritchie, 1909 on vertical rock face with bryozoans, sponges and ascidians. D: Sertularella gayi (Lamouroux, 1821) and smaller hydroids growing on bedrock at 30 m. Photo courtesy of Sue Scott (A, B, C, and E) and Paul Tyler (D).
FIGURE 6 in An old taxonomic dilemma: the identity of the western south Atlantic lebranche mullet (Teleostei: Perciformes: Mugilidae)
FIGURE 6. Comparative plots of number of circumpeduncular scale rows between Mugil liza and M. cephalus.
FIGURE 3 in An old taxonomic dilemma: the identity of the western south Atlantic lebranche mullet (Teleostei: Perciformes: Mugilidae)
FIGURE 3. Comparative plots of number of transverse scale rows for population samples of Mugil liza within the range of the species.
FIGURE 2 in An old taxonomic dilemma: the identity of the western south Atlantic lebranche mullet (Teleostei: Perciformes: Mugilidae)
FIGURE 2. Regression of number of gill rakers versus standard length for specimens of Mugil liza within the range of the species.
FIGURE 7 in A new record of Sphaeroma annandalei Stebbing, 1911 (Crustacea: Isopoda: Sphaeromatidae) from the Persian Gulf, and description of a new related species (Sphaeroma silvai nov. sp.) from the South Atlantic Ocean
FIGURE 7. Sphaeroma silvai, holotype (male). A, dorsal view; B, lateral view; C, antennule; D, antenna.
FIGURE 2. Sphaeroma annandalei, male. A in A new record of Sphaeroma annandalei Stebbing, 1911 (Crustacea: Isopoda: Sphaeromatidae) from the Persian Gulf, and description of a new related species (Sphaeroma silvai nov. sp.) from the South Atlantic Ocean
FIGURE 2. Sphaeroma annandalei, male. A, maxillule; B, maxilla; C, right mandible; D, palp of right mandible.
FIGURE 8 in A new record of Sphaeroma annandalei Stebbing, 1911 (Crustacea: Isopoda: Sphaeromatidae) from the Persian Gulf, and description of a new related species (Sphaeroma silvai nov. sp.) from the South Atlantic Ocean
FIGURE 8. Sphaeroma silvai sp. nov., holotype (male). A, maxillule; B, maxilla; C,maxilliped; D, right mandible; E, palp of right mandible.
FIGURE 12. SEM. A–C in A new record of Sphaeroma annandalei Stebbing, 1911 (Crustacea: Isopoda: Sphaeromatidae) from the Persian Gulf, and description of a new related species (Sphaeroma silvai nov. sp.) from the South Atlantic Ocean
FIGURE 12. SEM. A–C Sphaeroma annandalei; A, frons and anterior of head; B, dorsal view of pleotelson; C, ventral view of pleotelson; D–F, Sphaeroma silvai sp. nov., paratype (male).
FIGURE 10 in A new record of Sphaeroma annandalei Stebbing, 1911 (Crustacea: Isopoda: Sphaeromatidae) from the Persian Gulf, and description of a new related species (Sphaeroma silvai nov. sp.) from the South Atlantic Ocean
FIGURE 10. Sphaeroma silvai sp. nov., holotype (male). A–C, pereopods 4–6; D, basis of pereopod 5; E, penes.
FIGURE 38 in A taxonomic guide to the Echinodermata of the South Atlantic Bight, USA: 1. Sea cucumbers (Echinodermata: Holothuroidea)
FIGURE 38. Leptosynapta tenuis (Ayres, 1851). A, whole animal; B, anchor plate; C, anchor; D, miliary granules.
FIGURE 36 in A taxonomic guide to the Echinodermata of the South Atlantic Bight, USA: 1. Sea cucumbers (Echinodermata: Holothuroidea)
FIGURE 36. Epitomapta roseola (Verrill, 1873). A, whole animal; B, anchor; C, anchor plate; D, miliary granules.
FIGURE 35 in A taxonomic guide to the Echinodermata of the South Atlantic Bight, USA: 1. Sea cucumbers (Echinodermata: Holothuroidea)
FIGURE 35. Paracaudina chilensis obesacauda (H.L. Clark, 1908). A, whole animal; B, C, crossed cups.
FIGURE 10 in A taxonomic guide to the Echinodermata of the South Atlantic Bight, USA: 1. Sea cucumbers (Echinodermata: Holothuroidea)
FIGURE 10. Aslia surinamensis (Semper 1868). A, whole animal; B, button; C, D, cups in top and side view.
FIGURE 7 in A taxonomic guide to the Echinodermata of the South Atlantic Bight, USA: 1. Sea cucumbers (Echinodermata: Holothuroidea)
FIGURE 7. Duasmodactyla seguroensis (Deichmann, 1930). A, whole animal; B, table in lateral view; C, table, top view.
FIGURE 19 in A taxonomic guide to the Echinodermata of the South Atlantic Bight, USA: 1. Sea cucumbers (Echinodermata: Holothuroidea)
FIGURE 19. Phyllophorus (Urodemella) arenicola Pawson & Miller, 1992. A, whole animal; B, C, D tables in top and oblique views.
FIGURE 6. Some SERTC holothurians. a in A taxonomic guide to the Echinodermata of the South Atlantic Bight, USA: 1. Sea cucumbers (Echinodermata: Holothuroidea)
FIGURE 6. Some SERTC holothurians. a) Pentamera pulcherrima; b) Thyonella pervicax; c) Aslia pygmaea; d) Holothuria princeps; e) Actinopyga agassizii; f) Isostichopus badionotus. Scalebars: a = 1 cm; b,c = 2 cm; d,e,f = 5 cm.
FIGURE 5. Some representative holothurian body wall ossicles. A–E, G–H in A taxonomic guide to the Echinodermata of the South Atlantic Bight, USA: 1. Sea cucumbers (Echinodermata: Holothuroidea)
FIGURE 5. Some representative holothurian body wall ossicles. A–E, G–H, tables viewed from various angles; F, crossed cup; I, perforated rod; J–N, smooth and knobbed buttons; O, cup; P, anchor plate; Q, anchor; R, C-shaped rod; S, wheel. Partly after Hendler et al., 1995.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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
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.