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668 results for “polychaetes”
FIGURE 2. A in Capitella ambonensis: a new polychaete species (Annelida: Capitellidae) collected from a mangrove habitat on Ambon Island, Indonesia
FIGURE 2. A, lateral view from prostomium to 5th abdominal segment (holotype); B, dorsal view from prostomium to 5th abdominal segment (holotype); C, genital spines of the paratype MZB. Pol. 00184; D, dorsal appearance of chaetigers 7, 8 and 9 of a female (?) specimen; E, posterior end with pygidium of the paratype MZB. Pol. 00188. Pro, Prostomium; Per, Peristomium; gs, genital spines; Pyg. Pygidium; numbers indicate chaetigers. Scale bars: A–E = 1.0 mm
FIGURE 1 in Capitella ambonensis: a new polychaete species (Annelida: Capitellidae) collected from a mangrove habitat on Ambon Island, Indonesia
FIGURE 1. Map of the sampling stations. Red circles from the lower left clockwise: stations 1, 2, 3, 4 and 5. The map is taken and modified from Google Earth (data providers: TerraMetrics & DigitalGlobe).
FIGURE 5. A–D in Capitella ambonensis: a new polychaete species (Annelida: Capitellidae) collected from a mangrove habitat on Ambon Island, Indonesia
FIGURE 5. A–D, Scanning electron micrographs of C. ambonensis sp. nov. A, lateral view, chaetigers 4 to 11; B, hooks of the second abdominal notopodia in one fascicle; C–D, hooded hooks of the anterior abdominal neuropodia; E, line drawing of the hooded hook. Scale bars: A = 0.5 mm, B = 15 µm, C–D = 5.0 µm, E = 10 µm. lp, lateral pore.
FIGURE 4 in Capitella ambonensis: a new polychaete species (Annelida: Capitellidae) collected from a mangrove habitat on Ambon Island, Indonesia
FIGURE 4. Methylene blue staining pattern of the holotype. A, lateral view, prostomium to 5th abdominal segment; B, dorsal view, prostomium to 4th abdominal segment; C, ventral view, prostomium to 4th abdominal segment; D, mid-ventral abdomen. Scale bars: A–D = 1.0 mm.
FIGURE 3. Morphological comparison between C in Capitella ambonensis: a new polychaete species (Annelida: Capitellidae) collected from a mangrove habitat on Ambon Island, Indonesia
FIGURE 3. Morphological comparison between C. capitata (A) and C. ambonensis sp. nov. (B). Scale bars: A = 0.5 mm, B = 1.0 mm. A, modified after Blake (2009).
Figure 11. Oxydromus humesi. A, B in On the enigmatic symbiotic polychaete 'Parasyllidea' humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
Figure 11. Oxydromus humesi. A, B, sequences of two specimens fighting each other. Arrows indicate the heads of both worms.
Figure 9 in On the enigmatic symbiotic polychaete 'Parasyllidea' humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
Figure 9. Oxydromus humesi and Scrobicularia plana. Failed attempts to enter the host. A1–A3, through the exhalant siphon. B1–B3, through the basis of the siphon; B1, anterior and mid-posterior ends of the symbiont outside the host at the lateral of the siphonal region; B2, foot of the host trying to discourage the symbiont from entering the host; B3, the symbiont fully outside the host after being expelled. Arrows indicate the head of the symbiont.
Figure 8. Oxydromus humesi and Scrobicularia plana. First contacts with the host. A1–A3 in On the enigmatic symbiotic polychaete 'Parasyllidea' humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
Figure 8. Oxydromus humesi and Scrobicularia plana. First contacts with the host. A1–A3, contact with the bivalve and displacement to lie between shell and glass bottom. B1–B3, crawling over the host shell until reaching the siphons.
Figure 7 in On the enigmatic symbiotic polychaete 'Parasyllidea' humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
Figure 7. Oxydromus humesi. Stereomicrographs of a preserved specimen from Cádiz Bay. A, anterior region, dorsal view. B, chaetiger 5 (without chaetae). C, chaetiger 20 (without chaetae).
Figure 5 in On the enigmatic symbiotic polychaete 'Parasyllidea' humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
Figure 5. Oxydromus humesi. SEM photographs of the specimens from Cádiz Bay (A, B, F, G) and Congo (C, D, E, H). A, detail of the anterior end, ventral view. B, detail of the prostomium, ventral view; arrow pointing to central antennae. C, mid-body compound chaetae. D, F, details of the blade tip. E, G, details of the basal cutting edge of the blade. H, posterior end showing the pygidial cirri, lateral view. Scale bars are micrometres.
Figure 4 in On the enigmatic symbiotic polychaete 'Parasyllidea' humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
Figure 4. Oxydromus humesi. SEM photographs of the specimens from Congo (A, C, E) and Cádiz Bay (B, D, F). A, B, anterior end, dorsal view. C, D, detail of the anterior end, dorsal view; white arrow indicates the position of the nuchal organ. E, F, detail of the prostomium, dorsal view; the arrows indicate the prostomial median ridge and the expected position of the minute central antennae (visible only in F). Scale bars are micrometres.
Figure 10 in On the enigmatic symbiotic polychaete 'Parasyllidea' humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
Figure 10. Oxydromus humesi and Scrobicularia plana. Successful attempts to enter the host. A1–A3, through the apex- orientated side of the foot. B1–B3, through the inhalant siphon.
Figure 2 in On the enigmatic symbiotic polychaete 'Parasyllidea' humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
Figure 2. Phylogenetic tree from the Bayesian analysis (BA) together with support values from the maximumlikelihood (ML) and maximum-parsimony (PA) analyses, assessed from the combined data set. First node values represent posterior probabilities from BA, second bootstrap support from ML,- and third bootstrap from PA. *The method supports another resolution (support value in parentheses following the asterisk). Nodes in ML or PA that are not in BA due to an unresolved polytomy are not indicated.
Figure 3 in On the enigmatic symbiotic polychaete 'Parasyllidea' humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
Figure 3. Oxydromus humesi. Digital photographs of a living specimen from the Cádiz Bay. A, entire specimen, dorsal view. B, anterior end, dorsal view. C, anterior end, ventral view; intracoelomic oocites visible through body wall (white arrow). Scale bars are in centimetres.
Figure 1 in On the enigmatic symbiotic polychaete 'Parasyllidea' humesi Pettibone, 1961 (Hesionidae): taxonomy, phylogeny and behaviour
Figure 1. Location of sites where hosts were collected at Cádiz Bay. 1, Scrobicularia plana; 2, Cerastoderma glaucum and Psammotreta cumana. Images obtained from Google Earth, version 7.1.2.2041, (c) Google 2015.
FIGURE 10. Polycirrus rhombolabiatus n in Polychaetes (Annelida: Polychaeta) off Kıyıköy (Black Sea, Türkiye) with descriptions of three new species
FIGURE 10. Polycirrus rhombolabiatus n. sp. (Holotype, ESFM-POL/2022-009). A, Antero-ventral view of body; B, Limbate chaeta on chaetiger 9; C, Notopodium on chaetiger 6; D, Uncinus on abdominal chaetiger. Scale Bar: A, 660 µm; B, 18 µm; C, 52 µm; D, 12 µm.
FIGURE 9. Polycirrus karadenizicus n in Polychaetes (Annelida: Polychaeta) off Kıyıköy (Black Sea, Türkiye) with descriptions of three new species
FIGURE 9. Polycirrus karadenizicus n. sp. (Paratype, ESFM-POL/2022-008). A, Antero-dorsal view of body with prostomial lateral process; B, First notopodium with limbate chaeta; C, Pinnate chaetae on chaetiger 5; D, Antero-ventral view of body; E, Antero-lateral view of body; F, Postero-ventral view of body with a mid-ventral groove and pygidium; G, Buccal tentacles; H, Lateral view of uncini on abdominal chaetiger; I, Uncini on abdominal chaetiger. Abbreviations: P*, basal part of prostomium; plp, prostomial lateral process; ul, upper lip; ll, lower lip; Numbers refer to segments. Scale Bar: A, 472 µm; B, 36 µm; C, 22 µm; D, 737 µm; E, 548 µm; F, 936 µm; G, 272 µm; H, 8 µm; I, 9 µm.
FIGURE 7. Polycirrus karadenizicus n in Polychaetes (Annelida: Polychaeta) off Kıyıköy (Black Sea, Türkiye) with descriptions of three new species
FIGURE 7. Polycirrus karadenizicus n. sp. (Holotype, ESFM-POL/2022-007). A, Antero-dorsal view; B, Antero-ventral view; C, Uncinus from posterior chaetiger; D, Limbate chaeta on chaetiger 1; E, Pinnate chaeta on chaetiger 4; F, notopodium of chaetiger 4. Scale Bar: A, 593 µm; B, 620 µm; C–D, 10 µm; E, 12 µm; F, 77 µm.
FIGURE 6. Erinaceusyllis defneae n in Polychaetes (Annelida: Polychaeta) off Kıyıköy (Black Sea, Türkiye) with descriptions of three new species
FIGURE 6. Erinaceusyllis defneae n. sp. (paratype ESFM-POL/2022-015). A, Body, dorsal view; B, Anterior end, dorsal view; C, Posterior end, dorsal view; D-E, Mid-body falcigers; F, Dorsal simple chaeta on mid-body chaetiger. Scale bar: A,100 µm; B, 42 µm; C, 46 µm; D, 5 µm; E, 6 µm; F, 4 µm.
FIGURE 4 in Polychaetes (Annelida: Polychaeta) off Kıyıköy (Black Sea, Türkiye) with descriptions of three new species
FIGURE 4. Dorsal view of the whole body of Erinaceusyllis defneae n. sp. with (A) and without (B) sand inclusions, paratype ESFM-POL/2022-015.
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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)
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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.