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668 results for “polychaetes”
FIGURE 1. Jasmineiricola mackiei n. gen. et n in A new genus and family of copepods (Crustacea: Copepoda) parasitic on polychaetes of the genus Jasmineira Langerhans, 1880 (family Sabellidae) in the northeastern Atlantic
FIGURE 1. Jasmineiricola mackiei n. gen. et n. sp. Adult female paratypes. A, Habitus, ventral; B, Habitus, dorsal; C, Oral processes and maxillipeds, ventral view; D, Maxilliped; E, Schematic of host polychaete containing three embedded females, view from left side; F, Developing adult female (arrowed in Fig. 1E), not exhibiting torsion between endosoma and ectosoma, ventral view. Scale bars A, B, F = 200 µm, C = 50 µm, D = 25 µm, E = 0.5 mm.
FIGURE 5 in A new genus and family of copepods (Crustacea: Copepoda) parasitic on polychaetes of the genus Jasmineira Langerhans, 1880 (family Sabellidae) in the northeastern Atlantic
FIGURE 5. Frequency distribution showing number of Jasmineiricola mackiei n. gen. et n. sp. per infected host (N = 58). Vertical axis, number of infected Jasmineira, horizontal axis, number of parasites per infected host.
FIGURE 4. Jasmineiricola mackiei n. gen. et n in A new genus and family of copepods (Crustacea: Copepoda) parasitic on polychaetes of the genus Jasmineira Langerhans, 1880 (family Sabellidae) in the northeastern Atlantic
FIGURE 4. Jasmineiricola mackiei n. gen. et n. sp. Scanning electron micrographs of ectosomas of adult females. A, Ectosomas of two females from Figure 3A; B, Ectosoma of ovigerous female, dorsal view showing shallow cuticular folds; C, Posterior surface of ectosoma showing anus and egg sac emerging from genital aperture; D, Detail of anus on anal prominence, and showing cuticular ornamentation of ridges and pores on postero-dorsal surface. Scale bars A = 200 µm, B = 50 µm, C–D = 20 µm.
FIGURE 3. Jasmineiricola mackiei n. gen. et n in A new genus and family of copepods (Crustacea: Copepoda) parasitic on polychaetes of the genus Jasmineira Langerhans, 1880 (family Sabellidae) in the northeastern Atlantic
FIGURE 3. Jasmineiricola mackiei n. gen. et n. sp. Scanning electron micrographs of adult females on host. A, Entire host showing ectosomas of two embedded females located in setigers 2 and 3; B, Anterior end of host showing ectosoma of female bearing paired uniseriate egg sacs (incomplete). Scale bars A = 0.5 mm, B = 200 µm.
FIGURE 2. Jasmineiricola mackiei n. gen. et n in A new genus and family of copepods (Crustacea: Copepoda) parasitic on polychaetes of the genus Jasmineira Langerhans, 1880 (family Sabellidae) in the northeastern Atlantic
FIGURE 2. Jasmineiricola mackiei n. gen. et n. sp. Adult female paratypes examined using Micro-CT. A, Anterior end of host showing ovigerous Jasmineiricola female embedded in setiger 2, with developing eggs visible within lateral lobes; B, Same, showing outline of cement glands within ectosoma; C, Entire host showing location of embedded Jasmineiricola female within host. Scale bars A–B = 100 µm, C = 1mm.
FIGURE 3. Nereis alacranensis n in Nereis alacranensis, a new species of polychaete (Annelida, Nereididae) from Alacranes Reef, southern Gulf of Mexico, with a key to Nereis from the Grand Caribbean
FIGURE 3. Nereis alacranensis n. sp. (Paratype). (A) Peristomium, ventral view. (B) Close-up of the peristomial ventral plate, on external side of peristomium. Nereis baolingi de León-González & Solís-Weiss, 2000 (Paratype). (C) Homogomph falciger. (D) Anterior end, dorsal view. (E) Anterior end, ventral view. (F) Jaws. Scale: A = 200 µm; B = 20 µm; C = 15 µm; D–E = 1 mm; F = 0.5 mm.
FIGURE 2. Nereis alacranensis n in Nereis alacranensis, a new species of polychaete (Annelida, Nereididae) from Alacranes Reef, southern Gulf of Mexico, with a key to Nereis from the Grand Caribbean
FIGURE 2. Nereis alacranensis n. sp. (A) Anterior end, dorsal view. (B) Anterior end, ventral view (arrow shows the peristomial ventral plate, arc shaped). (C) Notochaetae, homogomph spinigers. (D) Parapodia 1–2. (E) and (F) Homogomph falcigers. (G) Parapodium 10. (H) Neurochaetae, dorsal heterogomph falcigers. (I) Ventral heterogomph falcigers. (A, B, F: Holotype; C, D, E, G, H, I: Paratype. Scale: A–B = 0.7 mm; C = 40 µm; D,G = 100 µm; E,F,H,I = 10 µm.
FIGURE 1. Nereis alacranensis n in Nereis alacranensis, a new species of polychaete (Annelida, Nereididae) from Alacranes Reef, southern Gulf of Mexico, with a key to Nereis from the Grand Caribbean
FIGURE 1. Nereis alacranensis n. sp. (Holotype). (A) Anterior end, dorsal view. (B) Anterior end, ventral view (arrow shows the peristomial ventral plate, arc shaped). (C) Pygidium. (D) Parapodium 1. (E) Parapodium 10. (F) Parapodium 25. (G) Parapodium 50. Scale: A–B = 0.8 mm; C = 1 mm; D = 0.6 mm; E = 0.8 mm; F–G = 0.5 mm.
FIGURE 3 in Labrorostratus caribensis, a new oenonid polychaete from the Grand Caribbean living in the body cavity of a nereidid, with emendation of the genus
FIGURE 3. World distribution of parasitic Oenonid species with reduced maxillary apparatus (numbers matching those on the list of species from Table 2).
FIGURE 2. Labrorostratus caribensis n in Labrorostratus caribensis, a new oenonid polychaete from the Grand Caribbean living in the body cavity of a nereidid, with emendation of the genus
FIGURE 2. Labrorostratus caribensis n. sp. (A) Parapodium 100. (B) Modified ventral chaetae from medium parapodium. (C) Simple limbate chaetae from medium parapodium. (D) Simple bilimbate chaetae from posterior parapodium. Nereis sp. (E) Notopodial homogomph falciger from posterior parapodium. (F) Posterior parapodium, chaetae removed. Scale bars: A = 150 µm; B = 50 µm; C = 40 µm; D = 70 µm; E = 20 µm; F = 50 µm.
FIGURE 1. Labrorostratus caribensis n in Labrorostratus caribensis, a new oenonid polychaete from the Grand Caribbean living in the body cavity of a nereidid, with emendation of the genus
FIGURE 1. Labrorostratus caribensis n. sp. (A) Anterior region, lateral view. (B) Mandibles, ventral view. (C) maxillary carriers fused, ventral view. (D) Parapodium 6. (E) Parapodium 15. (F) Parapodium 30. (G) Parapodium 80. Scale bars: A = 250 µm; B = 100 µm; C = 150 µm; D-F = 100 µm; G = 150 µm.
FIGURE 2. Eunice laurillardi. Scanning electron micrographs. A in Rediscovery and redescription of Leodice laurillardi (Quatrefages, 1866) comb. nov. (Annelida: Eunicidae) — a rare European polychaete or just an overlooked species?
FIGURE 2. Eunice laurillardi. Scanning electron micrographs. A, anterior end, lateral view; B, detailed view of parapodium chaetiger 2 and 3; C, median chaetigers, lateral view; D, enlarged view of pygidium showing the anal cirri; E, detailed view of subacicular hook of parapodium chaetiger 30; F, detailed view of bidentate compound falciger of parapodium chaetiger 2; G, detailed view of pectinate chaeta of parapodium chaetiger 2; H, bundle of pectinate chaetae of parapodium chaetiger 6; I, bidentate compound falciger of parapodium chaetiger 40; J, detailed view of the aciculae of parapodium chaetiger 10.
FIGURE 1 in Rediscovery and redescription of Leodice laurillardi (Quatrefages, 1866) comb. nov. (Annelida: Eunicidae) — a rare European polychaete or just an overlooked species?
FIGURE 1. Leodice laurillardi (MNHN TYPE 419). Syntype A, B. A, detailed view of the prostomium and peristomium; B, anterior end, lateral view; C, detailed view of the maxillary apparatus. L, left side; Mb, mandibles; Mx, maxilla; R, right side.
FIGURE 3. Leodice laurillardi. A, parapodium chaetiger 2 in Rediscovery and redescription of Leodice laurillardi (Quatrefages, 1866) comb. nov. (Annelida: Eunicidae) — a rare European polychaete or just an overlooked species?
FIGURE 3. Leodice laurillardi. A, parapodium chaetiger 2; B, detailed view of branchia from chaetiger 30; C, parapodium chaetiger 60; D, parapodium chaetiger 150; E, bidentate compound falciger of parapodium chaetiger 2; F, aciculae of parapodium chaetiger 60; G, subacicular hook of parapodium chaetiger 60.
FIGURE 2 in A sea of worms: polychaete checklist of the Adriatic Sea
FIGURE 2. Map of personal research stations. (A) Distribution of stations in the Adriatic and details of stations in the Central and Southern Adriatic; (B) stations in the Northern Adriatic; (C) stations in the vicinity of the city Rovinj. NA, Northern Adriatic; CA, Central Adriatic, SA, Southern Adriatic.
FIGURE 3 in A sea of worms: polychaete checklist of the Adriatic Sea
FIGURE 3. The proportion of the eight richest families and other families in the total of the Adriatic polychaete fauna.
FIGURE 1 in A sea of worms: polychaete checklist of the Adriatic Sea
FIGURE 1. Location and map of the Adriatic Sea. (A) position within the Mediterranean Sea; (B) division in sectors: NA, Northern Adriatic; CA, Central Adriatic, SA, Southern Adriatic.
FIGURE 4 in A sea of worms: polychaete checklist of the Adriatic Sea
FIGURE 4. Cumulative number of valid polychaete species described over time in the Adriatic Sea. A, B, C, D, E = research periods.
FIGURE 12 in Hidden diversity within the polychaete Onuphis eremita sensu lato (Annelida: Onuphidae) — redescription of O. eremita Audouin & Milne-Edwards, 1833 and reinstatement of Onuphis pancerii Claparède, 1868
FIGURE 12. Onuphis pancerii. Specimens from Santander Bay (MNCN 16.01/15348, MNCN 16.01/15350). Scanning electron micrographs. A, bidentate pseudocompound hook, chaetiger 1; B, tridentate pseudocompound hook, chaetiger 1; C, tridentate pseudocompound hook, chaetiger 3; D, multidentate pseudocompound hook, chaetiger 3; E, multidentate pseudocompound hook, chaetiger 2; F, pectinate chaetae, chaetiger 10; G, subacicular hooks, chaetiger 10; sb, sensory bud.
FIGURE 11. Onuphis pancerii. A–D in Hidden diversity within the polychaete Onuphis eremita sensu lato (Annelida: Onuphidae) — redescription of O. eremita Audouin & Milne-Edwards, 1833 and reinstatement of Onuphis pancerii Claparède, 1868
FIGURE 11. Onuphis pancerii. A–D modified from Paxton (1986) -as O. eremita-, Neotype E–F (MNCN 16.01/311), Santander specimen I, J (MNCN 16.01/310). Line drawings. A, anterior end, dorsal view; B, parapodium chaetiger 1, anterior view; C, parapodium chaetiger 8, anterior view; D, parapodium chaetiger 53, anterior view; E, bidentate pseudocompound hook, chaetiger 2; F, quatridentate pseudocompound hook, chaetiger 3; G, tridentate pseudocompound hook, chaetiger 3; H, strongly tridentate pseudocompound hook, chaetiger 2; I, maxillae; J, mandibles.
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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
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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.