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228 results for “Cold seep”
Figure 4 in Provannid and provannid-like gastropods from the Late Cretaceous cold seeps of Hokkaido (Japan) and the fossil record of the Provannidae (Gastropoda: Abyssochrysoidea)
Figure 4. Juvenile Recent Provannidae and Abyssochrysidae (A–D) and patterns of shell decolation and preservation (E–F). A, E, Desbruyeresia spinosa Warén & Bouchet, 1993 from North Fiji Basin (specimen illustrated also in Warén & Bouchet, 1993: fig. 44D). A, decollate protoconch; E, details of decollation; note no signs of shell abrasion on the protoconch edges B, decollated protoconch of Alviniconcha hessleri Okutani & Ohta, 1988 from north Fiji Basin (specimen illustrated also in Warén & Bouchet, 1993: fig. 44C). C, paucispiral protoconch of Provanna segonzaci Warén & Ponder, 1991 from Lau Basin. D, Abyssochrysos sp. from off New Caledonia; note axial ribs and spiral riblets at the beginning of paucispiral protoconch. F, decollation pattern of terrestrial gastropod Rumina decollata Linné, 1758. G, typical pattern of in-vivo apex erosion in Phymorhynchus sp. shell from the Lucky Strike site on the Mid-Atlantic Ridge; note shell surface abrasion but no sign of decollation.
Fig. 9 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 9. Aulostomonema abyssum gen. et sp. nov. Composite light micrograph image of entire male, paratype (NIWA154912). Scale bar = 1000 µm.
Fig. 12 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 12. Deraionema barbatum gen. et sp. nov. Light micrographs. A –B, E–F. Paratype (NIWA154915). C –D. Holotype (NIWA154917). A. Male cephalic region showing lips, buccal cavity, pharynx and subcephalic setae. B. Male cephalic region showing amphideal aperture. C. Female cephalic region showing lips, buccal cavity and pharynx. D. Female cephalic region showing amphideal aperture and subcephalic setae. E–F. Copulatory apparatus. Abbreviations: aa = amphideal aperture; gu = gubernaculum; n = amphideal nerve; sp = spicule. Scale bar = 20 µm.
Fig. 6 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 6. Linhomoeus pycnocricus sp. nov. Light micrographs of male, paratype (NIWA154907). A. Cephalic region showing amphid. B. Cephalic region showing cephalic sensilla. C. Cephalic region showing subcephalic sensilla. D. Cephalic region showing buccal cavity and pharynx. E. Intestine. Scale bar: A–D = 20 µm; E = 15 µm.
Fig. 11 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 11. Deraionema barbatum gen. et sp. nov. A. Entire male, holotype (NIWA154914). B. Entire female, paratype (NIWA154917). Scale bar = 250 µm.
Fig. 3 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 3. Siphonolaimus curtisensillus sp. nov. Light micrographs. A–B, F. Holotype (NIWA154903). C. Paratype (NIWA154905). D–E, G. Paratype (NIWA154904). A. Male cephalic region showing pharynx and stylet. B. Male cephalic region showing amphid. C. Female anterior body region. D–E. Male intestine. F. Copulatory apparatus. G. Vulva and proximal portion of female genital branch. Scale bar: A–B = 20 µm; C–F = 10 µm; G = 15 µm.
Fig. 14 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 14. Aegialoalaimus magnus sp. nov.A. Entire male, holotype (NIWA154918).B. Female reproductive system, paratype (NIWA154920). Scale bar: A = 300 µm; B = 175 µm.
Fig. 17 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 17. Desmodora parapilosa sp. nov. Light micrographs, paratype (NIWA154923). A–B. Female cephalic region showing cuticle, amphid, and cephalic sensilla. C–D. Female cephalic region showing buccal cavity. Scale bar = 20 µm.
Fig. 13 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 13. Aegialoalaimus magnus sp. nov. A–B, D. Paratype (NIWA154920). C, E–F. Holotype (NIWA 154918). A–B. Female anterior body region. C. Male cephalic region. D. Female posterior body region. E. Male copulatory apparatus. F. Male posterior body region. Scale bar: A–B = 100 µm; C = 60 µm; D–E = 50 µm; F = 125 µm.
Fig. 2 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 2. Siphonolaimus curtisensillus sp. nov. A. Entire male, holotype (NIWA154903). B. Entire female, paratype (NIWA154904). Scale bar = 400 µm.
Fig. 5 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 5. Linhomoeus pycnocricus sp. nov. A. Entire female, paratype (NIWA154909). B. Entire male, paratype (NIWA154907). C. Female reproductive system, paratype (NIWA154910). Scale bar: A–B = 500 µm; C = 275 µm.
Fig. 1 in New nematode species and genera (Nematoda: Chromadorea) from cold seeps on Hikurangi Margin, New Zealand
Fig. 1. Siphonolaimus curtisensillus sp. nov. A, C. Holotype (NIWA154903). B, D, Paratype (NIWA 154904). E. Paratype (NIWA154905). A. Male anterior body region. B. Female anterior body region. C. Male posterior body region. D. Female posterior body region. E. Male posterior body region. Scale bar: A–B = 75 µm; C = 70 µm; D = 85 µm; E = 125 µm.
Seismic Imaging and Identification of Cold Seep Plumes in the Shenhu Area, Northern Continental Slope of the South China Sea
<p>The upload <a href="https://zenodo.org/api/records/14786925/draft/files/pstm_final.dat/content" target="_blank" rel="noopener noreferrer">pstm_final.dat</a> is the final pre-stacked time migration section which is used in our paper. <a href="https://zenodo.org/uploads/14786925" target="_blank" rel="noopener noreferrer">read_dat_file.m</a> is a MATLAB script, which is used to read dat file and plot the image. </p>
Fig. 2 in Thyasirid bivalves from Cretaceous and Paleogene cold seeps
Fig. 2. Geological ages of the fossil seep localities bearing thyasirids examined in this study.
FIGURE 8 in New sponge species from hydrothermal vent and cold seep sites off New Zealand
FIGURE 8. Protosuberites novaezelandiae sp. nov., holotype NIWA 32136, spicules: A, Large choanosomal tylostyle with a slightly sinuous shaft, unevenly thickened along the shaft, thicker in the upper half; B, Small ectosomal tylostyle with a straight shaft; C. Large choanosomal tylostyle with a well-developed, spherical head and slight development of the apex; D, Tylostyles in two size categories.
FIGURE 10 in New sponge species from hydrothermal vent and cold seep sites off New Zealand
FIGURE 10. Pseudosuberites thurberi sp. nov.: A. Preserved holotype NIWA 27044; B. Preserved paratype NIWA 32043; C. Preserved paratype NIWA 27043; D. Preserved paratype NIWA 27045.
FIGURE 5 in New sponge species from hydrothermal vent and cold seep sites off New Zealand
FIGURE 5. Haliclona (Halichoclona) sonnae sp. nov.: A. Encrusting, cushion-shaped specimens in situ (red arrows) intermingled with Haliclona (Soestella) battershilli sp. nov., at Southern vent field of the Calypso hydrothermal vent field (NIWA Stn KAH1004/8: image 1113; 37.688° S, 177.123° E, 190 m); B. Preserved holotype, NIWA 52859, showing cavernous interior and thick, flaky ectosome; C. Histological section of holotype showing the thick ectosome, dominated by an irregular, ladder-like reticulation, overlaid at the surface with a thin layer of paratangential oxeas. Also showing the highly cavernous subectosomal region separating the outer ectosome from the deeper choanosome; D. Histological section of the deep choanosome showing the loose, irregular, subisotropic to confused reticulation of oxeas in the choanosome, interrupted by large subdermal canals and spaces. Image in 4A captured by NIWA's DTIS (Deep Towed Imaging System) deployed from RV Kaharoa.
FIGURE 12 in New sponge species from hydrothermal vent and cold seep sites off New Zealand
FIGURE 12. Pseudosuberites thurberi sp. nov., holotype NIWA 27044, spicules: A, Choanosomal tylostyle, straight shafted; B, Choanosomal tylostyle, acutely bent in the upper proximal end of the spicule; C, Small, possibly ectosomal tylostyle; D, Choanosomal and ectosomal tylostyles of different lengths.
Data from: Restriction to large-scale gene flow versus regional panmixia among cold seep Escarpia spp. (Polychaeta, Siboglinidae)
The history of colonization and dispersal in fauna distributed among deep-sea chemosynthetic ecosystems remains enigmatic and poorly understood because of an inability to mark and track individuals. A combination of molecular, morphological and environmental data improves understanding of spatial and temporal scales at which panmixia, disruption of gene flow or even speciation may occur. Vestimentiferan tubeworms of the genus Escarpia are important components of deep -sea cold seep ecosystems, as they provide long-term habitat for many other taxa. Three species of Escarpia, Escarpia spicata [Gulf of California (GoC)], Escarpia laminata [Gulf of Mexico (GoM)] and Escarpia southwardae (West African Cold Seeps), have been described based on morphology, but are not discriminated through the use of mitochondrial markers (cytochrome oxidase subunit 1; large ribosomal subunit rDNA, 16S; cytochrome b). Here, we also sequenced the exon-primed intron-crossing Haemoglobin subunit B2 intron and genotyped 28 microsatellites to (i) determine the level of genetic differentiation, if any, among the three geographically separated entities and (ii) identify possible population structure at the regional scale within the GoM and West Africa. Results at the global scale support the occurrence of three genetically distinct groups. At the regional scale among eight sampling sites of E. laminata (n = 129) and among three sampling sites of E. southwardae (n = 80), no population structure was detected. These findings suggest that despite the patchiness and isolation of seep habitats, connectivity is high on regional scales.
FIGURE 1. Chiridota heheva new species. Approximately 4 in Chiridota heheva, new species, from Western Atlantic deepsea cold seeps and anthropogenic habitats (Echinodermata: Holothuroidea: Apodida)
FIGURE 1. Chiridota heheva new species. Approximately 4 individuals in situ near whitish bacterial mats (?) at Florida Escarpment seep site, eastern Gulf of Mexico, 3,270 meters. Alvin Dive 1343. Approximate diameter of body 5 mm. Photo, S. Golubic.
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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.