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FIGURE 4 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 4. Tube ultrastructures of Spirodiscus grimaldii. A–J: PIN 5485/10, A—longitudinal wall section, B—enlarged outer part with a layer of crystals oriented in two directions subparallel to surface, C—enlarged middle wall part consisting of elongated crystals, D—enlarged inner wall part showing consolidated isometric crystals, E—tube cross-section, median rib clearly visible to the left, F—enlarged tube wall section through lateral keel, G—enlarged tube wall section through median keel, H—enlarged inner wall part, I—middle wall part, J—outer wall part, layer with two-direction crystal orientation resembling a pile of isometric crystals. Arrows indicate direction of tube growth. Abbreviation: o. s.—outer tube surface.

opennotspecifiedDec 2015View details →
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FIGURE 1 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 1. External morphology of polygonal serpulid tubes. Recent species: A—Spirodiscus grimaldii, R/V VITYAZ-2, St. 78. B, C—Bathyditrupa hovei, R/V VITYAZ-2, St. 79. D—Spirodiscus groenlandicus comb. nov., R/V VITYAZ-2, St. 79. E— Bathyvermilia gregrousei sp. nov., R/V VITYAZ, St. 5074. F—Hyalopomatus dieteri sp. nov., R/V JEAN CHARCOT, cruise BIOCAL, St. CP27. G—Zibrovermilia zibrowii gen. et sp. nov., R/V ALIS, cruise MUSORSTOM 6, St. CP438. Fossil tubes: H, I—Nogrobs cf. vermicularis, PIN 5485/23. J–K—Glandifera cf. vertebralis, spirally coiled juvenile tube with median keel running along the lateral tube side, PIN 5485/02. L, M—Glandifera cf. vertebralis, a fragment of straight adult tube with regular peristomes, PIN 5485/01. N, O—Tetraserpula barremica, PIN 5485/06. P, Q—Tetraditrupa canteriata, PIN 5485/04. R–T—Tubulostium discoideum, ARI Od 224/70 (the specimen figured by Chiplonkar & Tapaswi, 1973, pl. 11, fig. 15).

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FIGURE 16 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 16. Tube ultrastructures of fossil tetragonal serpulids from the Middle Jurassic. A-D: Tetraserpula sp. 2 PIN 5485/ 19, A—longitudinal wall section, B—enlarged outer part showing large consolidated crystal aggregates, C—enlarged middle wall part containing isometrical crystals, D—enlarged inner wall part. E-H: Nogrobs tumidus PIN 5485/20, E—longitudinal wall section, F—enlarged outer wall part, G—enlarged middle wall part, H—enlarged inner wall part. Arrows indicate direction of tube growth and are placed along the axis of parabolic growth lamellae. Abbreviation: g. l.—growth lamellae; o. s.—outer surface of the tube.

opennotspecifiedDec 2015View details →
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FIGURE 3 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 3. SEM images of Bathyditrupa hovei AM W.46394. A—anterior tube part, B—lateral view of thorax, C—radioles with operculum, D—dorsal view of thorax showing thoracic membranes, E—lateral view of thorax and radioles showing pinnulated peduncle, F—collar chaetae, G—abdominal chaeta, H—thoracic uncini, I—abdominal uncini, J—thoracic chaetae.

opennotspecifiedDec 2015View details →
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FIGURE 11 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 11. Tube ultrastructures of Hyalopomatus dieteri sp. nov. A–E: PIN 5485/16, A—longitudinal wall section with parabolic texture in middle wall part, B—enlarged outer part consisting of larger slightly elongated and isometric crystals, Cenlarged middle wall part, parabolic texture produced by orientation of elongated crystals along growth lines, D—enlarged inner wall part showing slight transition to isometric smaller crystals, E—oblique longitudinal section through inner wall part showing orientation of crystals transversely to growth axis, F—tube cross-section, G—enlarged cross-section across tube edge, H—enlarged outer wall part, I—details of middle wall part consisting of isometric to slightly elongated crystals in tube edge area, J—details of inner wall part showing layer with ordered cigar-shaped crystals. Arrows indicate direction of tube growth (where known). Abbreviations: g. l.—growth lamellae, o. s.—outer tube surface.

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FIGURE 9 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 9. Tube ultrastructures of Bathyvermilia gregrousei sp. nov. A–D and F–J: PIN 5485/13, A—general view of longitudinal wall section, B—enlarged outer wall part consisting of elongated crystals positioned parallel to direction of tube growth, C—enlarged middle wall part consisting of elongated loosely oriented crystals, D—details of inner wall part with clearly visible cavities and thin inner layer, F—transverse section, G—enlarged edge showing inner layer with cavities, Hdetails of outer wall part, I—middle part of tube wall with unoriented crystals, J—details of wall inner part, including cavities and innermost layer. E: PIN 5485/14, empty tube of (?)Bathyvermilia gregrousei sp. nov. identified by ultrastructure only, longitudinal section of anterior tube end showing diagnostic inner layer with cavities. Arrows indicate direction of tube growth. Abbreviations: g. l.—growth lamellae, o. s.—outer tube surface.

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FIGURE 15 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 15. Tube ultrastructures of fossil tetragonal serpulids from the Middle Jurassic. A-D: Nogrobs cf. vermicularis PIN 5485/18. A—longitudinal wall section, B—enlarged outer part consisting of consolidated crystal aggregates, crystal growth lines are visible; C—enlarged middle wall part containing irregularly-shaped and isometrical crystals; D—enlarged middle (left) and inner (right) wall parts. E-H: Glandifera cf. vertebralis, PIN 5485/03. E—longitudinal wall section; F—enlarged outer to middle part consisting of consolidated aggregates in the outer part, with appearance of isometric crystals in the middle part; G—enlarged middle part of the wall, containing irregularly-shaped and isometrical crystals; H—enlarged inner part of tube wall. Arrows indicate the direction of growth and placed along the axis of parabolic growth lamellae, dashed line marks the inner margin of tube wall. Abbreviation: o. s.—outer tube surface.

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FIGURE 2 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 2. Tube ultrastructures of Bathyditrupa hovei. A–D: PIN 5485/08, A—longitudinal wall section, B—enlarged outer wall part, C—enlarged middle wall part consisting of elongated crystals, D—enlarged inner wall part showing a thin layer of smaller isometric crystals. E: PIN 5485/09, middle wall part showing loose transverse orientation of crystals (oblique section). F: PIN 5485/11, longitudinal wall section. G–I: PIN 5485/15, a series of tube fragments of different sizes (may belong to different specimens) showing no principal ultrastructural ontogenetic changes. Arrows indicate direction of tube growth. Abbreviation: o. s.—outer tube surface.

opennotspecifiedDec 2015View details →
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FIGURE 6 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 6. Tube ultrastructures of Spirodiscus groenlandicus comb. nov. A–J: PIN 5485/12, A—longitudinal wall section, B—enlarged outer part with a layer consisting of large cigar-shaped crystals packed in bundles oriented in two directions, Cenlarged middle wall part consisting of small elongated crystals, D—enlarged middle (right) and inner (left) parts of tube wall, the latter consisting of very small consolidated isometric crystals, E—longitudinal wall section near tube mouth, F—tube crosssection, edges grouped by two, G—enlarged edge section, H—enlarged outer wall part, outer layer resembling a pile of isometric crystals, I—details of middle wall part, J—details of inner wall part. Arrows indicate direction of tube growth (where known). Abbreviations: o. s.—outer tube surface.

opennotspecifiedDec 2015View details →
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FIGURE 5 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 5. SEM images of Spirodiscus grimaldii AM W.46396. A—lateral view of entire animal, B—close-up view of the thorax, C—collar chaetae, D—thoracic uncini, E—thoracic uncini, F—anterior abdominal chaeta, G—abdominal uncini.

opennotspecifiedDec 2015View details →
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FIGURE 14 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 14. Photos and SEM images of Zibrovermilia zibrowii gen. et sp. nov. AM W.46387. A–C: photos, A—tubes, Blateral view of thorax stained with methyl blue, C—radiolar crown with operculum and pinnulated opercular peduncle similar to other radioles, D–K: SEM images, D—tube fragment with denticulate edges, E—collar chaetae, F—thoracic chaetae, G, Habdominal chaetae, I—thoracic uncini, J—posterior abdomen, K—abdominal uncini.

opennotspecifiedDec 2015View details →
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FIGURE 17 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 17. Tube ultrastructures of fossil tetragonal serpulids from the Lower Cretaceous. A-D: Tetraserpula sp. 4 PIN 5485/ 21, A—longitudinal wall section, B—enlarged outer wall part showing isometric crystals forming homogenous granular (HG) ultrastructure, C—enlarged middle part consisting of isometric crystals, D—enlarged inner wall part. E-H: Tetraserpula barremica PIN 5485/07, E—longitudinal wall section showing a transition from prismatic crystals in outer wall to isometric in inner wall, F—enlarged outer (unaltered) wall part showing elongated oriented crystals near wall surface and isometric crystals near axial part of parabolic lamellae, G—enlarged axial wall part (slightly recrystallised) consisting mostly of small slightly elongated crystals, H—inner wall part (heavily recrystallised) consisting of small isometric crystals. Arrows indicate direction of tube growth and are placed along axis of parabolic growth lamellae. Abbreviation: o. s.—outer tube surface.

opennotspecifiedDec 2015View details →
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FIGURE 18 in Deep-sea serpulids (Annelida: Polychaeta) in tetragonal tubes: on a tube convergence path from the Mesozoic to Recent

FIGURE 18. Tube ultrastructures of fossil tetragonal serpulids from the Upper Cretaceous. A-D: Tetraditrupa rustica PIN 5485/22, A—longitudinal wall section, B—enlarged outer part with a layer of crystals oriented perpendicular to outer surface, C—enlarged middle wall part consisting of isometric crystals, D ‒ enlarged inner wall part. E-H: Tetraditrupa canteriata PIN 5485/05, E—longitudinal wall section, F—enlarged outer wall part showing elongated oriented crystals and isometric crystals near outer wall, G ‒ enlarged axial wall part made of small isometric crystals, H—enlarged inner wall part made of (?) partly recrystallised elongated oriented crystals. Arrows indicate direction of tube growth, and are placed along axis of parabolic growth lamellae, dashed line marks inner wall margin. Abbreviation: o. s.—outer tube surface.

opennotspecifiedDec 2015View details →
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FIGURE 4. Google Earth 2015 in Checklist of Recent thecideoid brachiopods from the Indian Ocean and Red Sea, with a description of a new species of Thecidellina from Europa Island and a re-description of T. blochmanni Dall from Christmas Island

FIGURE 4. Google Earth 2015 Digital Globe map of Christmas Island, showing collecting areas for Thecidellina blochmanni and T. cf. blochmanni at Flying Fish Cove and West White Beach (Bay), respectively. Flying Fish Cove coordinates are lat. 10° 25'S, long. 105° 40'E.

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FIGURE 2 in Checklist of Recent thecideoid brachiopods from the Indian Ocean and Red Sea, with a description of a new species of Thecidellina from Europa Island and a re-description of T. blochmanni Dall from Christmas Island

FIGURE 2. NASA image IS-5005-E-9408 of Europa Island, showing collecting locality Anse Gabriel (AG). Centre Point coordinates are lat. 22° 30'S, long. 40° 30'E.

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FIGURE 3. Thecidellina blochmanni Dall, 1920 in Checklist of Recent thecideoid brachiopods from the Indian Ocean and Red Sea, with a description of a new species of Thecidellina from Europa Island and a re-description of T. blochmanni Dall from Christmas Island

FIGURE 3. Thecidellina blochmanni Dall, 1920 (A–O). A–E. SEMs of different views of the dorsal valve of the suggested neotype ZMB Bra 205 from Flying Fish Cove, Christmas Island. F–J. SEMs of similar views of a young specimen, topotype ZMB Bra 204 from the same locality. K–O SEMs of similar views of WAM 211798 specimen identified here as T. cf. blochmanni from West White Beach, Christmas Island. All specimens show the cardinal process of the dorsal valve with prominent median keel, large diductor scars with elevated median ridge, and massive calcitic deposits, ("bouffant-like" in 3K) in anterior part of brachial lobes. See text for dimensions. All specimens in MfN, Berlin.

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FIGURE 1 in Checklist of Recent thecideoid brachiopods from the Indian Ocean and Red Sea, with a description of a new species of Thecidellina from Europa Island and a re-description of T. blochmanni Dall from Christmas Island

FIGURE 1. Thecidellina europa sp. nov., all specimens from Anse Gabriel, cave, 55m, Europa Island. A–H. Holotype, A. External view, showing both valves. B. Valves of previous specimen separated to show internal details of the ventral valve. C– D. Cardinal area of previous specimen tilted and enlarged to show planodeltidium, teeth, hemispondylium and curved prongs. E–H. Interior of dorsal valve of holotype. E. Showing details of the median septum and deep visceral cavities. F–G. Enlargement of posterior end of dorsal valve, showing cardinal process, spur (sp) and part of the brachial bridge. H. Side view, showing shell sloping upwards posteriorly and details of the median septum and tuberculate shell. I. Paratype 1, dorsal valve interior, showing lophophore, median septum and cardinal process with diductor muscles attached. J. Paratype 2, dorsal valve interior with cardinal process, bridge and spine, K. Paratype 3, ventral valve interior showing deep visceral cavities separated by prominent central ridge. L. Paratype 4, dorsal valve interior with finely spiculate canopy. M. Paratype 5, ventral valve interior, showing tooth (t), lateral adductor muscles (a), submedian adductor muscles (s) diductor muscles (d), and prongs (p), the latter attached to a flat hemispondylium centrally placed and attached to the valve floor. N. Paratype 6, dorsal valve showing cluster of diductor (d) muscles attached to the cardinal process. O. Paratype 7, ventral valve hinge area, showing same muscles as in M but with the proximal termination of the hemispondylium (hs) curled up free of the valve floor. All figures are scanning electron micrographs. See text for dimensions and specimen numbers. All specimens in NBM, Saint John.

opennotspecifiedDec 2015View details →
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FIGURES 25–28. Reptadeonella brasiliensis n in Taxonomy of recent Adeonidae (Bryozoa, Cheilostomata) from Brazil, with the description of four new species

FIGURES 25–28. Reptadeonella brasiliensis n. sp., USNM 8569, paratype, Bahia State, Brazil: 25, colony surface; 26, zooids at growing edge showing differentiating avicularian chambers; 27, 28, autozooids showing avicularia and spiramina (occluded in many zooids). Scale bars: 25 = 250 µm; 26–28 = 100 µm.

opennotspecifiedDec 2015View details →
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FIGURES 37–42 in Taxonomy of recent Adeonidae (Bryozoa, Cheilostomata) from Brazil, with the description of four new species

FIGURES 37–42. Colonies of Reptadeonella species: 37, Reptadeonella bipartita (UFBA 266, Bahia State, Brazil), encrusting colonies on large calcareous nodule. 38, Reptadeonella aspera n. sp. (UFBA 994, paratype, Bahia State, Brazil), encrusting colonies on calcareous nodules. 39–40, Reptadeonella brasiliensis n. sp., uncatalogued specimen from Alagoas State, Brazil (Fig. 39) and uncatalogued specimens, Bahia State, Brazil (Fig. 40). 41, Reptadeonella cucullata n. sp. (UFBA 637, holotype, Bahia State, Brazil), encrusting multilaminar colonies. 42, Reptadeonella leilae n. sp. (UFBA 1026, paratype, Bahia State, Brazil), encrusting colonies on calcareous nodules. Scale bars: 37 = 2 cm; 38 = 2 mm; 41, 42 = 5 mm.

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FIGURES 10–12. Reptadeonella costulata, USNM 8570 in Taxonomy of recent Adeonidae (Bryozoa, Cheilostomata) from Brazil, with the description of four new species

FIGURES 10–12. Reptadeonella costulata, USNM 8570, holotype, Rio de Janeiro State, Brazil: 10, part of encrusting colony; 11, 12, autozooids showing avicularia, subperistomial areolar pores adjacent to avicularia and tiny transverse spiramina. Scale bars: 10 = 500 µm; 11 = 200 µm; 12 = 100 µm.

opennotspecifiedDec 2015View details →

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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.

allen-brain-atlas
neuroscienceopenDocumentation, web resources, and API references are available online.
Last verified 2026-04-30Open record

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.

abode-home-cage
behavioral-neuroscienceopenThe DataShare record exposes download links for annotations, documentation, license text, and the zipped per-snippet data directory.
Last verified 2026-04-30Open record

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.

dandi-nwb
electrophysiologyopenPublished Dandiset metadata and archive endpoints are available through the production DANDI API.
Last verified 2026-04-30Open record

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.

ibl
behavioral-neuroscienceopenPublic sessions can be searched and loaded from the IBL public data server through ONE.
Last verified 2026-04-29Open record

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.

openneuro
neuroscienceopenPublished datasets are available on demand over the internet.
Last verified 2026-04-29Open record

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