Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
406
datasets available to search
ShareScore release 0.7.1
Dataset results
406 results for “micro-CT”
Supplementary material S5. Ptilodactyla odnosum Telnov, Perkovsky, Kundrata and Bukejs sp. nov., holotype, MAIG-6710, female, X-ray micro-CT volume rendering of the left antenna.
<p>Supplementary material S5 in paper: Telnov D., Perkovsky E.E., Kundrata R., Kairišs K., Vasilenko D.V., Bukejs A. Revealing Palaeogene distribution of the Ptilodactylidae (Insecta: Coleoptera): the first <em>Ptilodactyla </em>Illiger, 1807 records from Rovno amber of Ukraine. <em>Historical Biology</em>.</p>
Supplementary material S4. Ptilodactyla odnosum Telnov, Perkovsky, Kundrata and Bukejs sp. nov., holotype, MAIG-6710, female, X-ray micro-CT volume rendering of the habitus.
<p>Supplementary material S4 in paper: Telnov D., Perkovsky E.E., Kundrata R., Kairišs K., Vasilenko D.V., Bukejs A. Revealing Palaeogene distribution of the Ptilodactylidae (Insecta: Coleoptera): the first <em>Ptilodactyla</em> Illiger, 1807 records from Rovno amber of Ukraine. <em>Historical Biology</em>.</p>
FIGURE 5 in Comparison of methods: Micro-CT visualization method and epoxy cast-embedding reveal hidden details of bioerosion in the tube walls of Cretaceous polychaete worms
FIGURE 5. Pyrgopolon (Septenaria) cf. tricostata (Goldfuss, 1841), longitudinal section of a tube from Kaňk "Na Vrších", no. NM O8728. A. SEM image of the resulting cast providing a three-dimensional view of three bi-camerate specimens of Entobia isp. and numerous shafts of Trypanites isp. cut by the longitudinal boring Maeandropolydora isp.; galleries are duplicated, more or less parallel, partially touching each other. B. The same view to the specimen by using micro-CT. C. detail of the resin cast showing a pair of bi-camerate Entobia isp. D. micro-CT scan from the same view, details of Entobia chambers are below the lower limit of micro-CT resolution.
ANIMATION 1 in Comparison of methods: Micro-CT visualization method and epoxy cast-embedding reveal hidden details of bioerosion in the tube walls of Cretaceous polychaete worms
ANIMATION 1. Three-dimensional animation of specimen Cementula sp., a coiled tube, no. CZ2, from Velim locality, the Czech Republic.
FIGURE 3 in Comparison of methods: Micro-CT visualization method and epoxy cast-embedding reveal hidden details of bioerosion in the tube walls of Cretaceous polychaete worms
FIGURE 3. Cementula sp., a coiled tube, no. CZ2, from Velim. A–C. Scanning electron microscope images of resin cast, B–C insets in A showing microbioerosion beneath D–F. Micro-CT images. A, D and E. Identical views using different methods. B. SEM image of resin cast shows branching stolons of Iramena isp., below lower limit of micro-CT resolution. C. Detail showing microbioerosion beneath tube surface and shaft incompletely filled with epoxy resin. D. 2D section through both tubes. E. Semi-transparent rendering of 2D section. F. Volume reproduction image, 3D view to smooth inner surfaces of the tubes.
FIGURE 1. A in Comparison of methods: Micro-CT visualization method and epoxy cast-embedding reveal hidden details of bioerosion in the tube walls of Cretaceous polychaete worms
FIGURE 1. A. Simplified geographic map of Bohemian Cretaceous Basin indicating locations of the studied sites (in rectangle). B. Geographic position of nearshore deposits at Velim, Kaňk "Na Vrších" and Kamajka, where samples were taken (black pentangles).
FIGURE 4 in Comparison of methods: Micro-CT visualization method and epoxy cast-embedding reveal hidden details of bioerosion in the tube walls of Cretaceous polychaete worms
FIGURE 4. Placostegus zbyslavus (Ziegler, 1984), longitudinal section of a tube from Kamajka near Chotusice, no. NM O8727. A. SEM image of the resin cast showing a high degree of silicification that led to incomplete dissolution of the tube wall in HCl; image shows only indeterminate non-branching shafts. B. The same view of the specimen using micro-CT clearly shows relatively frequent Maeandropolydora isp. and shallow shafts of Trypanites isp.
FIGURE 2 in Comparison of methods: Micro-CT visualization method and epoxy cast-embedding reveal hidden details of bioerosion in the tube walls of Cretaceous polychaete worms
FIGURE 2. Stratigraphic provenance of serpulid tubes from Velim, Kamajka, and Kaňk. 1 - crystalline basement; 2 - basal Cenomanian conglomerate; 3 - redeposited Turonian conglomerate; 4 - bioclastic limestone with calcitic-clayey matrix; 5 - organodetritic clayey limestone; 6 - marly siltstone with intercalations of phosphatized horizon; 7 - sponge 'meadows'; 8 - limestone layer with nodule-like bodies; 9 - calcareous claystone (modified from Košťák et al., 2010; Kočí, 2012). Full filled circles indicate position of serpulid fauna.
ANIMATION 2 in Comparison of methods: Micro-CT visualization method and epoxy cast-embedding reveal hidden details of bioerosion in the tube walls of Cretaceous polychaete worms
ANIMATION 2. Three-dimensional animation of specimen Placostegus zbyslavus (Ziegler, 1984), from Kamajka locality, the Czech Republic, no. NM O8727.
Fig. 8 in Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber
Fig. 8 Holotype of Rhyssa gulliveri sp. nov. A Habitus of specimen, lateral view. B Rugae dorsally on mesoscutum. C Face, anterior view, partially hidden by spider inclusion and milky coatings. D Face, more laterally with visible mandibles. E First tergite on metasoma, lateral view. F Head and mesoscutum, dorsal view. G Interpretative drawing with an additional drawing of the propodeum and T1 in dorsal view, where photos and micro-CT scan were used as templates. Scale bar A: 2 mm, B and C: 1 mm, D: upper 1 mm, lower 2 mm
Fig. 7 in Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber
Fig. 7 Holotype of Firkantus freddykruegeri gen. et sp. nov. A Habitus of specimen, lateral view. B Anterior view of face, right side with facial structures indicated. C Fore wing with folds indicating wing venation. D Anterior part of metasoma, dorsal view. E Posterior part of metasoma, with parameters and aedeagus. F Interpretative drawing with an additional drawing of the propodeum and T1 in dorsal view, where photos and micro-CT scan were used as templates. Scale bar A: 1 mm, B: 0.5 mm, F: lower 1 mm, right 0.5 mm
Fig. 3 in Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber
Fig. 3 RoguePlot placement of Pimplinae fossil Firkantus freddykruegeri gen. et sp. nov. before and after micro-CT scanning. The plots include all branches from the majority-rule consensus tree where the attachment probability was higher than 1%. A Firkantus freddykruegeri gen. et sp. nov. with colours indicating newly revealed body characteristics. Blue colouration represents newly added measurements; orange highlights either newly coded characters or characters where states could be reduced after the CT scan. B Placement before CT scanning. C Placement after CT scanning
Fig. 6 in Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber
Fig. 6 Holotype of Triclistus levii sp. nov. A Partial fore wing. B Metasoma, posterior end with the parameres. C Habitus of specimen, lateral view. D Head and mesoscutum, dorsal view. E Head. F Interpretative drawing with an additional drawing of the propodeum and T1, in dorsal view, where photos and micro-CT scan were used as templates. Scale bars A: 1 mm, B: 0.5 mm C: 1 mm F: bottom 1 mm, top right 0.5 mm
Fig. 9 in Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber
Fig. 9 Holotype Magnocula sarcophaga gen. et sp. nov. A Habitus of specimen, ventral view. B Habitus of holotype, lateral view. CT scan of C head and mesoscutum in dorsal view, D face in anterior view, and E last tergites with ovipositor and sheaths. F Photo of a partial fore wing, in top left is T2 with its rugopunctate to striate structure. G Interpretative drawing with an additional drawing of the propodeum and T1 in dorsal view, where photos and micro-CT scan were used as templates. Scale bar A: 1 mm, F: 0.5 mm G: lower 1 mm, right 0.5 mm
Fig. 2 in Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber
Fig. 2 RoguePlot placement of Metopiinae fossil Triclistus levii sp. nov. before and after micro-CT scanning. The plots include all branches from the majority-rule consensus tree where the attachment probability was higher than 1%. A Triclistus levii sp. nov. with colours indicating newly revealed body characteristics after the CT scan. Blue colouration represents newly added measurements; orange highlights either newly coded characters or characters where states could be reduced after the CT scan. B Placement before CT scanning. C Placement after CT scanning
Fig. 5 in Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber
Fig. 5 RoguePlot placement of Phygadeuontinae fossil Magnocula sarcophaga gen. et sp. nov. before and after micro-CT scanning. The plots include all branches from the majority-rule consensus tree where the attachment probability was higher than 1%. A Magnocula sarcophaga gen. et sp. nov. with colours indicating newly revealed body characteristics. Blue colouration represents newly added measurements; orange highlights either newly coded characters or characters where states could be reduced after the CT scan. B Placement before CT scanning. C Placement after CT scanning
Fig. 4 in Impact of increasing morphological information by micro-CT scanning on the phylogenetic placement of Darwin wasps (Hymenoptera, Ichneumonidae) in amber
Fig. 4 RoguePlot placement of Rhyssinae fossil Rhyssa gulliveri sp. nov. before and after micro-CT scanning. The plots include all branches from the majority-rule consensus tree where the attachment probability was higher than 1%. A Rhyssa guliveri sp. nov. with colours indicating newly revealed body characteristics. Blue colouration represents newly added measurements; orange highlights either newly coded characters or characters where states could be reduced after the CT scan. B Placement before CT scanning. C Placement after CT scanning
Fig. 5. A in Non-destructive analysis of pathological belemnite rostra by micro-CT techniques
Fig. 5. A. Rostrum of belemnite Gonioteuthis sp., RUB-Pal 11301, Campanian, Höver (NW-Germany) with forma aegra clavata (coll. L. Kaecke). Surface images showing no irregularities except for silification rings (A1–A3). Longitudinal section showing a homogenous internal rostrum with a dark layer along its outer margin (silica) (A4). Volume rendering image shows a darker centre due to the maximum thickness of the structure but no additional features (A5). Detail of the rostrum surface showing silification rings (A6). Cross section with a homogeneous centre and a dark margin (A7). B. Rostrum of belemnite Hibolithes jaculoides Swinnerton, 1937, RUB-Pal 11303, Hauterivian, Resse (NW-Germany) with forma aegra clavata (coll. U. Frerichs). Surface images showing the overall irregular rostrum morphology and the blunt and hollow apex in lateral (B1, B2), ventral (B3), and dorsal (B4), apical (B7) views. Longitudinal sections (central, subcentral) showing the broken juvenile rostrum, parts of the preserved phragmocone, and notable the lack of the apical line after the injury took place, note the irregular outline of the hollow central canal (B5, B6). Cross section with the juvenile rostrum, and subsequently deposited homogeneous material, white areas indicate the presence of pyrite (B8).
Fig. 3. A in Non-destructive analysis of pathological belemnite rostra by micro-CT techniques
Fig. 3. A. Rostrum of belemnite Neoclavibelus subclavatus (Voltz, 1830), SNSB-BSPG-83264, Toarcian, Mistelgau (SW-Germany) with forma aegra bullata (coll. H. Keupp). Surface images showing the bump-shaped irregular rostrum growth (A1–A4); longitudinal sections showing presence of sediment (diffuse grey) and pyrite (white) within the rostrum, and increasing irregular growth increments (A5, A6). B. Rostrum of belemnite Belemnitella sp., RE 551.763.333 A 5238, Late Cretaceous, NW-Germany with forma aegra bullata (coll. Baschin). Surface images showing the bump-shaped irregular rostrum growth and imprints of an organic network on the rostrum surface in dorsolateral (B1, B2) and ventrolateral (B3, B4) views; longitudinal sections (B5, B6), and cross section (B7). B5–B7 showing silification (black) along the rostrum surface but also along the malformed area.
Fig. 7. A in Non-destructive analysis of pathological belemnite rostra by micro-CT techniques
Fig. 7. A. Rostrum of belemnite Gonioteuthis sp., SNSB-BSPG-83370, Campanian, Höver (NW-Germany) with forma aegra hamata (coll. H. Keupp, leg. C. Spaeth). Surface images showing the knee-like strongly bent and irregular morphology of the rostrum (A1–A4). Median section showing the irregular internal silification of the rostrum indicating poorly mineralized areas, growth and apical line partially visible (A5). Volume rendering image with the darkest areas represented by the thickest or densest areas (A6). B. Rostrum of belemnite Pseudobelus sp., RUB-Pal 3196, Valanginian, Barret-Meouge (France) with forma aegra hamata (coll. M.-C. Picollier). Surface images showing the strongly bent and irregular morphology of the rostrum with the apex growth in anterior direction (B3–B6). Median section overview and close up showing growth increments and the presence of pyrite along the apical line (white) (B1, B7, B8). Cross section showing four growth center representing a temporal sequence (B2).
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.