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.
36
datasets available to search
ShareScore release 0.9.0
Dataset results
36 results for “Euarthropoda”
FIGURE 5 in New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography
FIGURE 5. Inner layer of Concavicaris woodfordi (Cooper, 1932). A–C, anterior part of the specimen. A, tomogram (transversal slice). B, tomogram (transversal slice; colour-marked). C, anterior view (3D rendering). D–F, posterior part of the specimen. D, tomogram (transversal slice). E, tomogram (transversal slice; colour-marked). F, cross-section (3D rendering). G, cross-section of cephalothorax of a reptantian decapod (after Glaessner, 1969). H, I, cross-section of the carapace structure of a myodocopan (Euphilomedes japonica (Müller, 1890); after Yamada, 2019). H, attached region. I, duplicated region. Arrow indicates the rotation of the posterior part of the inner layer. Abbreviations: am, adductor muscles; app, appendage; cb, chitinous body; ef, epimeral fold; g, gills; hi, hinge; il, inner layer of the shield; ila, anterior part of the inner layer; ilp, posterior part of the inner layer; mua, attractor muscles; ol, outer layer of the shield; pl, pleural part; pta, posterior trunk appendages; so, shield outline; st, sternal part; te, tergal part. Scales: 5 mm.
FIGURE 2 in New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography
FIGURE 2. General view of Concavicaris woodfordi (Cooper, 1932). A, B, Right and left lateral views. C, line drawing (lateral view). D, location of virtual slices presented in the figures (dorsal view). Abbreviations: vld, ventro-lateral depression. Arrows indicate the anterior side of the specimen. Yellow doted lines indicate longitudinal sections. Green dotted lines indicate transversal sections. Scales: 10 mm. Photos: T. A. Hegna.
FIGURE 8 in New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography
FIGURE 8. Muscular structures of Concavicaris woodfordi (Cooper, 1932). A, tomogram. B, tomogram (colourmarked). C, gastric muscles (3D rendering). D, cross-section (3D rendering). E, adductor muscles (3D rendering). Abbreviations: am, adductor muscle; gm, gastric muscles; il, inner layer; lvp, latero-ventral pouch; s, shield; sto, stomach. Scales: A, B, D, 5 mm; C, E, 2 mm.
FIGURE 1 in New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography
FIGURE 1. Position and geology of the fossil locality. A, Map of USA with the position of Oklahoma (red area) and of Arbuckle Mountains (grey area). B, Map of Arbuckle mountains with the position of the type locality of Concavicaris woodfordi (Cooper, 1932). C, Section of the upper Woodford Shale at Interstate 35 road-cut section (I-35) (sec. 25, T2S, R2E, Arbuckle Mountains, Oklahoma, USA; redrawn after Over [1992]).
FIGURE 4 in New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography
FIGURE 4. Anatomy of Concavicaris woodfordi (Cooper, 1932). A, longitudinal virtual section. B, longitudinal virtual section (colour-marked). C, dorsal view (3D rendering). D, lateral view (3D rendering). Abbreviations: am, adductor muscles; cs, cylindrical structure; g2–7, gills; gm, gastric muscles;ila, anterior part of the inner layer; ilp, posterior part of the inner layer; lvp, latero-ventral pouch; pta, posterior trunk appendages; ra1–3, raptorial appendages; so, shield outline; sto, stomach. Arrows indicate the anterior side of the specimen. Scales: 10 mm.
FIGURE 3 in New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography
FIGURE 3. Marginal fold of Concavicaris woodfordi (Cooper, 1932). A, B, anterior part of the shield (tomogram and drawing). C, close-up of marginal fold in the anterior part of the shield (tomogram). D, E, middle part of the shield (tomogram and drawing). F, close-up of marginal fold in the middle part of the shield (tomogram). Abbreviations: il, inner layer; mf; marginal fold; so, shield outline. Scales: A, B, D, E, 5 mm; C, F, 1 mm.
FIGURE 7 in New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography
FIGURE 7. Digestive, reproductive, and circulatory systems of Concavicaris woodfordi (Cooper, 1932). A, longitudinal virtual section. B, longitudinal virtual section (colour-marked). C, D, digestive and reproductive systems (3D rendering). C, anterior view. D, right lateral view. E, F, G, circulatory system. E, tomogram. F, tomogram (colour-marked). G, 3D rendering of the left part. Abbreviations: cs, cylindrical structure; g1–8, gills; go, gonads; il, inner layer; lvp, lateroventral pouch; sto, stomach. Arrows indicate the anterior side of the specimen. Scales: A, B, 10 mm; C–G, 5 mm.
FIGURE 6 in New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography
FIGURE 6. Internal anatomy of Concavicaris woodfordi (Cooper, 1932). A, right lateral view (3D rendering). B, anterior view (3D rendering). C, dorsal view (3D rendering). D, longitudinal section (3D rendering). Abbreviations: am, adductor muscles; cs, cylindrical structure; g1–8, gills; gm, gastric muscles; go, gonads; lvp, latero-ventral pouch; pta1–3, posterior trunk appendages; r, rostrum; ra1, 3, raptorial appendages; s, shield; so, shield outline; sto, stomach. Arrows indicate the anterior side of the specimen. Scales: A, C, D, 10 mm; B, 5 mm.
FIGURE 10 in New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography
FIGURE 10. Hypothetical reconstruction of Concavicaris woodfordi (Cooper, 1932). Morphology of anterior and posterior sides of the shield, eyes and number of posterior trunk appendages are reconstructed based on Concavicaris submarinus (Jobbins et al., 2020). Abbreviations: ce, compound eyes; g, gills; go, gonads; il, inner layer: lvp, lateroventral pouch; pt, posterior trunk; pta, posterior trunk appendages; r, rostrum; ra, raptorial appendages; s, shield; sto, stomach. Arrow indicates the anterior side of the specimen. Scales: 10 mm.
FIGURE 9 in New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography
FIGURE 9. Appendages of Concavicaris woodfordi (Cooper, 1932). A, longitudinal section (3D rendering). B, raptorial appendages (3D rendering). C, tomogram. D, close-up of third posterior trunk appendage. E, posterior trunk appendages (3D rendering). Arrow indicates the third posterior trunk appendage. Abbreviations: il, inner layer; pta1–3, posterior trunk appendages; ra1–3, raptorial appendages; s, shield. Arrow indicates the anterior side of the specimen. Scales: A–C, 10 mm; D, G, 2 mm; E, 5 mm; F, 1 mm.
Re-appraisal of thylacocephalans (Euarthropoda, Thylacocephala) from the Jurassic La Voulte-sur-Rhône Lagerstätte
<p>It includes measurements files as well as R scripts for data treatment. Shield, eyes and appendage were measured directly on digital photographs with ImageJ2.</p> <p><strong>Measurement abbreviations.</strong><em> </em>Aad, anterodorsal angle; Aav, anteroventral angle; Apd, posterodorsal angle; Apv, posteroventral angle; H, height; Ha, anterior shield height; Hmax, maximum shield height; Hp, posterior shield height; L<sub>n</sub>, length of element (appendages); Ls, length of the shield; Lr, length of the rostrum; Lw, length of the shield without the rostrum; w, width; w<sub>n</sub>, width of element n (appendages).</p>
3D Data from "New look at Concavicaris woodfordi (Euarthropoda: Pancrustacea?) using micro-computed tomography"
<p>It includes the tomograms (CT-scan), the segmentation project (Mimics) the 3D rendered data (STL) of the holotype of <em>Concavicaris woodfordi</em> (USNM PAL 112025).</p> <p><strong>Tomograms</strong>. The specimen was micro-CT scanned using the North Star Imaging µCT scanner housed at Vanderbilt University (Tennessee, USA). 1377 two-dimensional images were obtained with a voxel size of 46 µm at a voltage of 115 kV and current of 10 µA; the volume was reconstructed using EFX-CT (North Star Imaging, Minnesota, USA).</p> <p><strong>Segmentation. </strong>Rotation (178°), cropping and conversion to 8-bit were applied to every slice prior to segmentation. Manual and semi-automatic segmentation were done using Mimics 24.0 Research Edition (Materialise). The results of the segmentation were exported as STL files. 3D rendering and processing was done using Meshlab 2021.05 (GNU GPL 3.0)</p>
Fig. 23 in Re-appraisal of thylacocephalans (Euarthropoda, Thylacocephala) from the Jurassic La Voulte-sur-Rhône Lagerstätte
Fig. 23. Reconstruction of La Voulte thylacocephalans. A. Paralausocaris harpa gen. et sp. nov. B. Kilianicaris lerichei Van Straelen, 1923. C. Austriocaris secretanae sp. nov. D. Paraostenia voultensis Secrétan, 1985. Scale bars = 10 mm. Reconstructions: Alexandre Lethiers (made with Blender).
Fig. 20 in Re-appraisal of thylacocephalans (Euarthropoda, Thylacocephala) from the Jurassic La Voulte-sur-Rhône Lagerstätte
Fig. 20. Adults of Paraostenia voultensis Secrétan, 1985 (morphotype 2). A–C. Specimen MNHN.F.A29320. A. General view. B. Drawing. C. Close-up of posterior trunk. D. Specimen MNHN.F.A84038, general view. E. Specimen MNHN.F.A29332, general view. F–H. Specimen MNHN.F.A29330. F. General view. G. Close-up of posterior trunk. H. Drawing of posterior trunk. I–J. Specimen MNHN.F.A29337. I. General view. J. Close-up of posterior trunk. Abbreviations: ce = compound eye; cs = circular structure; dc = dorsal carina; dm = dorsal midline; mlc = medio-lateral carina; on = optic notch; os = oval structure; p 2 = podomere 2 of raptorial appendages; pm = posterior margin; po = pore; pu = punctuations; ra 1–3 = raptorial appendages; ta 1–7 = posterior trunk appendages; tls = telson; tp2–8 = pleural part of posterior trunk segments; tta = terminal trunk appendages; vlg = ventro-lateral groove. Scale bars: A–B, D–E, I = 10 mm; C, F, J = 5 mm; G–H = 1 mm. Photos: T. Laville.
Fig. 24 in Re-appraisal of thylacocephalans (Euarthropoda, Thylacocephala) from the Jurassic La Voulte-sur-Rhône Lagerstätte
Fig. 24. Clausocaris lithographica (Oppenheim, 1888). A–B. Specimen JM SOS 972. A. General view. B. Close-up of oval setose structure. Scale bars: A = 5 mm; B = 2 mm. Photos: T. Laville.
Fig. 21 in Re-appraisal of thylacocephalans (Euarthropoda, Thylacocephala) from the Jurassic La Voulte-sur-Rhône Lagerstätte
Fig. 21. Frequency distribution and simple allometry of shield measurements for Paraostenia voultensis Secrétan, 1985. A. Histograms of shield measurements. B. Standardised major axis (no groups). C. Standardised major axis (morphotypes 1 and 2). D. Residuals vs fitted data plot. E. Q-Q plot. Abbreviations: Aad = antero-dorsal angle; Aav = antero-ventral angle; Apd = postero-dorsal angle; Apv = postero-ventral angle; Ha = anterior height; Hmax = maximal shield height; Hp = posterior height; Ls = shield length; SMA = standardised major axis.
Fig. 17 in Re-appraisal of thylacocephalans (Euarthropoda, Thylacocephala) from the Jurassic La Voulte-sur-Rhône Lagerstätte
Fig. 17. Adult of Paraostenia voultensis Secrétan, 1985 (morphotype 2; MNHN.F.A29300). A, C–H, J. Counter-part. A. General view. C. General view (colour-marked). D. Drawing. E. Close-up of cephalic appendage (colour-marked). F. Close-up of compound eye. G. Close-up of oval structure. H. Close-up of posterior trunk. J. Close-up of telson. B, I. Part. B. General view. I. Close-up of telson. Abbreviations: ca = cephalic appendage; ce = compound eye; cs = circular structure; dc = dorsal carina; dm = dorsal midline; g = gills; mlc = medio-lateral carina; on = optic notch; os = oval structure; pm = posterior margin; po = pore; ra2–3 = raptorial appendages; t = trunk; tls = telson; ta1–7 = posterior trunk appendages; tta = terminal trunk appendages. Scale bars: A–D = 10 mm; E, G–H = 5 mm; F = 500 µm; I–J = 1 mm. Photos: T. Laville.
Fig. 15 in Re-appraisal of thylacocephalans (Euarthropoda, Thylacocephala) from the Jurassic La Voulte-sur-Rhône Lagerstätte
Fig. 15. Paraclausocaris harpa gen. et sp. nov. A, C–D. Paratype MNHN.F.A29356. A. General view. C. Close-up of oval structure. D. Close-up of posterior trunk. B, E. Paratype MNHN.F.A29323. B. General view. E. Close-up of compound eye. F–G, J. Paratype MNHN.F.R50955. F. General view. G. Drawing. J. Close-up of posterior trunk. H–I. Paratype MNHN.F.A29323. H. General view. I. Closeup of distal part of raptorial appendages. Abbreviations: ce = compound eye; on = optic notch; os = oval structure; ltp = left pleural part of posterior trunk; p 1–4 = podomeres of raptorial appendages; ra 1–3 = raptorial appendages; rtp = right pleural part of posterior trunk; ta 2–8 = trunk appendages; tp 2–8 = pleural part of posterior trunk; tt1-9 = tergal part of posterior trunk; vm = ventral margin; vlg = ventro-lateral groove. Scale bars: A–B, H, J = 5 mm; C–D, I = 1 mm; E = 200 µm; F–G = 10 mm. Photos: T. Laville.
Fig. 14 in Re-appraisal of thylacocephalans (Euarthropoda, Thylacocephala) from the Jurassic La Voulte-sur-Rhône Lagerstätte
Fig. 14. Paraclausocaris harpa gen. et sp. nov. A–E. Paratype MNHN.F.A29327. A. General view. B. Drawing. C. Close-up of cephalic appendage. D. Close-up of cephalic appendage (colour-marked). E. Close-up of compound eyes. F–G. Paratype MNHN.F.A29149. F. General view. G. Close-up of posterior part. Abbreviations: ca = cephalic appendage; ce = compound eye; dm = dorsal midline; dlc = dorso-lateral carina; g = gills; hu = hump; ls = left side of the shield: mu = muscles; on = optic notch; os = oval structure; p2–5 = podomeres of raptorial appendages; ra1–3 = raptorial appendages; rs = right side of the shield; vlg = ventro-lateral groove. Scale bars: A–B, G = 5 mm; C–D = 2 mm; E = 500 µm; F = 10 mm. Photos: T. Laville.
Fig. 12 in Re-appraisal of thylacocephalans (Euarthropoda, Thylacocephala) from the Jurassic La Voulte-sur-Rhône Lagerstätte
Fig. 12. Ostenocaris ribeti (Secrétan, 1985) comb. nov. A–D. Specimen MNHN.F.A29372. A. General view. B. General view (colour-marked). C. Drawing. D. Close-up of raptorial appendages. E. Specimen MNHN.F.R50970. F. Specimen MNHN.F.A84024. G–H. Specimen MNHN.F.A84027. G. General view. H. Drawing. Abbreviations: am = anterior margin: ca = cephalic appendage; ce = compound eye; dlc = dorso-lateral carina; dm = dorsal midline; mlc = medio-lateral carina; p 2–5 = podomeres of raptorial appendages; pm = posterior margin; ra1–3 = raptorial appendages; vm = ventral margin. Scale bars: A–C, E–H = 5 mm; D = 1 mm. Photos: A–B, G: L. Cazes; D–F: T. Laville.
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.