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.
915
datasets available to search
ShareScore release 0.9.0
Dataset results
915 results for “morphological evolution”
Figure 15 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 15. Epipharynx of Schendylidae and Ballophilidae. A–B, Plesioschendyla confossa. A, overview; B, detail of left clypeal part, showing sensilla coeloconica medially and spear-shaped sensilla laterally. C, Ballophilus rouxi, overview. D–F, Pectiniunguis argentinensis. D, median clypeal part, showing sensilla coeloconica (arrows) amidst scale-like spines; E, same, showing sensillum coeloconicum in higher magnification; F, lateral clypeal part (right side), showing cluster of spear-shaped sensilla next to median field of scale-like spines. G, H, Hydroschendyla submarina. G, overview; H, detail of left clypeal part, showing lateral cluster of spear-shaped sensilla next to median field of scale-like spines. Abbreviations: cp, clypeal part of epipharynx; lp, labral part of epipharynx; sc, sensillum coeloconicum; sp, spear-shaped sensillum.
Figure 24 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 24. Hypopharynx of Geophilidae. A–C, Clinopodes flavidus. A, dorsal view on frontal surface (anterior to bottom); B, lateral view (anterior to left); C, ventral view on backside (anterior to top). D, Pachymerium ferrugineum, dorsal view on frontal surface (anterior to bottom); inset shows conical sensillum amidst distal spine field in higher magnification. E–G, Geophilus carpophagus. E, dorsal view on frontal surface (anterior to bottom); F, frontal view on hypopharyngeal apex (dorsal to top); G, two conical sensilla amidst spine field on median lips (position indicated by box in F). Abbreviations: hb, hypopharyngeal bar of fulcrum; mi, median incision on hypopharyngeal backside; ohg, opening of hypopharyngeal gland; ph, pharynx.
Figure 19 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 19. Mandible of Gonibregmatus anguinus. A, lateral view on external face of left gnathal lobe (anterior to left, dorsal to top); B, ventral view on left gnathal lobe (anterior to top), showing its sculptured internal face; C, detail of spine field on ventral margin of left gnathal lobe. Abbreviations: pl, pectinate lamella; vm, ventral margin of mandibular gnathal lobe.
Figure 13 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 13. Hypopharynx of Oryidae. A–C, Orya almohadensis. A, overview of hypopharynx (frontal view, dorsal to top); B, detail of right proximo-lateral area, showing cluster of spear-shaped sensilla; C, ventral view (anterior to top), showing dense aggregation of sensilla on backside of hypopharynx. D–E, Orphnaeus brevilabiatus. D, ventral view on backside of hypopharynx (anterior to top); E, sensilla on hypopharyngeal backside in higher magnification. Abbreviations: hb, hypopharyngeal bar of fulcrum; ohg, opening of hypopharyngeal gland; ph, pharynx.
Figure 12 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 12. Epipharynx of Oryidae. A, Orya almohadensis. Insets depict sensilla coeloconica of a broad median cluster (top inset) and spear-shaped sensilla of paired lateral clusters on the clypeal part (bottom inset). B, Notiphilides maximiliani, most proximal median area of the clypeal part (distal to top), showing mesially confluent clusters of spear-shaped sensilla. C, Orphnaeus brevilabiatus, proximal area of clypeal part (left side, distal to top), showing sensilla coeloconica mesially and spear-shaped sensilla laterally. Abbreviations: cp, clypeal part of epipharynx; fu, fulcrum; lp, labral part of epipharynx.
Figure 14 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 14. Mandibles of Oryidae. A, Notiphilides maximiliani, oblique fronto-mesial view on right gnathal lobe (dorsal to top). B–D, Orya almohadensis, left gnathal lobe. B, fronto-dorsal view (external face); C, mesial view (internal face, dorsal to top); D, ventro-mesial view. Abbreviations: co, condyle; pl, pectinate lamella; vm, ventral margin of gnathal lobe.
Figure 11 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 11. Mandibles of Himantariidae. A, Haplophilus subterraneus, right gnathal lobe in frontal view (dorsal to top). B–D, Himantarium gabrielis. B, right gnathal lobe in frontal view (dorsal to top); C, right gnathal edge in ventral view; D, the most proximal lamellae of the right gnathal lobe in mesial view. E, Bothriogaster signata, right gnathal lobe in mesial view (dorsal to right). Abbreviations: co, condyle; dsl, dorsal sclerotized lamella; lc, lamina condylifera.
Figure 10 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 10. Hypopharynx of Himantariidae. A, Bothriogaster signata, lateral view (anterior is right). B–D, Himantarium gabrielis. B, dorsal view; C, ventral view; arrow points to conical sensillum shown in D at higher magnification. E, F, Haplophilus subterraneus. E, oblique ventro-lateral view. F, cluster of sensilla on distal tip, its position indicated in E. Abbreviations: hb, hypopharyngeal bar of fulcrum; mo, mouth; ohg, opening of hypopharyngeal gland; ph, pharynx.
Figure 9 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 9. Epipharynx of Himantariidae. A–C, Haplophilus subterraneus. A, overview of epipharynx; B, lateral clypeal part, arrows point to spear-shaped sensilla; C, median clypeal part, arrows point to sensilla coeloconica. D, E, Bothriogaster signata. D, overview of epipharynx; E, sensilla coeloconica on median clypeal part. F, G, Himantarium gabrielis. F, three sensilla coeloconica amidst field of spines on median clypeal part; G, spear-shaped sensilla on lateral clypeal part. Abbreviations: cp, clypeal part of epipharynx; fu, fulcrum; lp, labral part of epipharynx; obg, opening of median buccal gland; ph, pharynx.
Figure 23 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 23. Epipharynx of Geophilidae. A, B, Clinopodes flavidus. A, overview; inset shows the tips of plumose spines on labral margin; B, detail of proximo-medial clypeal part, showing row of bottle-shaped sensilla coeloconica (inset). C–F, Ribautia repanda. C, overview; inset shows the tips of spines on labral margin; D, detail of lateral clypeal part (indicated by box in C), showing scale-like spines; E, detail of proximo-median clypeal part, showing row of sensilla coeloconica; F, sensillum coeloconicum on proximo-median clypeal part at higher magnification. G, H, Pachymerium ferrugineum. G, overview; inset shows spines on labral margin in higher magnification; H, detail of border between labral and clypeal parts (indicated by box in G). Abbreviations: cp, clypeal part of epipharynx; fu, fulcrum; lp, labral part of epipharynx.
Figure 8 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 8. Series of transverse histological sections of the head, from anterior to posterior. A–C, Dicellophilus carniolensis. D–G, Hydroschendyla submarina. Abbreviations: dhg, duct of hypopharyngeal gland; eb, epipharyngeal bar of fulcrum; fp, frontal process of epipharyngeal bar; hb, hypopharyngeal bar of fulcrum; hy, hypopharynx; lsp, labral side-piece or side parts; m20, mandibular muscle 20 (fide Manton, 1965); mb, mesial bar of fulcrum; md, mandible; ph, pharynx; pp, posterior process of fulcrum (= anterior tentorial apodeme); sf, sclerite of hypopharyngeal furrow; st, stilus of bucca; t1, tentorial muscle 1; t2, tentorial muscle 2; tb, transverse bar of fulcrum.
Figure 7 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 7. Mandibles of Mecistocephalidae. A, Tygarrup diversidens, left gnathal lobe in dorsal view (anterior to top). B, Arrup kyushuensis, left gnathal lobe in dorso-lateral view (anterior to left). C–E, Dicellophilus carniolensis. C, right gnathal lobe in frontal view (dorsal to top); D, right gnathal edge (frontal view) at higher magnification; E, mesial view on right gnathal edge (dorsal to top). Abbreviations: co, condyle; tt, translucent tooth.
Figure 5 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 5. Peristomatic structures of Mecistocephalus sp. from Lord Howe Island. A, epipharynx, ellipse refers to transverse cluster of sensilla (inset); B, hypopharynx, frontal view; C, gnathal edge of right mandible, external face (anterior to right, dorsal to top); D, gnathal edge of left mandible, mesial view on internal face (dorsal to top). Abbreviations: cp, clypeal part of epipharynx; dsl, dorsal sclerotized lamella of mandibular gnathal edge; fr, furrow between lateral and mesial lobes of hypopharynx; lp, labral part of epipharynx; mo, mouth; no, notch between lateral and mesial lobes of hypopharynx; tp, tooth plate.
Figure 6 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 6. Hypopharynx of Mecistocephalidae. A, Tygarrup diversidens, frontal view (dorsal to top). B, Arrup kyushuensis, ventral view (the frontal surface of the anatomically right half broken off); arrow points to cluster of conical sensilla. C–E, Dicellophilus carniolensis. C, oblique latero-frontal view (anterior to left); D, spine clusters on distal tip, and E, detail of conical sensilla at edge of spine fields. Abbreviations: fr, furrow between lateral and mesial lobes of hypopharynx; no, notch between lateral and mesial lobes of hypopharynx; ph, pharynx.
Figure 4 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 4. Epipharynx of Mecistocephalidae. A–B, Dicellophilus carniolensis. A, labral mid-piece tooth (tp) and labral bristle bands; B, median cluster of seven sensilla amidst bristle bands. C, Arrup kyushuensis, sensilla on clypeal part in (3+1+2) arrangement (counted from anatomically left to right). D, Mecistocephalus tahitiensis, sensilla on clypeal part in (2+1+3) arrangement (counted from left to right). E–F, Tygarrup diversidens. E, sensilla on clypeal part in (3+1+2) arrangement (counted from left to right); F, higher magnification of left sensilla cluster.
Figure 3 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 3. Epipharynx of Mecistocephalidae. A, Dicellophilus carniolensis. B, Tygarrup diversidens. C, Arrup kyushuensis. Ellipses refer to sensilla clusters (for higher magnifications see Fig. 4). Dashed line in B marks the indistinct border between labral and clypeal parts of the epipharynx. Abbreviations: cp, clypeal part of epipharynx; eb, epipharyngeal bar of fulcrum; lmp, labral mid-piece; lp, labral part of epipharynx; tp, tooth plate.
Figure 33 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 33. Schema depicting homology of the components of the mandible in Chilopoda. Depicted exemplars (from top down) are left mandibles (dorso-lateral view) of Scutigera coleoptrata, Eupolybothrus grossipes, Craterostigmus tasmanianus, Otostigmus sp., Mecistocephalus tahitiensis, and Pleurogeophilus mediterraneus. Numbers refer to apomorphic transformations of the gnathal edge: 1, loss of the most proximal pulvillus and molar plate; 2, loss of second pulvillus and multicusped teeth (gnathal edge composed of pectinate lamellae only). For further discussion see text. Drawings of mandibles modified from originals by E. Zamprogno (in Minelli, 2011, except for Mecistocephalus tahitiensis), with permission of the publishers (Brill).
Figure 30 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 30. Mandibles of Dignathodontidae and Linotaeniidae. A–C, Henia vesuviana. A, fronto-mesial view on external surface of left gnathal lobe (dorsal to left); B, lateral view on external surface of left gnathal lobe (dorsal to top, anterior to left); C, mesial view on internal surface of pectinate lamella of left gnathal lobe (dorsal to left). D, E, Dignathodon microcephalus. D, ventro-mesial view on internal surface of left gnathal lobe (dorsal to top); E, lateral view on external surface of left gnathal lobe (dorsal to top). F, Strigamia maritima, mesial view on internal surface of right gnathal edge (anterior to top, dorsal to right). Abbreviations: co, condyle; pl, pectinate lamella; vm, ventral margin of gnathal lobe.
Figure 21 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 21. Mandible of Eucratonyx meinerti. A, lateral view on external face of left gnathal lobe (anterior to left, dorsal to top); arrowhead indicates the border between the lightly and strongly sclerotized lamellae; B, ventral view on right gnathal lobe (anterior to top), showing the transition of the pectinate lamella into dense spine field on ventral margin; C, dorso-mesial view on gnathal edge of left mandible; arrowhead indicates the border between the two lamellae; D, mesial view on internal face of left gnathal lobe (dorsal to left). Abbreviations: co, condyle; dsl, dorsal sclerotized lamella; pl, pectinate lamella; vm, ventral margin of mandibular gnathal lobe.
Figure 27 in The preoral chamber in geophilomorph centipedes: comparative morphology, phylogeny, and the evolution of centipede feeding structures
Figure 27. Mandibles of Geophilidae. A–D, Ribautia repanda. A, lateral view on external surface of right mandible (dorsal is top, anterior is right); B, mesial view on internal surface of right gnathal lobe (dorsal to top, anterior to left); C, external view on ventral margin of right gnathal lobe (anterior to top); D, detail of C, showing branching spines on ventral margin of right gnathal lobe. E–G, Zelanophilus provocator. E, dorsal view on right gnathal lobe (anterior to left); F, mesial view on internal surface of right gnathal lobe (dorsal to top, anterior to left); G, internal view on ventral margin of right gnathal lobe (anterior to left, dorsal to top). Abbreviations: co, condyle; pl, pectinate lamella; vm, ventral margin of gnathal lobe.
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.