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.
1,663
datasets available to search
ShareScore release 0.9.0
Dataset results
1,663 results for “shells”
F in Shell condition and adequacy of three sympatric intertidal hermit crab populations
F. 4. Frequency distribution of the visual adequacy index of shells to C. antillensis (N= 585 individuals), C. sclopetarius (302) and C. vittatus (420). 1, Crab not visible; 2, dactyli visible; 3, one cheliped visible; 4, both chelipeds visible; 5, cheliped closing shell aperture; 6, shield exposed.
F in Shell condition and adequacy of three sympatric intertidal hermit crab populations
F. 3. Relationship between the shell adequacy index (mean ± SE) and the visual adequacy index. 1, Crab not visible; 2, dactyli visible; 3, one cheliped visible; 4, both chelipeds visible; 5, cheliped closing shell aperture.
F in Shell condition and adequacy of three sympatric intertidal hermit crab populations
F. 6. Relationship between shell adequacy index (SAI) and the size of C. antillensis, C. sclopetarius and C. vittatus.
FIG. 6 in Convergent colonial organization and reproductive function in two bryozoan species epizoic on gastropod shells
FIG. 6. Alcyonidium nodosum. Diagrammatic reconstruction of a mammilla showing male zooids surrounded by female zooids; thickness and substance of colony arbitrary. Arrows indicate suggested directions and strengths of water ¯ows.
FIG. 5. Hippoporidra dictyota n in Convergent colonial organization and reproductive function in two bryozoan species epizoic on gastropod shells
FIG. 5. Hippoporidra dictyota n. sp. (A) Reconstruction of a mammilla in vertical section, showing three male zooids, surrounded by non-mammilla autozooids; arrows indicate presumed directions and magnitude of ¯ow (see text). (B) Lophophore of nonmammilla autozooid in ventral (left) and side (right) views. (C) Lophophore of male zooid in ventral (left) and side (right) views. V, ventral, D, dorsal.
FIG. 4. Hippoporidra dictyota n in Convergent colonial organization and reproductive function in two bryozoan species epizoic on gastropod shells
FIG. 4. Hippoporidra dictyota n. sp. Opercula and avicularian mandibles. (A) Operculum of non-mammilla (presumed female) zooid. (B) Operculum of mammilla (presumed male) zooid. (C, D) Mandibles of adventitious avicularia. (E, F) Mandibles of vicarious avicularia. Specimen from Black Rocks, Beaufort, North Carolina.
FIG. 3. Hippoporidra dictyota n in Convergent colonial organization and reproductive function in two bryozoan species epizoic on gastropod shells
FIG. 3. Hippoporidra dictyota n. sp., scanning electron micrographs, paratype specimen (USNM: 21601). (A) Portion of surface, scale bar 5 1 mm. (B) A mammilla, with male zooids and avicularia, scale bar 100 mm. (C) Ori®ce of male zooid and vicarious avicularium, scale bar 100 mm. (D) Ori®ce of female zooid, scale bar 100 mm. (E) Ovicells and vicarious avicularia (scale as D). adv, adventitious avicularium; or, ori®ce; ov, ovicell; vic, vicarious avicularium.
FIGURE 2. Shells. A. Philinopsis falciphallus. n in Six new species of aglajid opisthobranch mollusks from the tropical Indo-Pacific
FIGURE 2. Shells. A. Philinopsis falciphallus. n. sp., paratype, CASIZ 177678, Mabini, Philippines. B. Philinopsis coronata n. sp., holotype, CASIZ 182887, Mabini, Philippines. C. Chelidonura mandroroa n. sp., paratype, CASIZ 182002, Radama Islands, Madagascar D. Chelidonura alisonae n. sp., paratype, CASIZ 174146, Easter Island.
Figure 1. Shells.A–J in Tracking parallel adaptation of shell morphology through geological times in the land snail genus Pupilla (Gastropoda: Stylommatophora: Pupillidae)
Figure 1. Shells.A–J, Pupilla alpicola (A–E, lowland populations"P.pratensis"; F–J, typical mountain populations).K–P, P.loessica. Q–T, P. muscorum. A, M_6001_3_1, Lake Galenbeck (Mecklenburg-Western Pomerania, Germany). B, SMNS-ZI0138340, type locality Dinkelscherben near Augsburg (Bavaria, Germany). C, M_846_1_2, Burgtonna (Thuringia, Germany), fossil from Early
Figure 6 in Tracking parallel adaptation of shell morphology through geological times in the land snail genus Pupilla (Gastropoda: Stylommatophora: Pupillidae)
Figure 6. Thin-plate splines illustrating (theoretical) transitions in shape, side view, exaggeration 5 times. A, fossil P. loessica → extant P. loessica. B, fossil P. pratensis (including P. m. densegyrata) → extant P. pratensis. C, fossil P. pratensis (including P. m. densegyrata) → extant P. alpicola. D, extant P. pratensis → P. alpicola. E, extant P. loessica→ P. alpicola. F, fossil P. muscorum → extant P. muscorum.
FIGURE 28. Shells, ventral view. A. Westracystis lissus, BMNH90.12.30.80–4 in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 28. Shells, ventral view. A. Westracystis lissus, BMNH90.12.30.80–4 (S). B. Westracystis lissus, AM C64901 (S of W. tentus). C. Echonitor cyrtochila, BMNH 1922.8.29.16 (H). D. Echonitor albumenoidea, AM C60533 (H). E. Periclocystis ardeni, AM C60541 (H). F. Tarocystis responsivus, AM C104308 (S). G. Conueplecta (Durgellina) calculosa, AM C374873. H. Coneuplecta (Nevelasta) pampini, AM C126763. Scale bars 2 mm (B, G–H), 3 mm (A, C–F). Photographs by H. Barlow (B, F–H), D. Beechey (D–E), W. Ponder (A, C). Abbreviations: H, holotype; S, syntype.
FIGURE 21. Shells, ventral view. A in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 21. Shells, ventral view. A. Stanisicarion freycineti, AM C391188. B. Stanisicarion virens, BMNH 197776 (S). C. Eungarion mcdonaldi, QMMO35628 (H). D. Parmacochlea fischeri, AM C432179. E. Nitor circumcincta, AM C104161 (H). F. Nitor subrugata, AM C333711. G. Nitor subrugata, AM C63479 (S of N. subrugata helmsianus). H. Pravonitor kreffti, BMNH no number (POS). I. Pravonitor kreffti, AM C29647 (H of P. kreffti insularum). J. Expocystis rustica, BMNH1982243 (POH of Helix villaris). K. Malandena suturalis, AM C425087. Scale bars 3 mm (A, E, J), 5 mm (B–D, F–I, K). Photographs by H. Barlow (A, D, F, I), D. Beechey (E, G), I. Hyman (K), W. Ponder (B, H, J), copyright Australian Museum; photographer unknown, copyright Queensland Museum (C). Abbreviations: H, holotype; POH, possible holotype; POS, possible syntype; S, syntype.
FIGURE 27. Shells, lateral view. A. Westracystis lissus, BMNH 90.12.30.80–4 in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 27. Shells, lateral view. A. Westracystis lissus, BMNH 90.12.30.80–4 (S). B. Westracystis lissus, AM C64901 (S of W. tentus). C. Echonitor cyrtochila, BMNH 1922.8.29.16 (H). D. Echonitor albumenoidea, AM C60533 (H). E. Periclocystis ardeni, AM C60541 (H). F. Tarocystis responsivus, AM C104308 (S). G. Conueplecta (Durgellina) calculosa, AM C374873. H. Coneuplecta (Nevelasta) pampini, AM C126763. Scale bars 2 mm (B, G–H), 3 mm (A, C–F). Photographs by H. Barlow (B, F–H), D. Beechey (D–E), W. Ponder (A, C). Abbreviations: H, holotype; S, syntype.
FIGURE 9. Shells, ventral view. A in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 9. Shells, ventral view. A. Helicarion cuvieri, AM C443929. B. Helicarion cuvieri, BMNH 197780 (S of Vitrina verrauxii). C. Helicarion mastersi, AM C101139 (H). D. Helicarion mastersi, AM C101138 (PRH of H. mastersi callidus). E. Mysticarion insuetus, AM C113776 (S). F. Mysticarion porrectus, AM C101136 (PRH). G. Mysticarion hyalina, BMNH 1983075 (H). H. Parmavitrina planilabris, AM C103630. I. Peloparion helenae, AM C101142 (H). J. Brevisentis jacksoniensis, BMNH not registered (S). K. Brevisentis jacksoniensis, AM C101143 (H of B. exclusus). L. Fastosarion superba, BMNH not registered (POS). Scale bars 3 mm (D–G, I–K), 5 mm (A–C, H), 10 mm (L). Photographs by H. Barlow (A, C–D, H–I), D. Beechey (F, K), W. Ponder (B, E, G, J, L). Abbreviations: H, holotype; POS, possible syntype; PRH, probable holotype; S, syntype.
FIGURE 7. Shells, dorsal view. A in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 7. Shells, dorsal view. A. Helicarion cuvieri, AM C443929. B. Helicarion cuvieri, BMNH 197780 (S of Vitrina verrauxii). C. Helicarion mastersi, AM C101139 (H). D. Helicarion mastersi, AM C101138 (PRH of H. mastersi callidus). E. Mysticarion insuetus, AM C113776 (S). F. Mysticarion porrectus, AM C101136 (PRH). G. Mysticarion hyalina, BMNH 1983075 (H). H. Parmavitrina planilabris, AM C103630. I. Peloparion helenae, AM C101142 (H). J. Brevisentis jacksoniensis, BMNH not registered (S). K. Brevisentis jacksoniensis, AM C101143 (H of B. exclusus). L. Fastosarion superba, BMNH not registered (POS). Scale bars 3 mm (G, I–K), 5 mm (A–F, H), 10 mm (L). Photographs by M. Allan (D, I), H. Barlow (A, C, H), D. Beechey (E–F, K), W. Ponder (B, G, J, L). Abbreviations: H, holotype; POS, possible syntype; PRH, probable holotype; S, syntype.
FIGURE 26. Shells, dorsal view. A. Westracystis lissus, BMNH 90.12.30.80–4 in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 26. Shells, dorsal view. A. Westracystis lissus, BMNH 90.12.30.80–4 (S). B. Westracystis lissus, AM C64901 (S of W. tentus). C. Echonitor cyrtochila, BMNH 1922.8.29.16 (H). D. Echonitor albumenoidea, AM C60533 (H). E. Periclocystis ardeni, AM C60541 (H). F. Tarocystis responsivus, AM C104308 (S). G. Conueplecta (Durgellina) calculosa, AM C374873. H. Coneuplecta (Nevelasta) pampini, AM C126763. Scale bars 2 mm (B, G–H), 3 mm (A, C–F). Photographs by M. Allan (F), H. Barlow (B, G–H), D. Beechey (D–E), W. Ponder (A, C). Abbreviations: H, holotype; S, syntype.
FIGURE 8. Shells, lateral view. A in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 8. Shells, lateral view. A. Helicarion cuvieri, AM C443929. B. Helicarion cuvieri, BMNH 197780 (S of Vitrina verrauxii). C. Helicarion mastersi, AM C101139 (H). D. Helicarion mastersi, AM C101138 (PRH of H. mastersi callidus). E. Mysticarion insuetus, AM C113776 (S). F. Mysticarion porrectus, AM C101136 (PRH). G. Mysticarion hyalina, BMNH 1983075 (H). H. Parmavitrina planilabris, AM C103630. I. Peloparion helenae, AM C101142 (H). J. Brevisentis jacksoniensis, BMNH not registered (S). K. Brevisentis jacksoniensis, AM C101143 (H of B. exclusus). L. Fastosarion superba, BMNH not registered (POS). Scale bars 3 mm (E–G, I–K), 5 mm (A–D, H), 10 mm (L). Photographs by H. Barlow (A, C–D, G–H, L), D. Beechey (E, J), W. Ponder (B, F, I, K). Abbreviations: H, holotype; POS, possible syntype; PRH, probable holotype; S, syntype.
FIGURE 20. Shells, lateral view. A in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 20. Shells, lateral view. A. Stanisicarion freycineti, AM C391188. B. Stanisicarion virens, BMNH 197776 (S). C. Parmacochlea fischeri, AM C432179. D. Nitor circumcincta, AM C104161 (H). E. Nitor subrugata, AM C333711. F. Nitor subrugata, AM C63479 (S of N. subrugata helmsianus). G. Pravonitor kreffti, BMNH no number (POS). H. Pravonitor kreffti, AM C29647 (H of P. kreffti insularum). I. Expocystis rustica, BMNH 1982243 (POH of Helix villaris). J. Malandena suturalis, AM C425087. Scale bars 3 mm (A, D, I), 5 mm (B–C, E–H, J). Photographs by H. Barlow (A, C, E, H), D. Beechey (D, F), W. Ponder (B, G, I), I. Hyman (J). Abbreviations: H, holotype; POH, possible holotype; POS, possible syntype; S, syntype.
FIGURE 19. Shells, dorsal view. A in A morphological phylogenetic analysis and generic revision of Australian Helicarionidae (Gastropoda: Pulmonata: Stylommatophora), and an assessment of the relationships of the family 2462
FIGURE 19. Shells, dorsal view. A. Stanisicarion freycineti, AM C391188. B. Stanisicarion virens, BMNH 197776 (S). C. Eungarion mcdonaldi, QMMO35628. D. Parmacochlea fischeri, AM C432179. E. Nitor circumcincta, AM C104161 (POS of Helix marmorata). F. Nitor subrugata, AM C333711. G. Nitor subrugata, AM C63479 (S of N. subrugata helmsianus). H. Pravonitor kreffti, BMNH no number (POS). I. Pravonitor kreffti, AM C29647 (H of P. kreffti insularum). J. Expocystis rustica, BMNH 1982243 (POH of Helix villaris). K. Malandena suturalis, AM C425087. Scale bars 3 mm (E, J), 5 mm (A–D, F–I, K). Photographs by H. Barlow (A, D, F, I), D. Beechey (E, G), I. Hyman (K), W. Ponder (B, H, J), copyright Australian Museum; photographer unknown, copyright Queensland Museum (C). Abbreviations: H, holotype; POH, possible holotype; POS, possible syntype; S, syntype.
Figure 3 in A dark shell hiding great variability: a molecular insight into the evolution and conservation of melanic Daphnia populations in the Alps
Figure 3. Map of the Alps showing European Daphnia pulicaria populations (1–12) and haplotypes (A1–A10) considered in this study. Different colours and patterns identify haplotypes found in more than one population or together with other haplotypes. See Table 1 for details of populations.
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.