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.
2,198
datasets available to search
ShareScore release 0.9.0
Dataset results
2,198 results for “Type specimens”
FIGURES 105–110 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 105–110. Diommatetras grossa Komura (Atlantic City well, 406 ft, USA). Fig.105. Quadrangular valve tilted valve margins concave. Lying opposite are 2 elevations each with a rimmed ocellus at summit. Lying midway between elevations vale margin expands with a submarginal stout spine, the opening of a rimoportula present. Valve centre convex with a depressed central area.; scale bar = 10 μm. Fig.106. Valve interior with radial rows of discrete poroid areolae extending from small depressed central area; scale bar = 10 μm. Fig. 107. Anastomosing costae enclosing areolae occluded by cribra with the occasional specialised pore (arrow); scale bar = 2 μm. Fig. 108. Interior opening of submarginal rimoportula, cribra and specialised pore (arrow); scale bar = 2 μm. Fig. 109. Valve rotated showing valve mantle attached to expanded hyaline valve margin by costae; scale bar = 10 μm. Fig. 110. Valve flat with concave valve margins, long costae linking an oval valve centre to elevations, long stout hollow spine, a rimoportula, at opposing angles; scale bar = 10 μm.
FIGURES 101–104 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 101–104. Amphitetras elegans Greville (San Redondo, California, USA). Fig. 101. Quadrangular valve exterior with four slightly raised triangular elevations at apices, depressed valve centre and radial rows of poroid areolae; scale bar = 10 μm. Fig. 102. Elevation with opening of ocellus, remains of porelli on margin, extended hyaline valve margin with raised border; scale bar = 2 μm. Fig. 103. Midway between apices, buttressed opening of rimoportula, remains of cribra occluding poroid areolae, occasional specialised pore (arrow) and surface ridged papillae; scale bar = 3 μm. Fig. 104. Valve interior with radial rows of poroid areolae; scale bar = 50 μm.
FIGURES 95–100 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 95–100. Amphitetras antediluviana Ehrenberg (Port Shepstone, Natal, South Africa). Fig. 95. Quadrangular valve exterior with broadly rounded apices and attached valvocopula; valve surface covered in anastomosing costae, valve centre depressed; scale bar = 10 μm. Fig. 96. Anastomosing costae with surface spinules enclosing poroid areolae mostly occluded by cribra with occasional specialised pores (arrow); scale bar = 2 μm. Fig. 97. Mantle view of valve with barely raised elevations and attached girdle bands; scale bar = 10 μm. Fig. 98. Detail large rimmed ocellus, distally inclined, cribra and specialised pore; scale bar = 2 μm. Figs 99–100. Reproduction of Ehrenberg's original drawing of Amphitetras antediluviana (Ec 100, housed in Berlin: http://download.naturkundemuseum-berlin. de/Ehrenberg/Ec%20Drawings/Ec%20draw%20001-999/Ec%20draw%20100-199/Ec%20dr%200100.jpg), the published illustration appearing in Ehrenberg (1854: pl. 19, fig. 19).
FIGURES 91–94 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 91–94. Amphipentas juncta (A. Schmidt) De Toni (Port Shepstone, Natal, South Africa). Fig. 91. Valve exterior tilted with four slightly raised triangular elevations separated from valve face by short costae; valve covered in anastomosing costae, a row of costae linking valve mantle to expanded valve margin; scale bar = 60 μm. Fig. 92. Ocellus with hyaline rim, anastomosing costae enclosing groups of poroid areolae; scale bar = 15 μm. Fig. 93. Anastomosing costae enclosing poroid areolae occluded by cribra and occasional specialised pore (arrow), note openings from three rimoportulae; scale bar = 10 μm. Fig. 94. Interior with openings from two rimoportulae; scale bar = 5 μm.
FIGURES 87–90 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 87–90. Amphipentas pentacrinus Ehrenberg (Ambrin, New Hebrides [Ambrym, Vanuatu]). Fig. 87. Exterior pentagonal valve with elevations at each pole, an ocellus on summit; valve covered in anastomosing costae with long costae linking elevations to depressed valve centre; scale bar = 10 μm. Fig. 88. Elevation with distally inclined ocellus on summit, note hyaline valve margin extending beyond valve face, mantle attached by costae to its margin; scale bar = 1 μm. Fig. 89. Openings from rimoportulae situated submarginally equidistant between ocelli, anastomosing costae enclosing several poroid areolae, most occluded by cribra with an occasional specialised pore (arrow); scale bar = 2 μm. Fig. 90. Interior with opening from rimoportula, interior openings of cribra and a specialised pore (arrow); scale bar = 1 μm.
FIGURES 81–86 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 81–86. Amphipentas boryana (Pantocsek) De Toni (Castel, Szurdokpüspöki, Hungary). Fig. 81. Reproduction of illustrations for Triceratium boryanum from Pantocsek (1892: pl. 33,fig. 476) (not to scale). Fig. 82. Exterior pentagonal valve with elevations at each angle, a depressed valve centre and regular network of anastomosing costae covering valve face and mantle; scale bar = 10 μm. Fig. 83. Valve interior with attached girdle band, note openings from rimoportulae positioned at base of valve centre midway between elevations; scale bar = 60 μm. Fig. 84. Ocellus with hyaline rim, mantle merging into expanded hyaline valve margin with raised border; scale bar = 6 μm. Fig. 85. Valve interior with radial rows of poroid areolae and openings from rimoportulae, a slit across a papillus; scale bar = 10 μm. Fig. 86. Anastomosing costae enclosing a single poroid areola, most occluded by cribra with an occasional specialised pore (arrow); scale bar = 4.3 μm.
FIGURES 72–75 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 72–75. Zygoceros ehrenbergii Sar (St. Petersburg, Virginia, USA). Fig. 72. Reproduction of Ehrenberg's original drawing of Denticella rhombus, the published illustration appearing in Ehrenberg (1839: pl. 4, fig. 11). Fig. 73. LM of holotype specimen (from Sar et al. 2007: fig. 4). Figs 74–75. BM Adams A. 486, strewn slide from St. Petersburg, type locality of Denticella rhombus. Fig. 74. Valve with very narrow apical annulus (sternum) at valve centre, valve length 107 μm, breadth 55 μm. Fig. 75. Valve with well-defined annulus (sternum) at valve centre; length 95 μm, breadth 48 μm.
FIGURES 60–64 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 60–64. Odontella aurita (Lyngbye) C.A. Agardh, (Breskens Creek, Netherlands). Fig. 60. Frustule with broad triangular elevations with ocelli at apices, raised valve centre and indented valve mantle; scale bar = 10 μm. Fig. 61. Valve face merging into rounded mantle indented at base meeting expanded hyaline valve margin with raised border; valve centre raised with 2 (1 fractured) transapically aligned spines, the openings of rimoportulae, on slopes of central area; scale bar = 10 μm. Fig. 62. Open girdle bands with hyaline abvalvar margins and vertical rows of poroid areolae; scale bar = 5 μm. Fig. 63. Detail of poroid areolae, mostly occluded by cribra with occasional specialised pore (arrow); scale bar = 2 μm. Fig. 64. Valve interior with radial rows of poroid areolae and internal openings of two rimoportulae; scale bar = 10 μm.
FIGURES 76–80 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 76–80. Mastodiscus radiatus (Bailey) A.K.S. Prasad and Nienow (Pensacola, Florida, USA). Fig. 76. Tilted valve exterior with two large opposing rimmed ocelli, rows of poroid areolae radiating from the valve centre and valve mantle with sipho marginalis; scale bar = 38 μm. Fig. 77. Interior openings from rimoportulae lying midway between ocelli; scale bar = 43 μm. Fig. 78. Ocellus with radial rows of porelli within a broad raised hyaline rim; scale bar = 7.5 μm. Fig. 79. Exterior with opening from rimoportula, poroid areolae occluded by vela and an occasional specialised pore (arrow); scale bar = 5 μm. Fig. 80. Interior with opening of rimoportula; scale bar = 5 μm.
FIGURES 65–71 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 65–71. Zygoceros rhombus Ehrenberg (Tampa, Florida). Fig. 65. Valve exterior, short elevations with ocelli at apices and submarginal spines, which are the openings from rimoportulae; scale bar = 20 μm. Fig. 66. Valve interior with radial rows of foramina and submarginal openings of rimoportulae; scale bar = 20 μm. Fig. 67. Exterior with ridged opening from fractured rimoportula, continuous cribrum linked by passage pores and buttressed branched spines covering valve; scale bar = 2 μm. Fig. 68. Rimmed ocellus at summit of elevation, narrow hyaline valve margin with raised border; scale bar = 5 μm. Fig. 69. Exterior with barely raised elevations, submarginal rimoportulae opening through spines; scale bar = 20 μm. Fig. 70. Interior with foramina and two openings from rimoportulae; scale bar = 5 μm. Fig. 71. Triangular valve with attached girdle bands, three short elevations with ocellus at summit; scale bar = 20 μm.
FIGURES 56–59 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 56–59. Odontella aurita (Lyngbye) C.A. Agardh (Hofmansgave, Denmark). Fig. 56. Fractured frustule with full set of girdle bands; lower valve with indented valve mantle, broad short elevations at apices, raised valve centre with opposing long spines positioned near summit; scale bar = 20 μm. Fig. 57. Reproduction of plate 62, fig. D for Diatoma auritum from Lyngbye (1819) (not to scale). Fig. 58. Fractured valve with expanded hyaline valve margin with raised border, interior with indented hyaline area between mantle and margin, fracture across poroid areolae and rimmed ocellus at summit of elevation; scale bar = 10 μm. Fig. 59. Poroid areolae with two types of occlusions, mostly cribra with an occasional specialised pore (a circle of pores surrounding a hyaline centre, arrow); scale bar = 1 μm.
FIGURES 44–50 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 44–50. Parodontella fimbriata (Greville) D.M. Williams & P.A. Sims (Sengilei, Ulyanovsk, Russia). Fig. 44. Valve flat with broad lanceolate valve face, elevations with spiny marginal ridge extending between apices; scale bar = 50 μm. Fig. 45. Valve interior with openings from rimoportulae lying at margin of valve face; scale bar = 50 μm. Fig. 46. Reproduction of illustration for Biddulphia fimbriata from Greville (1865a: plate 1, fig. 4) (not to scale). Fig. 47. Valve exterior tilted with narrow, slightly curved elevations at apices, marginal ridge of fused spines buttressed to mantle at base central annulus (arrow) (sternum), 11 hollow spines positioned just within valve face, long spinules on valve face, short ones scattered on mantle; scale bar = 50 μm. Fig. 48. Pole with outwardly directed curved elevation with expanded hyaline rim to distally inclined ocellus; scale bar = 20 μm. Fig. 49. Exterior with irregular rows of transapically aligned poroids; scale bar = 5 μm. Fig. 50. Interior with foramina and openings from two rimoportulae; scale bar = 10 μm.
FIGURES 29–35 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 29–35. Parodontella calamus (Brun and Tempère) Komura (Sendai, Japan). Fig. 29. Reproduction of plate 5, fig. 15 for Biddulphia calamus from Tempère and Brun (1889 [1890]) (not to scale). Fig. 30. Tilted valve exterior with four stout spines positioned marginally on valve face, crenulated marginal ridge and deep expanded mantle; scale bar = 60 μm. Fig. 31. Valve exterior flat, with lanceolate valve face with central sternum, broad mantle extending around apices; scale bar = 43 μm. Fig. 32. Apical view with short narrow elevations at apices, four very long stout spines expanded at base and long spinules on mantle; scale bar = 43 μm. Fig. 33. Valve interior with foramina, interior and exterior openings of rimoportula and crenulated marginal ridge; scale bar = 25 μm. Fig. 34. Apical axis, mantle with radially aligned with rows of poroids between longitudinal, barely raised, costae; scale bar = 10 μm. Fig. 35. Interior, foramina and sunken papillus with central slit, which is the opening of a rimoportula; scale bar = 4.3 μm.
FIGURES 21–28 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 21–28. Acigonium spinosa (Greville) P. A. Sims & D.M. Williams (Vema Cruise 17, core 107, 50cm). Fig. 21. Reproduction of plate 1, fig. 3 for Biddulphia spinosa from Greville (1859) (not to scale). Fig. 22. Valve with long hollow spines arising from marginal ridge, barely expanded mantle; scale bar = 10 μm. Fig. 23. Exterior flat with lanceolate valve face and central sternum extending between apical elevations; 6 spines arising from marginal ridge; scale bar = 20 μm. Fig. 24. Elevation with remains of ocellus on distal face and flattened summit; scale bar = 6 μm. Fig. 25. Valve centre with locular walls meeting at central annulus (sternum) (arrow); scale bar = 10 μm. Fig. 26. Valve tilted, marginal ridge with spines (which are the openings of rimoportulae) extending to base; scale bar = 20 μm. Fig. 27. Apical area, elevation with fractured ocellus on distal face, mantle with longitudinal and transverse costae; scale bar = 10 μm. Fig. 28. Flattened summit of elevation with ocellus on distal face; scale bar = 3 μm.
FIGURES 51–55 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 51–55. Parodontella tenuicornis (Greville) D.M. Williams & P. A. Sims (Vema Cruise 17, core 107,120 cm). Fig. 51. Valve exterior tilted with long narrow elevations at apices, valve face bordered by marginal ridge of fused spines and four stout hollow spines (which are the openings from rimoportulae) extending beyond the height of the elevations; scale bar = 30 μm. Fig. 52. Detail of hyaline elevation with spathulate summit, valve face covered in long spinules; scale bar = 15 μm. Fig. 53. Exterior flat, valve face extending almost to apices, annulus (sternum) (arrow) extending midway between elevations with transapical rows of poroids above locular walls; scale bar = 38 μm. Fig. 54. Flattened summit of elevation with margin of small triangular spines, on distal face a triangular ocellus, its base towards summit; scale bar = 2 μm. Fig. 55. Valve mantle with biseriate rows of poroids between barely raised vertical costae; scale bar = 5 μm.
FIGURES 14–20 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 14–20. Trieres sinensis (Greville) Ashworth & E. C. Theriot ("Wunderluss", locality unknown ex Brigger colln, BM). Fig. 14. Oval valve with narrow valve face and parallel margins extending almost to apices and broad semi-lanceolate mantle; scale bar = 10 μm. Fig. 15. Valve tilted with short narrow apical elevations, a long spine at its base; scale bar = 10 μm. Fig. 16. Valve centre with irregular pattern of poroids and occasional circular pores, probably the bases of hollow spinules; scale bar = 1 μm. Fig. 17. Quadrangular-hexagonal locular walls with external transapical rows of poroids meeting a short annulus at valve centre; scale bar = 1 μm. Fig. 18. Elevation with ocellus on summit and forked opening of hollow spine (rimoportula); scale bar = 10 μm. Fig. 19. Ocellus with margin of small triangular spines; scale bar = 1 μm. Fig. 20. Short annulus (arrow) (sternum) extending from base of hollow spine; scale bar = 2 μm.
FIGURES 36–43 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 36–43. Parontella ruthenica (Witt) D. M. Williams & P.A. Sims (Moreno, California, USA). Fig. 36. Exterior tilted with outwardly directed elevations at apices, marginal ridge of spines, ten long submarginal hollow spines (openings from rimoportulae); scale bar = 50 μm. Fig. 37. Valve face with transapical rows of loculi meeting at central sternum (arrow) and mantle with lines of poroids bound by barely raised longitudinal costae; scale bar = 15 μm. Fig. 38. Vale exterior tilted with 7 long hollow submarginal spines and spinules on valve face; scale bar = 43 μm. Fig. 39. Valve interior with openings from 9 rimoportulae and marginal ridge of fused spines; scale bar = 50 μm. Fig. 40. Interior with foramina and openings of two rimoportulae; scale bar = 6 μm. Fig. 41. Elevation with flattened summit and ocellus on distal face; scale bar = 5 μm. Figs 42–43. B.M. 52964, specimens from Ananino, Simbirsk. Fig. 42. Valve face 121 μm x 58 μm. Fig. 43. Mantle view, specimen 95 μm long.
FIGURES 8–13 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 8–13. Trieres regia (M.Schultze) Ashworth & E.C. Theriot (Bonny River, Nigeria). Fig. 8. Reproduction of illustrations for Denticella regia from Schultze (1859: figs 11 and 12) (not to scale). Fig. 9. Valve exterior tilted, apices with narrow outwardly directed elevations, broad mantle narrowing to acute apices and marginal ridge extending between elevations; scale bar = 43 μm. Fig. 10. Valve face fractured showing loculate areolae and scattered spinules on face and mantle; scale bar = 2 μm. Fig. 11. Valve flat with lanceolate valve face, semi-lanceolate mantle and narrow annulus (sternum) extending just beyond hollow spines, which are the openings from rimoportulae; scale bar = 38 μm. Fig 12. Elevation with small flat summit and ocellus on distal face; scale bar = 2.5 μm. Fig. 13. Detail of narrow annulus (arrow) (sternum) bordered by transapical rows of poroids; scale bar = 7.5 μm.
FIGURES 1–7 in Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera
FIGURES 1–7. Trieres mobiliensis (J.W. Bailey) Ashworth & E.C. Theriot ("Wunderluss", locality unknown ex Brigger colln, BM). Fig. 1. Valve tilted showing sinuous valve face bordered by crenulated marginal ridge extending between narrow elevation; annulus (sternum) indicated by arrows; scale bar = 38 μm. Fig. 2. Mantle view: deep mantle with produced apices, narrow outwardly directed elevations and two very long tubular spines (40–45μm) with forked apices, which are the openings from each rimoportula;; scale bar = 38 μm Fig. 3. Exterior, valve face with triseriate transapical rows of poroids, crenulated marginal ridge and opening of (fractured) spine; scale bar = 6 μm. Fig. 4. Flattened summit of elevation with ocellus on distal face; scale bar = 5 μm. Fig. 5. Annulus (sternum) with hyaline border, internal scattered poroids with circular hyaline areas; scale bar = 4.3 μm Fig 6. Flat exterior, narrow annulus (sternum) extending just beyond base of hollow spines (arrows); scale bar = 38 μm. Fig. 7. Reproduction of illustrations for "Zygoceros (Denticella?) mobiliensis
FIGURE 1 in The holotype of Chenopodium baryosmon (Chenopodiaceae) rediscovered: just one of many type specimens from the private herbarium of Schultes, now in the Turczaninow herbarium at KW
FIGURE 1. Holotype of Chenopodium baryosmon (≡ Salsola baryosma, now treated as a synonym of Caroxylon imbricatum), KW001002885; the only actual specimen of the species seen by Schultes (courtesy of the National Herbarium of Ukraine, KW).
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.