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.
117
datasets available to search
ShareScore release 0.7.1
Dataset results
117 results for “Achnanthidium”
FIGURES 41–49 in Achnanthidium guarulhense sp. nov. (Achnanthidiaceae, Bacillariophyta), a new diatom species from a Conservation Unit in Southeast Brazil
FIGURES 41–49. SEM images of Achnanthidium guarulhense sp. nov. of the (UPCB 105117) holotype slide from Negro Lake, Guarulhos, state of São Paulo. 41. SEM external view of raphe valve showing striation pattern, and axial and central areas. 42–44. SEM internal view of the raphe valve. 44. Note the detail of areolae occlusions. 45–46. SEM external view of the rapheless valve. 47. SEM internal view of the rapheless valve. 48–49. SEM showing the girdle view. SEM scale bar = 3 μm; 44 =1 μm; 46, 49 = 4 μm.
FIGURES 471–477 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 471–477. SEM micrographs of Achnanthidium lusitanicum Novais & M.Morais, sp. nov. from Boeiro, Sertã Stream (Tejo basin), 09-07-2006 (324/06). 471. Raphe valve in external view. 472. Raphe valve in internal view. 473. Rapheless valve in external view. 474. Rapheless valve in internal view. 475. Detail of the central area of a raphe valve, with the straight, not expanded, proximal raphe pores. 476. Detail of the apex of a raphe valve in external view, with the raphe ending not expanded and slightly deflected. 477. Detail of the apex of a raphe valve in internal view, with the distal raphe ending terminating in a small helictoglossa and the areolae covered by hymenes. Scale bars = 1 μm.
FIGURES 159–162 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 159–162. SEM micrographs of the type material of Achnanthes minutissima var. cryptocephala Grunow in Van Heurck (Van Heurck Types du Synopsis 238). 159. External view of a raphe valve, with the central area as a rectangular fascia. 160. Internal view of a raphe valve, with the central area as a rectangular fascia. 161. External view of a rapheless valve. 162. Internal view of a rapheless valve. Scale bars = 1 μm.
FIGURES 399–402 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 399–402. SEM micrographs of Achnanthidium duriense Novais & Ector, sp. nov. from A-do-Bispo, Torto River, Douro basin, 18-08-2007 (129/07). 399. Raphe valve in girdle view, with the row of slit-like areolae on the mantle clearly visible. 400. Detail of a raphe valve in external view, with the proximal raphe ends drop-shaped and slightly deflected unilaterally. 401. Detail of a raphe valve in external view. 402. Detail of a rapheless valve in external view, with the rounded areolae on the valve and the slit-like areolae on the mantle, including the apex. Scale bars = 1 μm.
FIGURES 259–262 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 259–262. SEM micrographs of Achnanthidium nanum (F.Meister) Novais & Jüttner, comb. nov. from Côja, Alva River (Mondego basin), 11–06–2007 (325/07). 259. Raphe valve in external view. 260. Raphe valve in internal view. 261. Rapheless valve in external view. 262. Rapheless valve in internal view. Scale bars = 1 μm.
FIGURES 386–389 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 386–389. SEM micrographs of Achnanthidium pseudolineare Van de Vijver, Novais & Ector from Covas, Coura River, Minho basin, 21–09–2007 (224/07). 386. Raphe valve in external view. 387. Raphe valve in internal view. 388. Rapheless valve in external view. 389. Rapheless valve in internal view, showing raphe vestiges. Scale bars = 1 μm.
FIGURES 140–144 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 140–144. SEM micrographs of the type material of Achnanthes minutissima Kütz. (isotype material, Kützing's Algarum Aquae Dulcis Germanicarum, Decade VIII, no. 75, Kützing 301). 140. External view of a raphe valve. 141. Internal view tilted of a raphe valve. 142. External view of a rapheless valve. 143. Internal view of a rapheless valve. 144. External view of a rapheless valve in girdle view showing the elongated, almost always slit-like, areolae of the single row along the mantle. Scale bars = 1 μm.
FIGURES 2–139 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 2–139. LM micrographs of the type material. 2–55. Achnanthes minutissima Kütz. (isotype material, Kützing's Algarum Aquae Dulcis Germanicarum, Decade VIII, no. 75, Kützing 301). 56–79. Achnanthidium microcephalum Kütz. (isotype material, Herb. Kützing n° 287). 80–125. Achnanthes minutissima var. cryptocephala Grunow in Van Heurck (Van Heurck Types du Synopsis 238). 126–139. Achnanthes minutissima var. inconspicua Østrup (Østrup collection, 753-2).
FIGURES 467–470 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 467–470. SEM micrographs of Achnanthidium lusitanicum Novais & M.Morais, sp. nov., from Janeiro de Baixo, Zêzere River (Tejo basin), 08-07-2006 (394/06). 467. Raphe valve in external view. 468. Raphe valve in internal view. 469. Rapheless valve in external view. 470. Rapheless valve in internal view. Scale bars = 1 μm.
FIGURE 1 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURE 1. Location of Portuguese Achnanthidium species. White star: A. nanum; white diamond: A. pseudolineare; white square: A. lusitanicum; white circle: A. duriense.
FIGURES 270–379 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 270–379. LM micrographs of Achnanthidium pseudolineare and A. duriense Novais & Ector, sp. nov. (holotype population). 270–290. Achnanthidium pseudolineare from Portela do Homem, Homem River, Cávado basin, 26-09-2007 (34/07). 291–333. Achnanthidium pseudolineare from Covas, Coura River, Minho basin, 21-09-2007 (224/07). 334–379. Achnanthidium duriense from Ado-Bispo, Torto River, Douro basin, type locality, 18-08-2007 (129/07). 343 is of the holotype. Scale bar = 10 μm.
FIGURES 263–269 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 263–269. SEM micrographs of Achnanthidium nanum (F.Meister) Novais & Jüttner, comb. nov. from Himalayan streams, M62, K52, Helan 16 (NMW.C.2007.006.M62, NMW.C.2007.006.K52, NMW.C.2007.006.He16). 263, 265. Raphe valves in external view. 264, 267. Rapheless valves in external view. 266. Rapheless valve in internal view. 268. Raphe valve in internal view. 269. Complete frustule in girdle view. Scale bars = 1 μm.
FIGURES 153–158 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 153–158. SEM micrographs of the type material of Achnanthidium microcephalum Kütz. (isotype material, Herb. Kützing n° 287). 153. External view of a raphe valve. 154. Internal view of a raphe valve. 155, 157. External view of a rapheless valve. 156. Internal view of a rapheless valve. 158. External view of a raphe valve in girdle view, with the slit-like areolae in the mantle clearly visible. Scale bars = 1 μm.
FIGURES 171–174 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 171–174. SEM micrographs of the type material of Achnanthes minutissima var. inconspicua Østrup (Østrup collection, 753–2). 171. External view of a raphe valve, with central area as a rectangular fascia. 172. Internal view of a raphe valve. 173. External view of raphe valve with a single row of slit-like areolae, clearly visible on the mantle. 174. External view of a rapheless valve. Scale bars = 1 μm.
FIGURES 403–466 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 403–466. LM micrographs of Achnanthidium lusitanicum Novais & M.Morais, sp. nov. 403–445. Janeiro de Baixo, Zêzere River (Tejo basin), 08–07–2006 (394/06), type locality; 443 is of the holotype. 446–466. Boeiro, Sertã Stream (Tejo basin), 09-07-2006 (324/06). Scale bar = 10 μm.
FIGURES 380–385 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 380–385. SEM micrographs of Achnanthidium pseudolineare Van de Vijver, Novais & Ector from Portela do Homem, Homem River, Cávado basin, 26-09-2007 (34/07). 380. Raphe valve in external view. 381. Raphe valve in internal view. 382. Rapheless valve in external view. 383. Rapheless valve in internal view. 384. Detail of a raphe valve in external view, with the straight, not expanded, proximal pores and distal ending. The elongated, mostly slit-like areolae on the mantle are clearly visible. 385. Detail of a raphe valve in internal view, with the straight raphe ending, terminating in a small helictoglossa. Scale bars = 1 μm.
FIGURES 390–394 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 390–394. SEM micrographs of Achnanthidium pseudolineare Van de Vijver, Novais & Ector from Covas, Coura River, Minho basin, 21–09–2007 (224/07). 390. Detail of the apex of a raphe valve in external view, with the straight distal raphe ending. 391. Detail of the central area of a raphe valve in external view, bordered by spaced shorter striae formed by transapically elongated areolae, and the straight, not expanded, proximal pores. 392. Detail of the apex of a raphe valve in internal view, with the raphe ending in a small helictoglossa. 393. Detail of the apex of a rapheless valve in internal view. 394. Complete frustule in girdle view, with the slit-like areolae on the mantle. Scale bars = 1 μm.
FIGURES 175–258 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 175–258. LM micrographs of the type material and several populations of Achnanthidium nanum (F.Meister) Novais & Jüttner, comb. nov. from Portugal, Nepal, Scotland and Switzerland. 175–214. Côja, Alva River, Mondego basin, Portugal, 11-06-2007 (325/07). 215–238. Himalayan streams, Nepal, M62, K52, Helan 16 (NMW.C.2007.006.M62, NMW.C.2007.006.K52, NMW.C.2007.006.He16). 239–248. Foveran Burn, Mill of Newburgh, Scotland (NMW.C.2011.050.SEPA.1810037). 249–258. Achnanthes nana F.Meister (F. Meister collection, #2432), Riffelsee, Switzerland. Scale bar = 10 μm.
FIGURES 163–170 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 163–170. SEM micrographs with details of the type material of Achnanthes minutissima var. cryptocephala Grunow in Van Heurck (Van Heurck Types du Synopsis 238). 163. Apice of a raphe valve in external view, showing rounded areolae at the extremity and slit-like areolae in the valve margin. 164. Apice of a raphe valve in internal view, with the transapically elongated areolae in the valve margin. 165. Apice of a rapheless valve in external view, with the slit-like areolae in the valve margin and in the mantle. 166. Apice of a rapheless valve in internal view, with the transpically elongated areolae in the valve margin. 167. Central area of a rapheless valve in external view, with elliptical shape and bordered by alternating shorter and longer striae. 168. Central area of a rapheless valve in internal view, with elliptical shape and bordered by shorter striae. 169. Central area of a raphe valve in external view, showing the rectangular fascia and the straight not expanded proximal pores. 170. Central area of a raphe valve in internal view, showing the rectangular fascia and the proximal raphe pores slightly deflected into opposite directions. Scale bars = 1 μm.
FIGURES 395–398 in Morphological variability within the Achnanthidium minutissimum species complex (Bacillariophyta): comparison between the type material of Achnanthes minutissima and related taxa, and new freshwater Achnanthidium species from Portugal
FIGURES 395–398. SEM micrographs of Achnanthidium duriense Novais & Ector, sp. nov. from A-do-Bispo, Torto River, Douro basin, 18-08-2007 (129/07). 395. Raphe valve in external view. 396. Raphe valve in internal view. 397. Rapheless valve in external view. 398. Rapheless valve in internal view. Scale bars = 1 μm.
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.