Terpsinoe americana by H. and M. PeragalloDiatomées marines de France et des districts maritimes voisins, par H. et M. Peragallo (b. 1851 and 1853, respectively). Publication info: Grez-sur-Loing,M. J. Tempère,1897-1908. Plate 90
Mediopyxis helysia.Image shows chloroplasts, small sparkling droplets of storage matter, and the fine tubes of the labiate processes (rimoportulae). Scale bar indicates 100 m. Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.For more look at www.protisten.de/english/gallery_main/gallery_main.htmlFor high-resolution images please ask postmaster@protisten.de.
Depth-of-focus image exhibiting structure of the frustules. Chloroplasts are concentrated in cell centers due to long lasting exposition with microscope's illumination. Scale bar indicates 25 m. The image was built up using several photomicrographic frames with manual stacking technique. Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.For more look at www.protisten.de/english/gallery_main/gallery_main.htmlFor high-resolution images please ask postmaster@protisten.de.
Summary[edit] Description: English: Live specimen of the centric diatom Eucampia zodiacus collected at Helgoland Roads 5th September 2017. Date: 5 September 2017. Source: planktonnet. Author: alexandra.
Terpsinoe americana by Henri CoupinFrom: Album général des diatomées marines, d'eau douce ou fossiles : album représentant tous les genres de diatomées et leurs principales espèces / par Henri Coupin (b. 1868).Plate 313: frustrules (600x magnification). sea water
Mediopyxis helysia.Closeup showing chloroplasts, sparkling droplets of storage matter and the nuclei with central hyalin nucleolus and the granulated karyoplasma around. Scale bar indicates 25 m. The image was built up using several photomicrographic frames with manual stacking technique. Sample from North Sea near Heligoland (spring diatom bloom). Images were taken using Zeiss Universal with Olympus C7070 CCD camera.For more look at www.protisten.de/english/gallery_main/gallery_main.htmlFor high-resolution images please ask postmaster@protisten.de.
Odontella aurita.Scale bar indicates 10 m. Sample from North Sea near Heligoland (spring diatom bloom). Use of SEM equipment courtesy of Lab Dr. Karl-Heinz Schffner, Solingen, Germany. For more look at www.protisten.de/english/gallery_main/gallery_main.htmlFor high-resolution images please ask postmaster@protisten.de.