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5 results for “Rhoicospheniaceae”
FIGURES 42–46. SEM micrographs. 42–43. Planothidium frequentissimum. 42. Internal valve view showing the roundish cavum with the narrow opening. 43 in A new species of an unexplored diatom genus: Gomphosphenia minima sp. nov. (Cymbellales, Rhoicospheniaceae)
FIGURES 42–46. SEM micrographs. 42–43. Planothidium frequentissimum. 42. Internal valve view showing the roundish cavum with the narrow opening. 43. External view showing the striae composed of three rows of small rounded areolae, and straight raphe branches with expanded drop–like proximal raphe endings. 44–45. Sellaphora nigri. 44. External valve view showing the bow tie-shaped central area and the 'tear-drop' shaped proximal ends of the raphe. 45. External valve view showing the areoles closest to the raphe being larger and slightly angular, square or nearly rounded, while the marginal areoles become smaller and more circular. 46. Eunotia minor, girdle view. Scale bar = 3 µm.
FIGURES 20–26 in A new species of an unexplored diatom genus: Gomphosphenia minima sp. nov. (Cymbellales, Rhoicospheniaceae)
FIGURES 20–26. SEM micrographs of Gomphosphenia minima C. Delgado, S. Blanco, L. González-Paz & S.F.P. Almeida sp. nov. 20. Internal valve view showing the raphe ending and the transapical uniseriate striae. 21. External view of the central area showing the raphe ending slightly expanded into drop-like pores. 22. Internal view of the central area showing the raphe ending curved to one side. 23. External view of the valve showing the striae composed of a single areola. 24. Girdle view of the entire frustule showing the mantle striae composed by row of individual pores (elongated in the pervalvar direction). 25. External valve showing the narrowly rounded headpole. 26. External valve showing the narrowly rounded footpole. Scale bar = 1 μm (Figs 20–26).
FIGURES 2–19 in A new species of an unexplored diatom genus: Gomphosphenia minima sp. nov. (Cymbellales, Rhoicospheniaceae)
FIGURES 2–19. LM micrographs. 2–7. Gomphosphenia minima C. Delgado, S. Blanco, L. González-Paz & S.F.P. Almeida sp. nov. 8–15. Planothidium lanceolatum. 16–19. Planothidium frequentissimum. Scale bar = 10 µm.
FIGURE 1 in A new species of an unexplored diatom genus: Gomphosphenia minima sp. nov. (Cymbellales, Rhoicospheniaceae)
FIGURE 1. Map of Portugal with the municipality of Coimbra highlighted in grey. Location of the study stream (grey circle) in Candal stream, Lousã Mountain, Central Portugal.
FIGURES 27–41 in A new species of an unexplored diatom genus: Gomphosphenia minima sp. nov. (Cymbellales, Rhoicospheniaceae)
FIGURES 27–41. LM micrographs. 27–30. Eunotia minor. 31–41. Sellaphora nigri. Scale bar = 10 µm.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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International Brain Laboratory public data
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OpenNeuro
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