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Frustulia rhomboides is a species of diatoms in the family Amphipleuraceae. They are native to GoiáS, SãO Paulo, Minas Gerais, Paraná, and Rio De Janeiro. Dead Frustulia rhomboides form siliceous oozes.

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  • Definition: Siliceous ooze is a marine sediment composed of the debris of plankton with silica shells, such as diatoms and radiolaria. This ooze is limited to areas with high biological productivity, such as the polar oceans, and upwelling zones near the equator. The least common type of sediment, it covers only 15% of the ocean floor. It accumulates at a slower rate than calcareous ooze: 0.2-1 cm / 1000 yr.
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EOL has data for 6 attributes, including:

Known occurrences, collected specimens and observations of Frustulia rhomboides. View this species on GBIF