Ditylum brightwellii is a species of diatoms in the family Lithodesmiaceae. They are native to Rio De Janeiro, Maranhao, Sergipe, Alagoas, Rio Grande Do Norte, Pernambuco, Bahia, SãO Paulo, Pará, Rio Grande Do Sul, Amapá, Espirito Santo, and Paraná. Dead Ditylum brightwellii form siliceous oozes.

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  • URI: http://purl.obolibrary.org/obo/ENVO_02000044
  • 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 25 attributes, including:

Known occurrences, collected specimens and observations of Ditylum brightwellii. View this species on GBIF