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Lithodesmium undulatum is a species of diatoms in the family Lithodesmiaceae. They are native to Bahia, Alagoas, Pernambuco, ParaíBa, Paraná, Rio Grande Do Sul, Sergipe, Rio De Janeiro, Rio Grande Do Norte, SãO Paulo, and Santa Catarina. Dead Lithodesmium undulatum 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 26 attributes, including:

Known occurrences, collected specimens and observations of Lithodesmium undulatum. View this species on GBIF