Chaetoceros curvisetus is a species of diatoms in the family Chaetocerotaceae. They are native to Rio Grande Do Sul, SãO Paulo, Rio Grande Do Norte, Santa Catarina, Maranhao, Espirito Santo, Pernambuco, Rio De Janeiro, and Paraná. Dead Chaetoceros curvisetus 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 29 attributes, including:

Known occurrences, collected specimens and observations of Chaetoceros curvisetus. View this species on GBIF