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Chaetoceros concavicornis is a species of diatoms in the family Chaetocerotaceae. They are native to Paraná, Rio De Janeiro, SãO Paulo, Pernambuco, Bahia, and Rio Grande Do Sul. Dead Chaetoceros concavicornis 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 21 attributes, including:

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