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Rhopalodiales is an order of diatoms. There are 19 species of Rhopalodiales, in 4 genera and 1 family. This order has been around since the pliocene epoch. It includes groups like Rhopalodiaceae. Dead Rhopalodiales 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 8 attributes, including:

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

Rhopalodiales includes 1 child: