Wolfgang Bettighofer   cc-by-nc-sa

Diatomeae (Diatoms) is a class of heterokont. There are 4333 species of Diatoms, in 570 genera and 96 families. This class has been around since the famennian age. Dead Diatoms 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:

Wolfgang Bettighofer   cc-by-nc-sa

Diatom Habitats

The environments in which many diatoms species are known to live. Select an environment to see its diatoms species checklist.

diatoms Habitats

The environments in which many diatoms species are known to live. Select an environment to see its diatoms species checklist.