Image of <i>Cocconeis placentula</i> var. <i>lineata</i> (Ehrenb.) Van Heurck
Unresolved name


Proyecto Agua   cc-by-nc-sa

Achnanthales is an order of . There are 2 species of Achnanthales, in 2 genera and 1 family. Dead Achnanthales 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 5 attributes, including:

Achnanthales includes 1 child: