Image of <i>Eotuberitina sphaera</i> Lin 1981
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Afusulinina Vachard, Pille & Gaillot 2010

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Afusulinina is a subclass of forams. There are 935 species of Afusulinina, in 170 genera and 27 families. Dead Afusulinina form calcareous oozes.

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  • URI: http://purl.obolibrary.org/obo/ENVO_02000046
  • Definition: Calcareous ooze is a marine sediment composed primarily of the shells--also known as tests--of foraminifera, coccolithophores, and pteropods. This is the most common pelagic sediment by area, covering 48% of the world ocean's floor. This type of ooze is limited to depths above the Carbonate Compensation Depth at time of burial. It accumulates more rapidly than any other pelagic sediment type, with a rate that varies from 0.3 - 5 cm / 1000 yr.
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EOL has data for one attribute.