Image of <i>Dagmarodiscus shugorensis</i> Chermnykh 1996
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Archaediscida Cushman 1928 ex Pojarkov & Skvortsov 1979

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Archaediscida is an order of forams. There are 449 species of Archaediscida, in 62 genera and 8 families. Dead Archaediscida form calcareous oozes.

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  • 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 3 attributes, including: