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Helladosphaera cornifera (J. Schiller) Kamptner 1937

Helladosphaera cornifera is a species of Haptophyta in the family Calyptrosphaeraceae. They are native to Espirito Santo, Bahia, SãO Paulo, Rio De Janeiro, Santa Catarina, and Paraná. Dead Helladosphaera cornifera 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 13 attributes, including: