Radiolarian Astrosestrum Sp., Sem #6
by Oliver Meckes EYE OF SCIENCE
Title
Radiolarian Astrosestrum Sp., Sem #6
Artist
Oliver Meckes EYE OF SCIENCE
Medium
Photograph - Photograph
Description
Radiolarian [Protists Rhizaria, Radiolaria, Legion SPUMELLARIA, Order DISCOIDEA, Astrosestrum sp. (Haeckel)]. Radiolaria, also called Radiozoa, are protozoa that produce intricate mineral skeletons made of silica, typically with a central capsule dividing the cell into the inner and outer portions of endoplasm and ectoplasm. They are found as zooplankton throughout the ocean, and their skeletal remains, or tests, make up a large part of the cover of the ocean floor as siliceous ooze. This specimen is from Mount Diablo in California and dates to the Eocene (34-56 million years ago). Scanning electron microscope, magnification 4001 (when 15cm wide).
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May 19th, 2021
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