Science Source Stock Photo - Radiolarian (Podocyrtis sp.), SEM

Radiolarian (Podocyrtis sp.), SEM

Description: Radiolarian [Protists: Rhizaria, Radiolaria, Legion NASSELLARIA, Order CYRTOIDEA, Family Podocyrtida, Podocyrtis 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 Hillaby on Barbados and dates to the Eocene (34-56 million years ago). Scanning electron microscope, magnification 300:1 (when 15cm wide).

Credit:

Eye Of Science/Science Source

Unique identifier: SS177690

Type: Image

Size: 6400px × 5513px (~100 MB)

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