Radiolarian test — Free Oceanography Illustration | GPAI | GPAI

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Radiolarian test — Free Oceanography Illustration | GPAI | GPAI

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Radiolarian test

Radiolarian test

Oceanography

Radiolarian test

Microscopic siliceous test of a radiolarian with intricate geometric symmetry, translucent white to glassy in appearance. The shell is hard and delicately constructed with perforated lattice walls and fine ornamental ridges, typically spherical to polyhedral or star-like, but also occurring in helmet-shaped or multi-segmented forms. Long thin needlelike spines radiate outward from the test.

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PNG

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