portrait
A colonial spumellarian radiolarian (Collosphaera sp.) composed of numerous central capsules (purple porous spheres) connected to one another by cytoplasmic strands and enclosed in a clear gelatinous sheath secreted by the radiolarian cytoplasm. This picture was taken by O. Roger Anderson of material from oceanic samples. Image copyright: O. R. Anderson, image used under license to MBL (micro*scope).
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Collosphaera
From the collection
Radiolaria by O. R. Anderson
| Description of Collosphaera: Each central capsule surrounded by a Latticed shell, smooth-surfaced, lying at considerable distance from one another, and varying in shape among species from spherical, crumpled, polygonal or in the form of a thin net of large and small polygonal meshes. |
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