| 1. | The relationship between the Foraminifera and Radiolaria is also debated.
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| 2. | Biogenic silica occurs in the structure of diatoms, radiolaria and siliceous sponges.
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| 3. | Note that not all tests are calcareous; diatoms and radiolaria have siliceous tests.
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| 4. | Famintsyn discovered the symbiosis of algae with radiolarias and developed a theory of symbiogenesis.
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| 5. | Minute pelagic species in the phyla Foraminifera and Radiolaria also produce ornate calcareous skeletons.
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| 6. | Diatoms, radiolaria and siliceous sponges use biogenic silica as a structural material for skeletons.
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| 7. | The "'Matanuska Formation "'consists of more than of radiolaria.
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| 8. | The hard red Franciscan chert is sedimentary in origin and rich in microscopic radiolaria fossils and seashells.
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| 9. | The term " Radiozoa " has been used to refer to radiolaria when Phaeodarea is explicitly excluded.
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| 10. | Radiolaria grow their intricately beautiful patterned skeleton around their soft core in defiance of normal biological process.
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