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Rhizosphaera sp.

genus Rhizosphaera Haeckel, 1860

• Extinct species: Late Jurassic (161.2 - 155.7 Ma)
• Habitat: Marine

• Classification
• kingdom Chromista, infrakingdom Rhizaria, phylum Radiozoa, class Polycystinea, order Entactinaria, family Rhizosphaeridae

• Distribution
• Miocene: Tochigi