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Williriedellum tetragona

Williriedellum tetragona Matsuoka

• Extinct species
• Habitat: Marine

• Classification
• kingdom Chromista, infrakingdom Rhizaria, phylum Radiozoa, class Polycystinea, order Nassellaria, family Williriedellidae, genus Williriedellum

• Distribution
• Jurassic: Tochigi