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Sphaeroidina sp.

genus Sphaeroidina d'Orbigny, 1826

• Modern species: late Eocene - Present (40.4 - 0.0 Ma)
• Habitat: Marine

• Classification
• kingdom Chromista, infrakingdom Rhizaria, phylum Foraminifera, class Globothalamea, order Rotaliida, family Sphaeroidinidae

• Distribution
• Investigation in progress: Niigata