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Gyroidina sp.

genus Gyroidina d'Orbigny, 1826

• Modern species: Late Cretaceous - Present (99.7 - 0.0 Ma)
• Habitat: Marine

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

• Distribution
• Pliocene: Chiba
• Pleistocene: Chiba

• Subtaxa
• G. orbicularis