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Spiroplectammina expansa Leroy, 1941
From the collection of NMNH Paleobiology, Smithsonian. Free to download, adapt and use — no permission needed.
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Cenozoic / Tertiary
NMNH Paleobiology, Smithsonian’s own descriptionCredit lineSpiroplectammina expansa Leroy, 1941. L. E. Den Hartog. NMNH Paleobiology, Smithsonian. CC0.