From Suzuki Paleotax db:
1996 Cycladophora aff. sakaii Motoyama Motoyama p. 246, pl. 4, figs. 7a, 7b
1996 Cycladophora sakaii n. sp. Motoyama p. 246, pl. 4, figs. 4a-6b
Catalog entries: Cycladophora sakaii
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Geological Range:
Last occurrence (top): within Neogene Period (2.59-23.03Ma, top in Piacenzian stage). Data source: Lazarus et al. 2015 - "N age group"
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Lazarus et al. 2015 - "N age group"
Plot of occurrence data:
Motoyama, I. (1996). Late Neogene radiolarian biostratigraphy in the subarctic Northwest Pacific. Micropaleontology. 42(3): 221-262. gsReferences:

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Cycladophora sakaii compiled by the radiolaria@mikrotax project team viewed: 21-1-2026
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