From Suzuki Paleotax db:
1983 Pterocyrtidium praebarbadense n. sp. Kozlova p. 99, pl. 5, figs. 14
Catalog entries: Pterocyrtidium praebarbadense
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Geological Range:
Last occurrence (top): within Paleocene Epoch (55.96-66.04Ma, top in Thanetian stage). Data source:
First occurrence (base): within Paleocene Epoch (55.96-66.04Ma, base in Danian stage). Data source:
Plot of occurrence data:
Kozlova, G. E. (1983d). Radiolyarievye kompleksy boreal'nogo nizhnego paleotsena. (In) Rol' Mikrofauny v Izutsenii Osadotsnykh Tolshsh Kontinentov i Morey. VNIGRI. . 84-112. gsReferences:

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Pterocyrtidium praebarbadense compiled by the radiolaria@mikrotax project team viewed: 22-4-2026
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