From Suzuki Paleotax db:
1847 Cycladadophora spatiosa n. sp. [nomen nudum] Ehrenberg p. 48
1874 Cycladophora spatiosa n. sp. Ehrenberg p. 222-223
1876 Cycladophora spatiosa Ehrenberg Ehrenberg p. 68-69, pl. 18, figs. 5, 6
1887 Cycladophora (Cyclampterium) spatiosa Ehrenberg Haeckel p. 1379-1380
1963 Cycladophora spatiosa Ehrenberg Goke pl. 4, fig. 8
1972 Anthocyrtella spatiosa (Ehrenberg) Petrushevskaya & Kozlova p. 541, pl. 33, figs. 1-3
1975 Anthocyrtella spatiosa (Ehrenberg) group Petrushevskaya pl. 15, fig. 6
1979 Anthocyrtella spatiosa (Ehrenberg) Kozlova & Petrushevskaya figs. 364, 365
1986 Clathrocyclas spatiosa (Ehrenberg) Caulet p. 852
2009 Cycladophora spatiosa Ehrenberg [Ehrenberg collection] Ogane et al. pl. 87, fig. 4a-b
2009 Cycladophora spatiosa Ehrenberg [Ehrenberg collection] Ogane et al. pl. 9, fig. 6a-b
Catalog entries: Cycladophora spatiosa
Original description: [Elegant, smooth, with globose cephalis having a long spine and obscure pores, l5 µ long without spine. Second segment broader, campanulate, 47 µ long, with smaller pores in quincuncial rows (approximately 3 in 23 µ). Third segment the broadest, spacious, campanulate, 66 µ long, with upper pores round and subsequent ones quadrangular (approximately 1 1/2 in 23 µ), in longitudinal and transverse rows, elegantly ornate and truncate, 3 - 4 transverse rows. Total length 150 mcirons. (Translated from Latin by E.M.R. and W.R.R.)]
Geological Range:
Last occurrence (top): within Paleogene Period (23.03-66.04Ma, top in Chattian stage). Data source: Lazarus et al. 2015 - "P age group"
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Lazarus et al. 2015 - "P age group"
Plot of occurrence data:
Ehrenberg, C. G. (1874b). Grössere Felsproben des Polycystinen-Mergels von Barbados mit weiteren Erläuterungen. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1873: 213-263. gs Petrushevskaya, M. G. & Kozlova, G. E. (1972). Radiolaria: Leg 14, Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 14: 459-648. gs O Missing or ambiguous references: ; ; ; ;References:

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Anthocyrtella spatiosa compiled by the radiolaria@mikrotax project team viewed: 15-8-2026
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