- Type images:
x: E. articulatum
From Suzuki Paleotax db:
1874 Ceratospyris articulata n. sp. Ehrenberg p. 218
1874 Eucyrtidium articulatum n. sp. Ehrenberg p. 226
1876 Ceratospyris articulata Ehrenberg Ehrenberg p. 66-67, pl. 22, fig. 4
1876 Eucyrtidium articulatum Ehrenberg Ehrenberg p. 70-71, pl. 11, figs. 2, 3
1887 Dictyomitra (Dictyomitrella) articulata (Ehrenberg) Haeckel p. 1476
1887 Hexaspyris (Hexacorethra) articulata (Ehenberg) Haeckel p. 1048-1049
1971 Eucyrtidium articulatum Ehrenberg Petrushevskaya pl. 88, fig. 1
1973 Ceratospyris articulata Ehrenberg Sanfilippo & Riedel p. 526, pl. 15, figs. 1-3, pl. 31, figs. 8, 9
1978 Ceratospyris articulata Ehrenberg Riedel & Sanfilippo p. 67, pl. 4, figs. 9, 10
1987 Ceratospyris articulata Ehrenberg Nishimura p. 721, pl. 3, fig. 16
1990 Tristylospyris articulata (Ehrenberg) Nishimura p. 119, fig. 25.6
2009 Ceratospyris articulata Ehrenberg [Ehrenberg collection] Ogane et al. pl. 18, fig. 3a-c
2009 Eucyrtidium articulatum Ehrenberg [Ehrenberg collection] Ogane et al. pl. 22, fig. 1a-f
Catalog entries: Eucyrtidium articulatum
x: E. articulatumOriginal description: [8 - 9-segmented, with all segments swollen and constricted to produce a rough margin; the cephalis subglobose, small, unarmed, irregularly porous; the remaining segments gradually becoming broader than long, the last very broad, almost 4 times as wide as long. Pores subquincuncially arranged, in transverse rows varying from 3 - 5 in all segments. Last segment broadly truncate, with a very wide aperture. (Translated from Latin by E.M.R. and W.R.R.)]
Total length 125 µ (with 8 segments). Approximately 6 pores in 23 µ.
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 References:
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Ceratospyris articulata compiled by the radiolaria@mikrotax project team viewed: 11-10-2026
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