From Suzuki Paleotax db:
1874 Lychnocanium turgidum n. sp. Ehrenberg p. 245
1876 Lychnocanium turgidum Ehrenberg Ehrenberg p. 80-81, pl. 7, fig. 6
1887 Pterocorys (Pterocyrtidium) turgida (Ehrenberg) Haeckel p. 1319
1972 Lithochytris (Lithochytrodes) turgidulum (Ehrenberg) Petrushevskaya & Kozlova p. 552, pl. 27, figs. 8, 9
1975 Lychnocanoma babylonis-turgidulum group Ling p. 729, pl. 10, figs. 8-10
2006 Lychnocanoma turgidum (Ehrenberg) Nigrini et al. p. 44, pl. P4, fig. 6
Catalog entries: Lychnocanium turgidum
Original description: [Smooth, broad; cephalis hemispherical, with a thick frontal spine (missing), porous peripherally. Second segment strongly swollen urceolate, its posterior part broadly flattened, with median aperture small, with very short, conical thick appendages, and surface irregularly porous. Length without spines 160 µ, maximum width 135 µ. Length of cephalis 23 µ, diameter of the aperture (oblong?) 23 µ. Length of appendage 31 µ. Approx. 2 pores in 23 µ. (Translated from Latin by E.M.R. and W.R.R.)]
Similar species
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:
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Lychnocanoma turgidum compiled by the radiolaria@mikrotax project team viewed: 22-7-2026
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