From Suzuki Paleotax db:
1887 Sethochytris triconiscus n. sp. Haeckel p. 1239, pl. 57, fig. 13
1970 Sethochytris triconiscus Haeckel (?) Riedel & Sanfilippo p. 528, pl. 9, fig. 6
1971 Sethochytris triconiscus Haeckel (?) Moore p. 741, pl. 3, fig. 11
1975 Sethochytris triconiscus Haeckel Ling p. 729, pl. 11, figs. 4-6
1977 Sethochytris triconiscus Haeckel Riedel & Sanfilippo pl. 9, fig. 7
1978 Sethochytris triconiscus Haeckel Riedel & Sanfilippo p. 73, pl. 9, fig. 6
1985 Sethochytris triconiscus Haeckel Sanfilippo et al. p. 680-681, figs. 22.1a - 22.1d
1987 Sethochytris triconiscus Haeckel Suyari & Yamasaki pl. 3, fig. 4, pl. 6, fig. 3 (only)
1987 Sethochytris triconiscus Haeckel Suyari & Yamasaki pl. 5, fig. 1
1988 Sethochytris triconiscus Haeckel, 1887 Suyari & Yamasaki pl. 2, fig. 7
2001 Sethochytris triconiscus Haeckel Sanfilippo & Blome p. 217, fig. 11a
Catalog entries: Sethochytris triconiscus
Original description: Shell rough, with deep collar stricture. Length of the two joints = 1: 8, breadth = 1: 3. Cephalis spherical, with an oblique pyramidal horn of the same length. Thorax campanulate, conical; its three basal corners prolonged into three divergent, slender, hollow, fenestrated cones, twice as long as the thorax, and ending in a stout pyramidal spine.
Cephalis 0.04 diameter, thorax 0.12 diameter, length of the feet 0.2. [dimensions in mm]
Remarks on original description: Stratigraphic information for LM21 from Riedel, 1959, p.287
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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Lithochytris triconiscus compiled by the radiolaria@mikrotax project team viewed: 22-7-2026
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