radiolaria - rads_cenozoic - Lithochytris triconiscus radiolaria - rads_cenozoic - Lithochytris triconiscus

Lithochytris triconiscus


Classification: rads_cenozoic -> Theoperidae -> Lychnocaniidae -> Lithochytris -> Lithochytris triconiscus
Sister taxa: L. archaea, L. triconiscus, L. ventricosa, L. vespertilio, L. sp.

Taxonomy

Citation: Lithochytris triconiscus (Haeckel) Petrushevskaya 1981
Taxonomic rank: species
Basionym: Sethochytris triconiscus Haeckel 1887
Synonyms:

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

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

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:

References:


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Lithochytris triconiscus compiled by the radiolaria@mikrotax project team viewed: 22-7-2026

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