rad_org Lophocyrtis biaurita img1148.jpg
rad_org Lophocyrtis biaurita img1148.jpg
1873 Eucyrtidium biauritum - Ehrenberg p. 226
1875 Eucyrtidium biauritum - Ehrenberg p. 70, pl. 10, fig. 8, 9
1887 Lophocyrtis biaurita - Haeckel p. 1411
1970 Lophocyrtis biaurita - Cita et al. p. 404, pl. 2, fig. 1-K
1973 Lophocyrtis biaurita - Foreman p. 442, pl. 8, figs. 23-26
1975 Lophocyrtis biaurita - Chen pl. 3, fig. 2
From Suzuki Paleotax db:
1874 Eucyrtidium biauritum n. sp. Ehrenberg p. 226
1876 Eucyrtidium biauritum Ehrenberg Ehrenberg p. 70-71, pl. 10, figs. 7, 8
1882 Eucyrtidium biauritum Ehrenberg Bütschli pl. 33, fig. 38
1887 Lophocyrtis biaurita (Ehrenberg) Haeckel p. 1411
1970 Lophocyrtis biaurita (Ehrenberg) Cita et al. p. 404, pl. 2, fig. i, j, k
1973 Lophocyrtis biaurita (Ehrenberg) Foreman p. 442, pl. 8, figs. 23-26
1974 Lophocyrtis biaurita (Ehrenberg) Johnson p. 552, pl. 2, figs. 1, 2
1974 Lophocyrtis biaurita (Ehrenberg) Nigrini p. 1070, pl. 1m, figs. 11-13
1975 Eucyrtidium (?) biauritum Ehrenberg Petrushevskaya pl. 42, fig. 3
1975 Lophocyrtis biaurita (Ehrenberg) Chen p. 461, pl. 3, fig. 2
1976 Lophocorys biaurita (Ehrenberg) [sic] Bjørklund pl. 21, figs. 16, 17
1977 Lophocyrtis biaurita (Ehrenberg) Riedel & Sanfilippo pl. 8, fig. 9
1978 Eucyrtidium (?) biauritum Ehrenberg Dzinoridze et al. pl. 32, fig. 8
1978 Lophocyrtis biaurita (Ehrenberg) Riedel & Sanfilippo p. 70, pl. 6, fig. 13
1979 Artobotrys aff. biauritum (Ehrenberg) Kozlova & Petrushevskaya fig. 396
1979 Lophocyrtis biaurita (Ehrneberg) group Maurrasse pl. 1, figs. 12, 13
1992 Lophocyrtis biaurita (Ehrenberg) Takemura p. 747, pl. 7, fig. 8
2009 Eucyrtidium biauritum Ehrenberg [Ehrenberg collection] Ogane et al. pl. 18, fig. 8a-d, pl. 20, fig. 1a-c, 2a-b, 6
Catalog entries: Eucyrtidium biauritum
x: E. biauritumOriginal description: (23-articul.), capitulo parum discreto, aculeis crassis lateralibus duobus armato laevi aut basi subacuto. Art II ovato-oblongus poris raris parvis perforatus. Art III angustior cylindricus truncatus imperforatus. Ne pro Lithopera habeatur.
Translated description: [2 - 3-segmented, the cephalis not markedly distinct, armed with 2 thick; lateral spines, the cephalis smooth or subacute at the base. Second segment ovate-oblong, perforated by sparse, small pores. Third segment narrower, cylindrical, truncate, imperforate. It should not be regarded as a Lithopera. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: [New name Lophocyrtis biaurita (Ehrenberg) Haeckel, 1887a]
Haeckel 1887 - Eucyrtidium biauritum Shell smooth, with two distinct strictures. Length of the three joints= 1:6:3, breadth= 2:5:4. Cephalis small, hemispherical, hyaline, with two large, divergent, curved horns of three times the length. Thorax ovate, with few small, widely scattered pores. Abdomen cylindrical, without pores. Dimensions: Length of the three joints, a 0.015, b 0.06, c 0.03; breadth, a 0.02, b 0.05, c 0.04.
Published descriptions
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 Haeckel, E (1887). Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873-1876. 18: 1-1803. gs O Petrushevskaya, M. G. & Kozlova, G. E. (1979). Opisanie rodov i vidov radiolyariy [Description of the radiolarian genera and species.]. In, Sterlkov, A. A. & Petrushevskaya, M. G. (eds) Istoriya mikroplanktona Norvezhskogo Morya [The history of the microplankton of the Norwegian Sea (based on Deep Sea Drilling materials)]. Issledovanie Faunyi Morey (Akademii Nauk SSSR) Leningrad . 23(31): 86-157. gs O Missing or ambiguous references: Chen 1975; Ehrenberg 1873; Ehrenberg 1875; Foreman 1973; References:
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Artobotrys biaurita compiled by the radiolaria@mikrotax project team viewed: 23-1-2025
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