radiolaria - rads_cenozoic - Artobotrys biaurita

Artobotrys biaurita

Classification: rads_cenozoic -> Artostrobiidae -> Artobotrys -> Artobotrys biaurita
Sister taxa: A. auriculaleporis, A. biaurita, A. borealis, A. sp.


Citation: Artobotrys biaurita (Ehrenberg 1873)
Rank: species
Basionym: Eucyrtidium biaurita Petrushevskaya and Kozlova 1979
Taxonomic discussion: (Ehrenberg) 1873 p.226; 1875 p.70 pl.10 figs.7&8 as Eucyrtidium; Petrushevskaya and Kozlova 1979 p.136

Catalog entries: Eucyrtidium biauritum

Original 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.)]

Length without spines 80µm, of the spines 35µm, of the cephalis 11µm, of second segment 47µm, of third segment 23µm.
Remarks on original description: [New name Lophocyrtis biaurita (Ehrenberg) Haeckel, 1887a]




Biogeography and Palaeobiology

Similar species

Geographic distribution


Phylogenetic relations

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:


Ehrenberg, C. G. (1873a). Grössere Felsproben des Polycystinen-Mergels von Barbados mit weiteren Erläuterungen. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1873: 213-263. gs

Ehrenberg, C. G. (1876). Forsetzung der Mikrogeologischen Studien als Gesammt Ubersicht der mikroskopischen Palaontologie gleichartig analysierter Gebiegsarten der Erde, mit specieller Rucksicht aus den Polycystinen Mergel von Barbados. Abhandlungen der Koniglichen Akademie der Wissenschaften zu Berlin. 1875: 1-226. gs

Petrushevskaya, M. G. & Kozlova, G. E. (1979). Opisanie rodov i vidov radiolyariy. In Istoriya mikroplanktona Norvezhskogo Morya. Issledovanie Faunyi Morey (Akademii Nauk SSSR) Leningrad. 23(31): 86-157. gs


Artobotrys biaurita compiled by the radiolaria@mikrotax project team viewed: 27-11-2022

Taxon Search:
Advanced Search

Short stable page link: Go to to create a permanent copy of this page - citation notes

Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
Captcha Image
Powered by Commentics