radiolaria - rads_cenozoic - Pterocanium praetextum radiolaria - rads_cenozoic - Pterocanium praetextum

Pterocanium praetextum


Classification: rads_cenozoic -> Theoperidae -> Lychnocaniidae -> Pterocanium -> Pterocanium praetextum
Sister taxa: P. audax, P. auritum, P. contiguum, P. gigas, P. grandiporus, P. korotnevi, P. orcinum, P. praetextum, P. prismatium, P. procerum, P. satelles, P. trilobum, P. sp.
Sub-taxa & variants (time control age-window is: 0-800Ma)
Pterocanium praetextum eucolpum

neptune records: 26
Pterocanium praetextum praetextum

neptune records:

Taxonomy

Citation: Pterocanium praetextum (Ehrenberg) Haeckel 1887
Taxonomic rank: species
Basionym: Lychnocanium praetextum
Taxonomic discussion: (Ehrenberg) 1872a p 316; 1872b pl 10 fig 2; as Lychnocanium; Haeckel 1887 p 1330-1331; Riedel 1957 p 86-87 pl 3 figs 1-3

Catalog entries: Lychnocanium praetextum


Translated description: [Cephalis globose, surmounted by a long, strong spine; second segment swollen, campanulate, with 3 slight rigs, contracted at each end, prolonged into 3 strong spines which are bordered proximally. Pores distinct and subqunincuncial, approximately 6 in 24 µ. Diameter of cephalis 14 µ, length of the second segment 37 µ, each small foot 60 µ. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: Premature name in Ehrenberg, 1861b [778:table opposite p.240]
\Monatsbericht 1859, p.353 [553]\" refers to Ehrenberg, 1859, p.553, an article presented by title only."[comment from RadWorld database]

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Lazarus et al. 2015 - "R age group"
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: Lazarus et al. 2015 - "R age group"

Plot of occurrence data:

References:

Ehrenberg, C. G. (1873b). Mikrogeologische Studien als Zusammenfassung seiner Beobachtungen des kleinsten Lebens der Meeres-Tiefgründe aller Zonen und dessen geologischen Einfluss. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1872: 265-322. 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

Riedel, W. R. (1957b). Radiolaria: a preliminary stratigraphy. Reports of the Swedish Deep-Sea Expedition, 1947-1948. 6(3): 59-96. gs


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Pterocanium praetextum compiled by the radiolaria@mikrotax project team viewed: 22-7-2026

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