Lophophaena clevei

Taxonomy

Catalog entries: Lophophaena clevei

Original description: Lophophaena which is very close to the Paleogene representatives of the genus (fig. 56, XIII). The lateral lobes are clearly expressed as "neck" inflations. The lower part of the II segment is cylindrical. The ratio of the widths of segments I and II equals 1:1.3. The rounded, densely spaced pores on both segments are of an equal size. Their diameter does not exceed more than 1.5-3 times the width of the septa between them. Spines D, Lr and Ll yield considerably long terminal feet, whereas the secondary apophyses of the margin of the shell (radial appendages) are not expressed. There are no long filarnentous spines on the I segment, but merely short spines instead, which are specifically developed in the area of the "neck". These short spines can merge with the apophyses and form an outer net which envelopes the "neck". (In Russian. Translation via W.R. Riedel)
Remarks on original description: Bipolar: Nowegian Sea, Arctic and Antarctic.

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:

• Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
• Triangles indicate an event for which a precise placement has been suggested.
• Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
• Taxon plotted: Lophophaena clevei, synonyms included - Lophocyrtis clevei; Lophophaena clevei;
• See also space-time plot :: Samples map :: Parent: Lophophaena

Lophophaena clevei compiled by the radiolaria@mikrotax project team viewed: 15-7-2026 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/radiolaria/index.php?id=204606 Go to Archive.is to create a permanent copy of this page - citation notes

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