Lithocampana lithoconella

Taxonomy

Catalog entries: Lithocampana lithoconella

Original description: Shell bell-shaped with wide, conical or campanulate thorax; apical horn fairly short, about 0.2 total length, generally spear- or spikelike, conical, circular in cross section, with sharp tip; cephalis subhemispherical with its base very much wider than its altitude, separated from the thorax mainly by slight change in contour, practically no stricture, only 0.5 as long as the horn; thorax elongate-truncate conical (approximately 35°), with apical truncation, sides somewhat different, a little convex, tending to become semicylindrical in the apertural 0.25; apertural margin irregular, not toothed; cephalis hyaline or at the most with a few, scattered, tiny pores; thorax with over a hundred, fairly uniform, scattered, elongate-ovate, minutely double-contoured, well-spaced pores; framework not especially dense; wall thin, thinnest in lower thorax.

Length of shell, 98.0µm; of horn, 21.0µm; of cephalis, 12.2µm; breadth of base of cephalis, 21.0µm; of aperture, 40.8µm; diameter of pores, about 8.8µm, or less.

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:

• 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: Lithocampana lithoconella, synonyms included - Lithocampana lithoconella;
• See also space-time plot :: Samples map :: Parent: Lithocampana

Lithocampana lithoconella compiled by the radiolaria@mikrotax project team viewed: 22-7-2026 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/radiolaria/index.php?id=204483 Go to Archive.is to create a permanent copy of this page - citation notes

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