Lychnocanoma pileus

Taxonomy

Catalog entries: Lychnocanoma pileus

Original description: Shell large, thick-walled, of two segments; cephalis subspherical with numerous small pores, bearing a fairly stout conical rod-like apical horn. Collar stricture distinct externally, with three large and two small collar pores internally, and cephalis with stout septal ring slightly hanging down into thorax. Cephalic structure has A, MB, two L, two l and D; two l extend obliquely upward at a high angle laterally. Thorax campanulate with smooth surface and with numerous small polygonal pores, with three slightly developed ribs on the thorax and upper part of feet. Three feet, elongated conical, fairly stout, latticed proximally. The thoracic aperture is triangular.
Remarks on original description: The following species is assigned with great hesitation to this genus because of possessing different cephalic structures than the other species of the genus.

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.
• (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Lychnocanoma

Lychnocanoma pileus 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=204654 Go to Archive.is to create a permanent copy of this page - citation notes

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