Clathrocyclas semeles

Taxonomy

Catalog entries: Clathrocyclas semeles

Original description: Shell conical-campanulate, with two distinct strictures. Length of the three joints = 2: 8: 1, breadth = 2: 8: 10. Cephalis hemispherical, with three divergent, conical horns (the caudal horn, directed downwards, much longer than the occipital and frontal borns). Pores of the thorax large, roundish. Abdomen (as in the two preceding species) with only a single circle of forty to fifty small square pores. Coronal with about the same number of short, triangular, almost horizontally divergent feet.

Length of the three joints, a 0.02, b 0.08, c 0.01; breadth, a 0.02, b 0.08, c 0.1. [dimensions in mm]
Remarks on original description: Haeckel listed Clathrocyclas semeles under the subgeneric name Clathrocycloma, but did not include the subgeneric name in the species name.

Description: "two preceding species" refers to C. alcmenae and C. europa in Haeckel, 1887a.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Neogene Period (2.59-23.03Ma, top in Piacenzian stage). Data source: Lazarus et al. 2015 - "N age group"
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Lazarus et al. 2015 - "N 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: Clathrocyclas

Clathrocyclas semeles compiled by the radiolaria@mikrotax project team viewed: 6-10-2024 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203617 Go to Archive.is to create a permanent copy of this page - citation notes

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