Clathrocyclas alcmenae

Taxonomy

Catalog entries: Clathrocyclas alcmenae

Original description: Shell conical, with two indistinct strictures. Length of the three joints = 2: 10: 1, breadth = 2: 12: 14. Cephalis hemispherical, with two divergent, pyramidal horns; frontal horn as long as the cephalis, occipital horn of twice the length. Thorax conical, with large hexagonal meshes, increasing gradually in size towards the short abdomen, which is represented only by a single circular girdle of small, square, ahdominal pores. Coronal of the peristome with twenty to thirty triangular, divergent, nearly horizontal feet, as long as the cephalis.
Remarks on original description: Haeckel listed Clathrocyclas alcmenae under the subgeneric name Clathrocycloma, but did not include the subgeneric name in the species name.
See also Clathrocyclas europae, C. semeles, C. danaes and Eucecryphalus cuvieri in Haeckel, 1887a.[comment from RadWorld database]

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 alcmenae 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=203613 Go to Archive.is to create a permanent copy of this page - citation notes

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