Heliodiscus echiniscus

Taxonomy

Catalog entries: Heliodiscus echiniscus

Original description: Disk with spiny surface, three times as broad as the medullary shell. Pores irregular, roundish ,or polygonal; eight to ten on the radius. Marginal spines thirty to fifty, pyramidal, angular, of very variable size, number, and disposition, gradually passing into the surface-spines; the largest nearly as long as the diameter of the medullary shell.
Remarks on original description: Haeckel listed Heliodiscus echiniscus under the subgeneric name Heliodiscilla, but did not include the subgeneric name in the species name.[comment from RadWorld database]

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: Heliodiscus echiniscus, synonyms included - Heliodiscus echiniscus;
• See also space-time plot :: Samples map :: Parent: Heliodiscus

Heliodiscus echiniscus compiled by the radiolaria@mikrotax project team viewed: 26-3-2023 Taxon Search: Advanced Search AphiaID: 413060 Nomenclatural data on WoRMS Short stables page link: https://mikrotax.org/radiolaria/index.php?id=204252 Go to Archive.is to create a permanent copy of this page - citation notes

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