radiolaria - rads_cenozoic - Heliodiscus echiniscus radiolaria - rads_cenozoic - Heliodiscus echiniscus

Heliodiscus echiniscus

Classification: rads_cenozoic -> Heliodiscidae -> Heliodiscus -> Heliodiscus echiniscus
Sister taxa: H. asteriscus, H. echiniscus, H. hexasteriscus, H. tunicatus, H. sp.


Citation: Heliodiscus echiniscus Haeckel 1887
Rank: species
Basionym: Heliodiscus echiniscus

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]


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:



Heliodiscus echiniscus compiled by the radiolaria@mikrotax project team viewed: 26-3-2023

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AphiaID: 413060 Nomenclatural data on WoRMS
Short stables page link: Go to to create a permanent copy of this page - citation notes

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