radiolaria - rads_cenozoic - Heliodiscus <title>radiolaria - rads_cenozoic - Heliodiscus


Classification: rads_cenozoic -> Heliodiscidae -> Heliodiscus
Sister taxa: Astrophacus, Excentrococcus, Excentrosphaerella, Heliodiscus
Daughter taxa (time control age-window is: 0-800Ma)
Heliodiscus asteriscus

neptune records: 135
Heliodiscus echiniscus

neptune records: 125
Heliodiscus hexasteriscus

neptune records:
Heliodiscus tunicatus

neptune records:
Heliodiscus sp.

neptune records: 39


Citation: Heliodiscus Haeckel 1862
Rank: genus
Basionym: Heliodiscus

Catalog entries: Heliodiscus

Original description: Skelet besteht aus einer biconvex-linsenförmigen extracapsularen Rindenschale, welche von den beiden Polen der stark verkürsten Längsaxe aus zusammenwächste und sich durch radiale, die linsenförmige Centralkapsel durchbohrende Stäbe mit der kugeligen concentrischen intracapsularen Markschalen verbinden.

Translated description: An extra capsular, biconvex, lenticular, cortical shell linked to a spherical, concentric, intra capsular medullary shell by radial beams issued from both poles of its strongly shortened long axis and perforating a lenticular central capsule. (In German. Translated by J.P.C.)]




Biogeography and Palaeobiology

Similar species

Geographic distribution


Phylogenetic relations

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): at base of Danian Stage (0% up, 66Ma, in Danian stage). Data source: Total of range of species in this database

Plot of occurrence data:


Haeckel, E (1862). Die Radiolarien (Rhizopoda Radiaria). Eine Monographie. Georg Reimer, Berlin. 1-572. gs O


Heliodiscus compiled by the radiolaria@mikrotax project team viewed: 30-1-2023

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AphiaID: 412927 Nomenclatural data on WoRMS
Short stable page link: Go to to create a permanent copy of this page - citation notes

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