Classification: rads_cenozoic -> Heliodiscidae -> Heliodiscus
Sister taxa: Astrophacus, Excentrococcus, Excentrosphaerella, Heliodiscus,
Daughter taxa: (blue => in age window 0-800Ma)

neptune records: 135

neptune records: 125

neptune records:

neptune records:

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

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


Heliodiscus compiled by the radiolaria@mikrotax project team viewed: 20-9-2020

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Short stable page link: http://mikrotax.org/radiolaria/index.php?id=204250 Go to Archive.is to create a permanent copy of this page - citation notes

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