radiolaria - rads_cenozoic - Heliodiscidae radiolaria - rads_cenozoic - Heliodiscidae


Classification: rads_cenozoic -> Heliodiscidae
Sister taxa: Actinommidae, Coccodiscidae, Heliodiscidae, Litheliidae, Orosphaeridae, Pyloniidae, Spongodiscidae, Streblonidae, Tholoniidae ⟩⟨ Amphipyndacidae, Archaeodictyomitridae, Artostrobiidae, Cannobotryidae, Carpocaniidae, Plagiacanthidae, Pterocorythidae, Theoperidae, Trissocyclidae ⟩⟨ Collosphaeridae, Sphaerozoidae ⟩⟨ incertae sedis, hidden
Daughter taxa (time control age-window is: 0-800Ma)Granddaughter taxa

neptune records: 15
Astrophacus inca
Astrophacus linckiaformis
Astrophacus sp.


neptune records: 93
Excentrococcus annulatus
Excentrococcus sp.


neptune records: 3
Excentrosphaerella sphaeroconcha
Excentrosphaerella sp.


neptune records: 299
Heliodiscus asteriscus
Heliodiscus echiniscus
Heliodiscus hexasteriscus
Heliodiscus tunicatus
Heliodiscus sp.


Citation: Heliodiscidae
Rank: family
Basionym: Heliodiscidae

Catalog entries: Heliodiscidae [no catalog entry yet]


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:



Heliodiscidae compiled by the radiolaria@mikrotax project team viewed: 21-3-2023

Taxon Search:
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AphiaID: 493498 Nomenclatural data on WoRMS
Short stable page link: Go to to create a permanent copy of this page - citation notes

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