radiolaria - rads_cat - Archidiscus radiolaria - rads_cat - Archidiscus


This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.

Higher levels: rads_cat -> A -> Archidiscus
Other pages this level: << < Apoplanius, Arachnocalpis, Arachnocorallium, Arachnocorys, Arachnopegma, Arachnopila, Arachnosphaera, Arachnospongus, Arachnostylus, Arachnothauma, Arachuothauma, Archibursa, Archicapsa, Archicircus, Archicorys, Archidiscus, Archilophus, Archipera, Archiperidium, Archiphaena, Archiphatna, Archiphormis, Archipilium, Archiscenium, Ariadnella, Artiscus, Artobotrys, Artocapsa, Artocarpium, Artocorys, Artopera> >>

not figuredArchidiscus dioniscus Haeckel 1887

not figuredArchidiscus dithalamus Haeckel 1887

not figuredArchidiscus hexathalamus Haeckel 1887

Archidiscus hexoniscus Haeckel 1887

not figuredArchidiscus octoniscus Haeckel 1887

not figuredArchidiscus pentoniscus Haeckel 1887

not figuredArchidiscus polythalamus Haeckel 1887

Archidiscus pyloniscus Haeckel 1887

Archidiscus stauroniscus Haeckel 1887

not figuredArchidiscus tetrathalamus Haeckel 1887

not figuredArchidiscus tetroniscus Haeckel 1887

not figuredArchidiscus trioniscus Haeckel 1887

not figuredArchidiscus trithalamus Haeckel 1887


Citation: Archidiscus Haeckel 1887
taxonomic rank: genus
Type species: Archidiscus dioniscus Haeckel 1887 [designated by Campbell,1954, p.D88]
Described on page(s) : 486
Family (traditional): not-known

Current identification:

Original Description

Porodiscida with a simple central chamber, surrounded by a single concentric ring, which is divided by radial beams into two to six or more radial chambers, without radial spines on the margin.

Greek archidiscus = primordial disk"

Extra details from original publication
The genus Archidiscus begins the long and polymorphous series of the Cyclodiscaria or of those Discoidea which do not possess the peculiar “phacoid shell"" characteristic of the three preceding families, united as ""Phacodiscaria”. As already mentioned above, both these groups are probably of independent origin, derived from the Sphaeroidea in different ways (compare pp. 402, 405, &c.). Among all Cyclodiscaria Archidiscus is the most simple, and probably the common ancestral form, from which the other genera may be derived.

The text on p.402, 405 etc. deals with the suborder Discoidea and is not included herein.
Sub-genera described:


Haeckel, E (1887). Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873-1876. 18: 1-1803. gs O


Archidiscus compiled by the radiolaria@mikrotax project team viewed: 13-6-2024

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