radiolaria - rads_cenozoic - Perichlamydium


Classification: rads_cenozoic -> Spongodiscidae -> Euchitoniidae -> Perichlamydium
Sister taxa: Amphicraspedum, Dictyocoryne, Myelastrum, Perichlamydium, Rhopalastrum, Spongaster, Tessarastrum
Daughter taxa (time control age-window is: 0-800Ma)
Perichlamydium limbatum

neptune records: 2
Perichlamydium praetextum

neptune records: 5
Perichlamydium sp.

neptune records: 8


Citation: Perichlamydium Ehrenberg 1847
Rank: genus
Basionym: Perichlamydium

Catalog entries: Perichlamydium

Original description: Testae enucleatae e cellulis binis (longiludinaliter constrictae) aut e cellulis appositis multis coalitae.

Testarum cellulae concentricae aut spirales, lenues plurimae, passim ordine nullo spongiosae testae orbiculares non radiatae (Flustrae instar) disco limbato.

Translated description: Test enucleate, with two chambers (longitudinally constriced), or formed of many chambers grown together (spread in a plane or rounded and subglobose). Chambers of test concentric or spiral, mostly delicate, spongy and irregular. Test circular, not radiate. Disc with arms. (Translated from Latin by E.M.R. and W.R.R.)]




Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at top of Piacenzian Stage (100% up, 2.6Ma, in Piacenzian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Aquitanian Stage (0% up, 23Ma, in Aquitanian stage). Data source: Total of range of species in this database

Plot of occurrence data:


Ehrenberg, C. G. (1847). Uber die mikroskopischen kieselschaligen Polycystinen als machtige Gebirgsmasse von Barbados und uber das Verhaltniss der aus mehr als 300 neuen Arten bestehenden ganz eigenthumlichen Formengruppe jener Felsmasse zu den jetzt lebenden Tieren und zur. Bericht uber die zu Bekanntmachung geeigneten Verhandlungen der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1847: 41-60. gs


Perichlamydium compiled by the radiolaria@mikrotax project team viewed: 6-7-2022

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