radiolaria - rads_cenozoic - Plegmosphaera radiolaria - rads_cenozoic - Plegmosphaera


Classification: rads_cenozoic -> Actinommidae -> Spongosphaeridae -> Plegmosphaera
Sister taxa: Plegmosphaera, Spongodrymus, Spongosphaera, Styptosphaera
Daughter taxa (time control age-window is: 0-800Ma)
Plegmosphaera coelopila

neptune records:
Plegmosphaera entodictyon

neptune records:
Plegmosphaera exodictyon

neptune records:
Plegmosphaera lepticali

neptune records:
Plegmosphaera oblonga

neptune records:
Plegmosphaera pachypila

neptune records:
Plegmosphaera pachyplegma

neptune records:
Plegmosphaera sp.

neptune records:


Citation: Plegmosphaera Haeckel 1881
taxonomic rank: genus
Basionym: Plegmosphaera

Catalog entries: Plegmosphaera

Original description: 6a. Tribus: Plegmosphaerida. Spongosphaeria ancantha, testae globosis spongiosae superficie externa laevi aut asperta sed non aculeata
A. testis medullaribus (testis globosis clathratis centralibus) in centro globi spongiosi aut una aut pluribus.
B. globo spongioso sine testis medullaribus.
BI. globo cavo centrali.

Translated description: 6a. Tribe: Plegmosphaerida. Spongosphaeria without spines, with the external surface of the spongy spherical test smooth or rough, but without spines.
A. With one or more medullary tests (latticed, spherical, central tests) in the center of the spongy sphere.
B. Spongy sphere without medullary shells.
BI. The sphere hollow in the middle. (Translated from Latin by E.M.R. and W.R.R.)]


Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:


Haeckel, E. (1882a). Entwurf eines Radiolarien-Systems auf Grund von Studien der Challenger-Radiolarien [Basis for a radiolarian classification from the study of Radiolaria of the Challenger collection]. Jenaische Zeitschrift für Naturwissenschaft. 15: 418-472. gs O


Plegmosphaera compiled by the radiolaria@mikrotax project team viewed: 24-5-2024

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