radiolaria - rads_cenozoic - Spongoplegma radiolaria - rads_cenozoic - Spongoplegma

Spongoplegma


Classification: rads_cenozoic -> Actinommidae -> Actinommidae inc sed -> Spongoplegma
Sister taxa: << < Drymyomma, Elatomma, Ellipsoxiphium, Gonosphaera, Heliaster, Heliosestilla, Hexacromyum, Hexalonche, Leptosphaera, Lychnosphaera, Pentactinosphaera, Rhizoplegma, Rhizosphaera, Sphaeropyle, Spongodictyon, Spongoplegma, Stauroxiphos, Stigmosphaera, Thecosphaerella, Xiphatractus
Daughter taxa (time control age-window is: 0-800Ma)
Spongoplegma rugosa

neptune records:
Spongoplegma variabile

neptune records:
Spongoplegma sp.

neptune records: 114

Taxonomy

Citation: Spongoplegma Haeckel 1881
Taxonomic rank: genus
Basionym: Spongoplegma
Taxonomic discussion:

Catalog entries: Spongoplegma

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.
AI. testa medullari simplici.

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.
AI. With single medullary shell. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: [Synonymized with Rhizosphaera Haeckel, emend Hollande and Enjumet by Petrushevskaya, 1975c, p.571]

Description

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 Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:

References:

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


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Spongoplegma compiled by the radiolaria@mikrotax project team viewed: 22-5-2025

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Short stable page link: https://mikrotax.org/bforams/index.php?id=205518 Go to Archive.is to create a permanent copy of this page - citation notes



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