radiolaria - rads_cenozoic - Rhizoplegma radiolaria - rads_cenozoic - Rhizoplegma

Rhizoplegma


Classification: rads_cenozoic -> Actinommidae -> Actinommidae inc sed -> Rhizoplegma
Sister taxa: << < Cromyechinus, Cromyomma, Diploplegma, Drymosphaera, 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)
Rhizoplegma boreale

neptune records:
Rhizoplegma densum

neptune records:
Rhizoplegma sp.

neptune records:

Taxonomy

Citation: Rhizoplegma Haeckel 1881
Taxonomic rank: genus
Basionym: Rhizoplegma

Catalog entries: Rhizoplegma

Original description: 6e. Tribus: Rhizosphaerida. Spongosphaeria polyacanthaa, (aculeis multis plerumque sine ordine dispersis).
A. testis medullaribus una vel pluribus.
AI. cortice spongioso per liberum intervallum (radios continens) a testis medullaribus separato.
A. testa medullari simplici.

Translated description: 6e. Tribe: Rhizosphaerida. Spongosphaeria with many spines (the many spines, eight or more, usually scattered without definite arrangement).
A. With one or more medullary shells.
AI. With the spongy cortex separated from the medullary shells by a free interval (with connecting radii).
A. With single medullary shell. (Translated from Latin by E.M.R. and W.R.R.)]

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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Rhizoplegma compiled by the radiolaria@mikrotax project team viewed: 25-4-2025

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Short stable page link: https://mikrotax.org/bforams/index.php?id=205282 Go to Archive.is to create a permanent copy of this page - citation notes



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