radiolaria - rads_cenozoic - Cromyechinus radiolaria - rads_cenozoic - Cromyechinus

Cromyechinus


Classification: rads_cenozoic -> Actinommidae -> Actinommidae inc sed -> Cromyechinus
Sister taxa: Actinosphaera, Anomalacantha, Astrosphaera, Centrolonche, Conoactinomma, Cromyatractus, Cromydruppocarpus, Cromyechinus, Cromyomma, Diploplegma, Drymosphaera, Drymyomma, Elatomma, Ellipsoxiphium, Gonosphaera, Heliaster, Heliosestilla, Hexacromyum, Hexalonche, Leptosphaera, Lychnosphaera, Pentactinosphaera, Rhizoplegma> >>
Daughter taxa (time control age-window is: 0-800Ma)
Cromyechinus icosacanthus

neptune records:
Cromyechinus pycnopora

neptune records: 11
Cromyechinus sp.

neptune records:

Taxonomy

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

Catalog entries: Cromyechinus

Original description: 4e. Tribus: Cromyommida. Tetrasphaeria polyacantha (aculeis multis -- octo aut pluribus --, plerumque sine ordine dispersis).
A. aculeis simplicibus.
AII. spinis accessoriis inter aculeos.

Translated description: 4e. Tribe: Cromyommida. Tetrasphaeria with many spines (spines many, eight or more, usually scattered without definite arrangement).
A. With the spines simple.
AII. With secondary spines between the main spines. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: [Synonymized with Actinomma Haeckel, by Petrushevskaya, 1975c, p.568]

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 Paleogene Period (23.03-66.04Ma, base in Danian 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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Cromyechinus 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=203713 Go to Archive.is to create a permanent copy of this page - citation notes



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