radiolaria - rads_cenozoic - Stephaniidae radiolaria - rads_cenozoic - Stephaniidae

Stephaniidae


Classification: rads_cenozoic -> Trissocyclidae -> Stephaniidae
Sister taxa: Acanthodesmiidae, Stephaniidae, Triospyrididae, Trissocyclidae inc sed
Daughter taxa (time control age-window is: 0-800Ma)Granddaughter taxa
Neosemantis

neptune records:
Neosemantis bjoerklundi
Neosemantis cladophora
Neosemantis distephanus
Neosemantis hofferti
Neosemantis sp.

Zygocircus

neptune records: 255
Zygocircus buetschli
Zygocircus cimelium
Zygocircus piscicaudatus
Zygocircus productus
Zygocircus sp.

Taxonomy

Taxonomic rank: family (new classif)

Catalog entries: Stephaniidae [no catalog entry yet]

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Description


Published descriptions


Dumitrica in De Wever et al. 2001 - 

[trissocyclids] whose skeleton consists solely of the sagittal ring. Spines L,D and l more or less developed. 

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:


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Stephaniidae compiled by the radiolaria@mikrotax project team viewed: 15-7-2026

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=206148 Go to Archive.is to create a permanent copy of this page - citation notes



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