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 | |||||
Catalog entries: Stephaniidae [no catalog entry yet]
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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.
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:
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Stephaniidae compiled by the radiolaria@mikrotax project team viewed: 15-7-2026
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 |