Daughter taxa (time control age-window is: 0-800Ma) | Granddaughter taxa | ||||
 |  |  |  | Enneaphormis neptune records: | |
 |  |  |  | Genetrix neptune records: | |
 |  |  | Sethophormis neptune records: | ||
 |  |  |  | Tetraphormis neptune records: | |
 |  |  |  | Velicucullus neptune records: 268 | Velicucullus altus Velicucullus magnificum Velicucullus oddgurneri Velicucullus palaeocenica Velicucullus sp. |
Catalog entries: Sethophormidae [no catalog entry yet]
Distinguishing features:
Parent taxon (Plagiacanthidae):
This taxon: Wide conical or nearly flat 2 segmented forms with relatively large but inconspicuous highly flattened cephalis.
De Wever etal. 2001: Usually wide conical to flat dicyrtid nassellarians with relatively large cephalis, sometimes reduced to some arches. Basal structure with MB, a shart A, and well developed D and L spines, and arches AD and AL. Spines V and l missing.
Morphology:
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:
 |
Sethophormididae compiled by the radiolaria@mikrotax project team viewed: 17-1-2025
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=206154 Go to Archive.is to create a permanent copy of this page - citation notes |
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