Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | ||||
| Hexacontium arachnoidale neptune records: | |||||
| Hexacontium aristarchi neptune records: | |||||
| Hexacontium armatum neptune records: | |||||
| Hexacontium axotrias neptune records: | |||||
| Hexacontium enthacanthum neptune records: | |||||
| Hexacontium gigantheum neptune records: | |||||
| Hexacontium heracliti neptune records: | |||||
| Hexacontium hexactis neptune records: | |||||
| Hexacontium hootsi neptune records: 17 | |||||
| Hexacontium hystricina neptune records: | |||||
| Hexacontium laevigatum neptune records: 15 | |||||
| Hexacontium melpomene neptune records: | |||||
| Hexacontium pachydermum neptune records: 67 | |||||
| Hexacontium palaeocenicum neptune records: 19 | |||||
| Hexacontium sp. neptune records: 121 | |||||
Catalog entries: Hexacontium
Original description: 3d. Tribus: Hexacontida. Triosphaeria hexacantha (aculeis sex in tribus axibus invicem perpendicularibus sitis)
A. sine spinis adventiciis.
Translated description: 3d. Tribe: Hexacontida. Triosphaeria with six spines (with the six spines situated in three mutually perpendicular axes).
A. Without secondary spines. (Translated from Latin by E.M.R. and W.R.R.)]
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:
![]() |
Hexacontium compiled by the radiolaria@mikrotax project team viewed: 19-5-2026
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=204277 Go to Archive.is to create a permanent copy of this page - citation notes |