Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
![]() | ![]() | ![]() | ![]() | Pentactinosphaera hokurikuensis neptune records: |
Pentactinosphaera sp. neptune records: |
Catalog entries: Pentactinosphaera
Original description: Entirely globular, thick-walled shell with the pentactine spicule at the apical end and a spine at the antapical one, these hexactine spicule inserted in the latticed shell. The structure of the spicule shows text-figure 1.
Remarks on original description: [Nomen nudum ? in Nakaseko, Nagata and Nishimura, 1982, p. 70] [Junior synonym of NANINA]
Geological Range:
Last occurrence (top): at top of Neogene Period (100% up, 2.6Ma, in Piacenzian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
![]() |
Pentactinosphaera compiled by the radiolaria@mikrotax project team viewed: 16-5-2025
Short stable page link: https://mikrotax.org/bforams/index.php?id=204887 Go to Archive.is to create a permanent copy of this page - citation notes |