Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
| Semantis gracilis neptune records: | ||||
| Semantis sp. neptune records: | ||||
Catalog entries: Semantis
Original description: Semantida with two basal pores (or jugular pores), without typical basal feet.
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
![]() |
Semantis compiled by the radiolaria@mikrotax project team viewed: 11-8-2026
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205346 Go to Archive.is to create a permanent copy of this page - citation notes |