Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
| Tympanomma binoctonum neptune records: 132 | ||||
| Tympanomma sp. neptune records: | ||||
Catalog entries: Tympanomma
Original description: Shell with sixteen gates (eight median gates, paired on both sides of the sagittal ring, and eight lateral gates, paired on both sides of the frontal ring). The four lateral gates of the two preceding species (subgenus Tympanura) are bisected in Tympanomma by the lateral parts of an incomplete equatorial ring.
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:
![]() |
Tympanomma compiled by the radiolaria@mikrotax project team viewed: 11-10-2026
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205983 Go to Archive.is to create a permanent copy of this page - citation notes |