Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
![]() | ![]() | ![]() | ![]() | Amphistylus angelinus neptune records: 1299 |
Amphistylus sp. neptune records: 17 |
Catalog entries: Amphistylus
Original description: 3b. Tribus: Amphistylidae. Triosphaeria dissacantha (aculeis duobus oppositis, in uno axi sitis).
B. aculeis ambobus diversis.
Translated description: 3b. Tribe: Amphistylida. Triosphaeria with two spines (the two spines opposite, situated in one axis).
B. With the two spines different. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: [Synonymized with Amphisphaera by Petrushevskaya, 1975c, p.570]
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:
![]() |
Amphistylus compiled by the radiolaria@mikrotax project team viewed: 8-7-2025
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203103 Go to Archive.is to create a permanent copy of this page - citation notes |