Daughter taxa (time control age-window is: 0-800Ma) | ||||
Astrophacus inca neptune records: 8 | ||||
Astrophacus linckiaformis neptune records: 6 | ||||
Astrophacus sp. neptune records: 1 |
Catalog entries: Astrophacus
Original description: 1b. Tribus: Heliodiscida. Phacodiscida aculeata cum aculeis marginalibus in plano lentis
aequatoriali sitis.
D. aculeis multis marginalibus (quinque aut pluribus, plerumque sine ordine in zona aequatoriali radiantibus).
DII. testa med. duplici (aculeis omnibus simplicibus).
IIb. testae superficie spinosa.
Translated description: 1b. Tribe: Heliodiscida. Spined Phacodiscida, with marginal spines situated in the equatorial plane of the lens.
D. With many marginal spines (five or more, usually radiating in the equatorial zone without definite arrangement).
DII. With double medullary shell (all spines simple).
IIb. With the surface of the test spiny. (Translated from Latin by E.M.R. and W.R.R.)]
Geological Range:
Last occurrence (top): at top of Paleogene Period (100% up, 23Ma, in Aquitanian stage). 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:
Astrophacus compiled by the radiolaria@mikrotax project team viewed: 6-10-2024
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203276 Go to Archive.is to create a permanent copy of this page - citation notes |