Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
![]() | Hexacromyum elegans neptune records: | |||
![]() | Hexacromyum rara neptune records: 2 | |||
Hexacromyum sp. neptune records: |
Catalog entries: Hexacromyum
Original description: 4d. Tribus: Hexacromyida. Tetrasphaeria hexacantha (aculeis sex in tribus axibus invicem perpendicularibus sitis).
A. testa laevi, sine spinis adventiciis.
Translated description: 4d. Tribe: Hexacromyida. Tetrasphaeria with six spines (with six spines situated in three mutually perpendicular axes).
A. With the test smooth, without secondary spines. (Translated from Latin by E.M.R. and W.R.R.)]
Geological Range:
Last occurrence (top): Extant. 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:
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Hexacromyum compiled by the radiolaria@mikrotax project team viewed: 22-5-2025
Short stable page link: https://mikrotax.org/bforams/index.php?id=204293 Go to Archive.is to create a permanent copy of this page - citation notes |