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:
Haeckel, E. (1882a). Entwurf eines Radiolarien-Systems auf Grund von Studien der Challenger-Radiolarien [Basis for a radiolarian classification from the study of Radiolaria of the Challenger collection]. Jenaische Zeitschrift für Naturwissenschaft. 15: 418-472. gs O Missing or ambiguous references: ; References:

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Hexacromyum compiled by the radiolaria@mikrotax project team viewed: 18-5-2026
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