radiolaria - rads_cenozoic - Hexastylus


Classification: rads_cenozoic -> Actinommidae -> Hexastylidae -> Hexastylus
Sister taxa: Hexastylus
Daughter taxa (time control age-window is: 0-800Ma)
Hexastylus dimensivus

neptune records:
Hexastylus triaxonius

neptune records:
Hexastylus sp.

neptune records:


Citation: Hexastylus Haeckel 1881
Rank: genus
Basionym: Hexastylus

Catalog entries: Hexastylus

Original description: 1d. Tribus: Hexastylida. Monosphaeria hexacantha (aculeis sex, in tribus axibus invicem perpendicularibus sitis).
A. sine spinis adventiciis.

Translated description: 1d. Tribe: Hexastylida. Monosphaeria with six spines (the six spines situated in three mutually perpendicular axes
A. Without secondary spines. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: [Campbell, 1951, p.528, says that this type species is not at all like Haeckel description of the genus and he erects a new genus Phyletripes.]




Biogeography and Palaeobiology

Similar species

Geographic distribution


Phylogenetic relations

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): at base of Gelasian Stage (0% up, 2.6Ma, in Piacenzian stage). Data source: Total of range 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


Hexastylus compiled by the radiolaria@mikrotax project team viewed: 3-12-2022

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