Classification: rads_cenozoic -> Actinommidae -> Stylosphaeridae -> Amphistylus
Sister taxa: Amphistylus, Entapium, Stylosphaera
Daughter taxa: (blue => in age window 0-800Ma)
Amphistylus angelinus

neptune records: 1299
Amphistylus sp.

neptune records: 17


Citation: Amphistylus Haeckel 1881
Rank: genus
Basionym: Amphistylus

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]


Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at top of Piacenzian Stage (100% up, 2.6Ma, in Piacenzian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Aquitanian Stage (0% up, 23Ma, in Aquitanian stage). Data source: Total of range of species in this database

Plot of occurrence data:


Haeckel, E. (1882). 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


Amphistylus compiled by the radiolaria@mikrotax project team viewed: 22-10-2020

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