Classification: rads_cenozoic -> Theoperidae -> Theocotylidae -> Theocotylissa
Sister taxa: Calocycloma, Lamptonium, Pterocodon, Theocotyle, Theocotylissa, Thyrsocyrtis
Daughter taxa (time control age-window is: 0-800Ma)
Theocotylissa alpha

neptune records: 50
Theocotylissa auctor

neptune records: 32
Theocotylissa ficus

neptune records: 364
Theocotylissa fimbria

neptune records: 18
Theocotylissa sp.

neptune records: 2


Citation: Theocotylissa Foreman 1973
Rank: genus
Basionym: Theocotylissa

Catalog entries: Theocotylissa

Original description: This subgenus is defined to include the members of the lineage extending from Theocotyle (Theocotylissa) auctor to T. (Theocotylissa) ficus. Their relationship to T. (Theocotylissa (?)) fimbria, if any, is not understood.
Remarks on original description: [Stratigraphic range: Eocene]


Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at top of Chattian Stage (100% up, 23Ma, in Chattian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Danian Stage (0% up, 66Ma, in Danian stage). Data source: Total of range of species in this database

Plot of occurrence data:


Foreman, H. P. (1973a). Radiolaria of Leg 10 with systematics and ranges for the families Amphipyndacidae, Artostrobiidae, and Theoperidae. Initial Reports of the Deep Sea Drilling Project. 10: 407-474. gs


Theocotylissa compiled by the radiolaria@mikrotax project team viewed: 27-1-2021

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