Classification: rads_cenozoic -> Theoperidae -> Theocotylidae -> Theocotylissa
Sister taxa: Calocycloma, Lamptonium, Pterocodon, Theocotyle, Theocotylissa, Thyrsocyrtis,
Daughter taxa: (blue => in age window 0-800Ma)

neptune records: 50

neptune records: 32

neptune records: 364

neptune records: 18

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.


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: 2-6-2020

Taxon Search:
Advanced Search

Short stable page link: Go to to create a permanent copy of this page - citation notes

Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
Captcha Image
Powered by Commentics