radiolaria - rads_cenozoic - Theocyrtis radiolaria - rads_cenozoic - Theocyrtis


Classification: rads_cenozoic -> Pterocorythidae -> Theocyrtis
Sister taxa: Albatrossidium, Anthocyrtidium, Calocycletta, Lamprocyclas, Lamprocyrtis, Phormocyrtis, Podocyrtis, Pterocorys, Pterocorythidae inc sed, Tetracorethra, Theocorythium, Theocyrtis
Daughter taxa (time control age-window is: 0-800Ma)
Theocyrtis annosa

neptune records: 593
Theocyrtis careotuberosa

neptune records: 561
Theocyrtis diabloensis

neptune records: 8
Theocyrtis litos

neptune records: 3
Theocyrtis perpumila

neptune records: 318
Theocyrtis perysinos

neptune records: 84
Theocyrtis robusta

neptune records: 3
Theocyrtis setanios

neptune records: 100
Theocyrtis tuberosa

neptune records: 195
Theocyrtis sp.

neptune records: 631


Citation: Theocyrtis Haeckel 1887
taxonomic rank: genus
Basionym: Theocyrtis

Catalog entries: Theocyrtis

Original description: Theocorida (vel Tricyrtida eradiata aperta) with cylindrical abdomen, and wide open truncate mouth. Cephalis with a single horn.


Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at top of Neogene Period (100% up, 2.6Ma, in Piacenzian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:


Haeckel, E (1887). Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873-1876. 18: 1-1803. gs O


Theocyrtis compiled by the radiolaria@mikrotax project team viewed: 24-6-2024

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