radiolaria - rads_cenozoic - Theocotylidae radiolaria - rads_cenozoic - Theocotylidae


Classification: rads_cenozoic -> Theoperidae -> Theocotylidae
Sister taxa: Acropyramiidae, Anthocyrtidae, Anthocyrtis, Bekomidae, Cycladophoridae, Eucyrtidiidae, Lophocyrtiidae, Lychnocaniidae, Pterosyringium, Stichopiliidae, Theocotylidae, Theoperidae (ss), Theoperidae inc sed
Daughter taxa (time control age-window is: 0-800Ma)Granddaughter taxa

neptune records: 389
Calocycloma ampulla
Calocycloma castum
Calocycloma sp.


neptune records: 597
Lamptonium colymbus
Lamptonium fabaeforme
Lamptonium incohatum
Lamptonium obelix
Lamptonium pennatum
Lamptonium sanfilippoae
Lamptonium sp.


neptune records: 237
Pterocodon ampla
Pterocodon anteclinata
Pterocodon apis
Pterocodon campana
Pterocodon campanella
Pterocodon lex
Pterocodon poculum
Pterocodon tenellus
Pterocodon sp.


neptune records: 252
Theocotyle conica
Theocotyle cryptocephala
Theocotyle nigriniae
Theocotyle venezuelensis
Theocotyle sp.


neptune records: 466
Theocotylissa alpha
Theocotylissa auctor
Theocotylissa ficus
Theocotylissa fimbria
Theocotylissa sp.


neptune records: 3659


Rank: family (new classif)
Taxonomic discussion: This family is part of the revised classification system being developed by Prof. Suzuki and colleagues

Catalog entries: Theocotylidae [no catalog entry yet]


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 Danian Stage (0% up, 66Ma, in Danian stage). Data source: Total of range of species in this database

Plot of occurrence data:



Theocotylidae compiled by the radiolaria@mikrotax project team viewed: 1-4-2023

Taxon Search:
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AphiaID: not found
Short stables page link: Go to to create a permanent copy of this page - citation notes

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