Classification: rads_cenozoic -> Theoperidae -> Bekomidae -> Orbula
Sister taxa: Bekoma, Bekomiforma, Orbula
Daughter taxa (time control age-window is: 0-800Ma)
Orbula comitata

neptune records: 9
Orbula discipulus

neptune records: 1
Orbula ducalis

neptune records:
Orbula sp.

neptune records: 1


Citation: Orbula Foreman 1973
Rank: genus
Basionym: Orbula

Catalog entries: Orbula

Original description: Shell of two segments with cephalis similar to Bekoma; thorax constricted distally, with three ribs terminating in three solid, short feet.


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


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

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Short stable page link: http://mikrotax.org/radiolaria/index.php?id=204836 Go to Archive.is to create a permanent copy of this page - citation notes

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