Orbula


Classification: rads_cenozoic -> Theoperidae -> Bekomidae -> Orbula
Sister taxa: Bekoma, Bekomiforma, Orbula,
Daughter taxa: (blue => in age window 0-800Ma)

neptune records: 9

neptune records: 1

neptune records:

neptune records: 1

Taxonomy

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.

Description

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:

References:

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


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Orbula compiled by the radiolaria@mikrotax project team viewed: 19-9-2020

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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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