radiolaria - rads_cenozoic

Udan

Classification: rads_cenozoic -> Theoperidae -> Theoperidae inc sed -> Udan
Sister taxa: Anthocorys, Anthocyrtella, Aphetocyrtis, Cassideus, Conarachnium, Cyrtolagena, D. middouri, Dictyopodium, Diplocyclas, Eurystomoskevos, Lithapium, Lithomitrissa, Lophoconus, Lophocorys, Phrenocodon, Sethochytris, Sethoconus, Stichocampe, Theocorys, Udan

Daughter taxa (time control age-window is: 0-800Ma)
				Udan undulata neptune records:
				Udan sp. neptune records:

Taxonomy

Citation: Udan Renz 1976

Rank: genus

Basionym: Udan

Catalog entries: Udan

Description

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 Aquitanian Stage (0% up, 23Ma, in Aquitanian stage). Data source: Total of range of species in this database

Plot of occurrence data:

Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Neptune data: This is a higher taxon page so Neptune data is not plotted. See also: customisable plot Parent: Theoperidae inc sed

References:

Renz, G. W. (1976). The distribution and ecology of Radiolaria in the central Pacific: plankton and surface sediments. Bulletin of the Scripps Institution of Oceanography. 22: 1-267. gs

Udan compiled by the radiolaria@mikrotax project team viewed: 21-4-2021

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205986 Go to Archive.is to create a permanent copy of this page - citation notes

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