radiolaria - rads_cenozoic

Cypassis

Classification: rads_cenozoic -> Coccodiscidae -> Cypassis
Sister taxa: Cypassis, Diartus, Didymocyrtis, Heterosestrum, Lithocyclia, Periphaena, Phacodiscus, Sethodiscus, Spongoliva, Stylocyclia, Trigonocyclia

Daughter taxa: (blue => in age window 0-800Ma)
				Cypassis irregularis neptune records: 48
				Cypassis sp. neptune records:

Taxonomy

Citation: Cypassis Haeckel 1887

Rank: genus

Basionym: Cypassis

Catalog entries: Cypassis

Original description: Cyphinida with double cortical shell and double medullary shell, without polar spines or tubes.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): at base of Gelasian Stage (0% up, 2.6Ma, in Gelasian 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: Coccodiscidae

References:

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 year 1873-1876, Zoology. 18: 1-1803. gs

Cypassis compiled by the radiolaria@mikrotax project team viewed: 18-1-2021

Taxon Search:

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Short stable page link: http://mikrotax.org/radiolaria/index.php?id=203780 Go to Archive.is to create a permanent copy of this page - citation notes

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