radiolaria - rads_cenozoic

Spirema

Classification: rads_cenozoic -> Pyloniidae -> Spirema
Sister taxa: Dipylissa, Discopyle, Hexapyle, Larcopyle, Larcospira, Octopyle, Pylolena, Pylospira, Spirema, Tetrapyle, Tholospira, Trilobatum

Daughter taxa (time control age-window is: 0-800Ma)
				Spirema circularis neptune records:
				Spirema melonia neptune records:
				Spirema sp. neptune records: 40

Taxonomy

Citation: Spirema Haeckel 1887

Rank: genus

Basionym: Spirema

Catalog entries: Spirema

Original description: Lithelida with simple, spherical or subspherical, medullary shell, and lentelliptical or subspherical, spirally constructed cortical shell; surface smooth or thorny, without radial spines.

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 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: Pyloniidae

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

Spirema compiled by the radiolaria@mikrotax project team viewed: 30-7-2021

Taxon Search:

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205443 Go to Archive.is to create a permanent copy of this page - citation notes

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