radiolaria - rads_cenozoic

Lithapium

Classification: rads_cenozoic -> Theoperidae -> Theoperidae inc sed -> Lithapium
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)
				Lithapium anoectum neptune records: 138
				Lithapium mitra neptune records: 24
				Lithapium plegmacantha neptune records: 92
				Lithapium sp. neptune records: 1

Taxonomy

Citation: Lithapium Haeckel 1887

Rank: genus

Basionym: Lithapium

Taxonomic discussion: Has been assigned to Theoperidae, here assigned to Actinommidae following new classification being developed by Suzuki & co-workers

Catalog entries: Lithapium

Original description: Ellipsida with simple ellipsoidal or pear-shaped shell; with a single spine only situated at one pole of the main axis.

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:

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:

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

Missing or ambiguous references: ; ;

Lithapium compiled by the radiolaria@mikrotax project team viewed: 5-3-2021

Taxon Search:

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=204458 Go to Archive.is to create a permanent copy of this page - citation notes

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