radiolaria - rads_cenozoic

radiolaria - rads_cenozoic - Streblacantha

Streblacantha

Classification: rads_cenozoic -> Streblonidae -> Streblacantha
Sister taxa: Streblacantha

Daughter taxa (time control age-window is: 0-800Ma)
				Streblacantha circumtexta neptune records: 142
				Streblacantha sp. neptune records:

Taxonomy

Citation: Streblacantha Haeckel 1887

Rank: genus

Basionym: Streblacantha

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

Catalog entries: Streblacantha

Original description: Streblonida with simple, spherical, subspherical, or lentelliptical primordial chamber, beginning the screw-like series of spirally ascending chambers. Surface covered with radial spines.

The genus Streblacantha differs from the nearly allied Streblonia only in the covering of radial spines, and bears therefore the same relation to it as Hastigerina has to Globigerina amongst the similar calcareous Polythalamia.

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 Piacenzian 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: Streblonidae

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

Streblacantha compiled by the radiolaria@mikrotax project team viewed: 20-10-2021

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205628 Go to Archive.is to create a permanent copy of this page - citation notes

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