Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
Streblacantha circumtexta neptune records: 142 | ||||
Streblacantha sp. neptune records: |
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.
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:
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. gsReferences:
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Streblacantha compiled by the radiolaria@mikrotax project team viewed: 25-2-2021
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 |