Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | ||||
![]() | Periphaena delta neptune records: 30 | ||||
![]() | Periphaena dupla neptune records: | ||||
![]() | Periphaena heliasteriscus neptune records: 90 | ||||
![]() | Periphaena triactis neptune records: 141 | ||||
Periphaena tripyramis neptune records: 3 | |||||
![]() | Periphaena decora neptune records: 315 | ||||
Periphaena sp. neptune records: 1 |
Catalog entries: Periphaena
Translated description: Differs from Haliommatins in having a subglobose test in a hyaline girdle or edge, with no radii of the nucleus projecting. It differs from the related Chilommatas in lacking radii and spines. (Translated from Latin by E.M.R. and W.R.R.)]
Geological Range:
Last occurrence (top): at top of Piacenzian Stage (100% up, 2.6Ma, in Piacenzian 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:
Ehrenberg, C. G. (1873a). Grössere Felsproben des Polycystinen-Mergels von Barbados mit weiteren Erläuterungen. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1873: 213-263. gsReferences:
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Periphaena compiled by the radiolaria@mikrotax project team viewed: 26-1-2021
Short stable page link: http://mikrotax.org/radiolaria/index.php?id=204951 Go to Archive.is to create a permanent copy of this page - citation notes |