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 Neogene Period (100% up, 2.6Ma, in Piacenzian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Ehrenberg, C. G. (1874b). Grössere Felsproben des Polycystinen-Mergels von Barbados mit weiteren Erläuterungen. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1873: 213-263. gs References:
Periphaena compiled by the radiolaria@mikrotax project team viewed: 10-12-2024
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=204951 Go to Archive.is to create a permanent copy of this page - citation notes |