Daughter taxa (time control age-window is: 0-800Ma) | ||||
Amphispyris roggentheni neptune records: 24 | ||||
Amphispyris sp. neptune records: |
Catalog entries: Amphispyris
Original description: 6a. Tribus- Circospyrida. Perispyrida triarticulata, articulo superiori cupolam formante, articulo medio annulum involente, articulo inferiori canistrum basale formante.
B. clathris testae aperturis hiantibus interruptis, margine laterali solo continuis.
BI. clathrorum arcadibus polychotom.
Translated description: 6a. Tribe: Circospyrida. Three-segmented Perispyrida, the upper segment forming a cupola, the median segment enveloping the ring, and the lower segment forming a basal basket.
B. With lattices of the test interrupted by open apertures, only continuous at the lateral margin.
BI. With arcades of latticework divided into many parts. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: [Synonymized with LITHOCIRCUS by Petrushevskaya, 1971b
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 Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Amphispyris compiled by the radiolaria@mikrotax project team viewed: 20-9-2024
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