Stylosphaera dixyphos

Taxonomy

Catalog entries: Haliomma dixyphos

Original description: Forma superficie integra hemisphaerica poris amplioribus perforata, radiis internis 4, duobus longissime exsertis oppositis ensiformibus, totidem inclusis. Medusae affinis. Diam. disci 1/28"', radiorum exsertae partis utrinque pari fere longitudine, totius 1/12"'.

[A form of Haliomma with the completely hemispherical surface perforated by large pores; internal radial bars 4, two opposite ones projecting a long distance and ensiform, the other two not projecting. Related to H.medusa. Diameter of the disc 80m; total length including the spines projecting on both sides, 185m. (Translation from Latin by E.M.R. and W.R.R.) ]
Remarks on original description: Spelling in chart (p.64) differs (H. dixiphos)

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Neogene Period (2.59-23.03Ma, top in Piacenzian stage). Data source: Lazarus et al. 2015 - "N age group"
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Lazarus et al. 2015 - "N age group"

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
• Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
• Taxon plotted: Stylosphaera dixyphos, synonyms included - Amphisphaera dixyphos; Stylosphaera dixiphos; Stylosphaera dixyphos;
• See also space-time plot :: Samples map :: Parent: Stylosphaera

Stylosphaera dixyphos compiled by the radiolaria@mikrotax project team viewed: 8-7-2025 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205685 Go to Archive.is to create a permanent copy of this page - citation notes

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