Didymocyrtis didymus

Taxonomy

Catalog entries: Haliomma didymum

Original description: H. Forma superficie leviter medio constricta oblonga, poris maximis perforata, radiis in strictura duobus non exsertis. Diam.1/18’".

[Haliomma didymum: An elongate form of Haliomma with a slight superficial median constriction; perforated by very large pores; two radial bars at the stricture, not projecting externally Diameter 125 µ. (Translation from Latin by E.M.R. and W.R.R.)]
Remarks on original description: = Astromma entomoroca? in Ehrenberg, 1847, p.43 [invalid name]

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: Didymocyrtis didymus, synonyms included - Didymocyrtis didymus; Ommatartus didymus;
• See also space-time plot :: Samples map :: Parent: Didymocyrtis

Didymocyrtis didymus compiled by the radiolaria@mikrotax project team viewed: 16-5-2021 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203947 Go to Archive.is to create a permanent copy of this page - citation notes

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