radiolaria - rads_cenozoic - Didymocyrtis didymus

Didymocyrtis didymus

Classification: rads_cenozoic -> Coccodiscidae -> Didymocyrtis -> Didymocyrtis didymus
Sister taxa: D. antepenultima, D. avita, D. bassanii, D. didymus, D. laticonus, D. mammifera, D. penultima, D. prismatica, D. tetrathalamus, D. tubaria, D. violina, D. sp.


Citation: Didymocyrtis didymus (Ehrenberg) Sanfilippo and Riedel 1980
Rank: species

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]


Biogeography and Palaeobiology

Similar species: didymus

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:



Didymocyrtis didymus compiled by the radiolaria@mikrotax project team viewed: 21-1-2022

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