Stylodictya ocellata

Classification: rads_cenozoic -> Spongodiscidae -> Stylodictyidae -> Stylodictya -> Stylodictya ocellata
Sister taxa: S. aculeata, S. gracilis, S. hastata, S. inaequalispina, S. multispina, S. ocellata, S. orbiculata, S. rosella, S. stellata, S. tainemplekta, S. targaeformis, S. tenuispina, S. validispina, S. sp.


Citation: Stylodictya ocellata Ehrenberg 1873
Rank: species
Basionym: Stylodictya ocellata
Taxonomic discussion: Ehrenberg 1873; 1875 Petrushevskaya (1975a)

Catalog entries: Stylodictya ocellata

Original description: Disc spirally ringed, with a small median chamber, and porous whorls, the pores of the median ones small and those of the external ones much wider, elegant and dense; with radiating spines originating near the middle as thin rods and increasing outward to thick spines. Specimen incomplete. 2 (approx. 4) spines. (Translated from Latin by E.M.R. and W.R.R.)]

Diameter of the disc (with 4 whorls) 113 µ, of median chamber 19 µ. Three larger pores in 23 µ. Length of a spine 54 µ.


Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Paleogene Period (23.03-66.04Ma, top in Chattian stage). Data source: Lazarus et al. 2015 - "P age group"
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Lazarus et al. 2015 - "P age group"

Plot of occurrence data:


Ehrenberg, C. G. (1873a). Grössere Felsproben des Polycystinen-Mergels von Barbados mit weiteren Erläuterungen. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1873: 213-263. gs

Ehrenberg, C. G. (1876). Forsetzung der Mikrogeologischen Studien als Gesammt Ubersicht der mikroskopischen Palaontologie gleichartig analysierter Gebiegsarten der Erde, mit specieller Rucksicht aus den Polycystinen Mergel von Barbados. Abhandlungen der Koniglichen Akademie der Wissenschaften zu Berlin, Physikalische Kl. 1875: 1-226. gs


Stylodictya ocellata compiled by the radiolaria@mikrotax project team viewed: 25-10-2020

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