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Stigmosphaerostylus

Classification

    Phylum:  
Protista
    Subphylum:  
Sarcodina
    Class:  
Actinopoda
    Subclass:  
Radiolaria
    Order:  
Porulosida
    Suborder:  
Spumellina
    Infraorder:  
Sphaerellari (division)
    Superfamily:  
Liosphaericae
    Family:  
Stylosphaeridae
    Subfamily:  
Xiphostylinae
    Formal Genus Name and Reference:  
Stigmosphaerostylus RÜST, 1892
    Type Species:  
s. notabilis


Images

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Fossil Image
Fig. 20,10. *S. notabilis, L.Carb., Ger., X75 (51)


Synonyms



Geographic Distribution

Ger.


Age Range

    Beginning Stage in Treatise Usage:  
L.Carb.
    Beginning International Stage:  
Tournaisian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
359.3
    Ending Stage in Treatise Usage:  
L.Carb.
    Ending International Stage:  
Serpukhovian
    Fraction Up In Ending Stage:  
100
    Ending Date:  
323.4


Description

Polar spines similar, shell interior with 4 strong beams in equatorial plane in right-angle cross




References

Rüst, D., 1892, Beiträge zur Kenntnis der fossilen Radiolarien aus Gesteinen der Trias und der palaeozoischen Schichten: Same, Bd. 38, p. 107-200, pl. 6-30.


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