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Orbiculoidea

Classification

    Phylum:  
Brachiopoda
    Class:  
Lingulata
    Order:  
Lingulida
    Superfamily:  
Discinoidea
    Family:  
Discinidae
    Genus:  
Orbiculoidea


    Type Species:  


Images

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Geographic Distribution

cosmopolitan


Age Range

    Beginning Stage in Treatise Usage:  
Silurian
    Beginning International Stage:  
Rhuddanian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
443.07
    Ending Stage in Treatise Usage:  
Permian
    Ending International Stage:  
Changhsingian
    Fraction Up In Ending Stage:  
0
    Ending Date:  
251.9


Description



References

    Volume Of Treatise Appears In:  
    Page in Treatise It Is On:  
    Author:  
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