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Borealis

Classification

    Phylum:  
Brachiopoda
    Class:  
Rhynchonellata
    Order:  
Pentameridina
    Superfamily:  
Pentameroidea
    Family:  
Virgianidae
    Genus:  
Borealis


    Type Species:  


Images

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Geographic Distribution

Baltic region, South China, Russia (Kolyma, Siberia)


Age Range

    Beginning Stage in Treatise Usage:  
lower Llandovery
    Beginning International Stage:  
Rhuddanian
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
443.07
    Ending Stage in Treatise Usage:  
lower Llandovery
    Ending International Stage:  
Rhuddanian
    Fraction Up In Ending Stage:  
0
    Ending Date:  
440.49


Description



References

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