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Spirigerina
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Atrypida
Superfamily:
Atrypoidea
Family:
Atrypinidae
Genus:
Spirigerina
Type Species:
Images
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Geographic Distribution
worldwide
Age Range
Beginning Stage in Treatise Usage:
middle Llandovery
Beginning International Stage:
Aeronian
Fraction Up In Beginning Stage:
0
Beginning Date:
439.24
Ending Stage in Treatise Usage:
Emsian
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
0
Ending Date:
394.3
Description
References
Link To Treatise Volume Genus Appears In:
Volume Of Treatise Appears In:
Page in Treatise It Is On:
Author:
Author Citation:
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Atrypida
Superfamily:
Atrypoidea
Family:
Atrypinidae
Genus:
Spirigerina
Type Species:
Images
Geographic Distribution
worldwide
Age Range
Beginning Stage in Treatise Usage:
middle Llandovery
Beginning International Stage:
Aeronian
Fraction Up In Beginning Stage:
0
Beginning Date:
439.24
Ending Stage in Treatise Usage:
Emsian
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
0
Ending Date:
394.3
Description
References
Link To Treatise Volume Genus Appears In:
Volume Of Treatise Appears In:
Page in Treatise It Is On:
Author:
Author Citation: