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Hesperonomia
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Orthoidea
Family:
Hesperonomiidae
Formal Genus Name and Reference:
Type Species:
Images
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Synonyms
Geographic Distribution
North America, Siberia, Great Britain, South America (Argentina), France, central Asia, China
Age Range
Beginning Stage in Treatise Usage:
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Ending International Stage:
Floian
Fraction Up In Ending Stage:
0
Ending Date:
471.26
Description
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Rhynchonellata
Order:
Orthida
Superfamily:
Orthoidea
Family:
Hesperonomiidae
Formal Genus Name and Reference:
Type Species:
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
North America, Siberia, Great Britain, South America (Argentina), France, central Asia, China
Age Range
Beginning Stage in Treatise Usage:
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Ending International Stage:
Floian
Fraction Up In Ending Stage:
0
Ending Date:
471.26