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Exigua
Classification
Phylum:
Arthropoda
Subphylum:
Trilobitomorpha
Class:
Trilobita
Order:
Unrecognizable Genera
Formal Genus Name and Reference:
Exigua HOWELL, 1937
Type Species:
E. quadrata
Images
(Click to enlarge in a new window)
Synonyms
Geographic Distribution
E.USA(Vt.)
Age Range
Beginning Stage in Treatise Usage:
Up.M.Cam.
Beginning International Stage:
Drumian
Fraction Up In Beginning Stage:
0
Beginning Date:
504.5
Ending Stage in Treatise Usage:
Up.M.Cam.
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
50
Ending Date:
498.75
Description
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Trilobitomorpha
Class:
Trilobita
Order:
Unrecognizable Genera
Formal Genus Name and Reference:
Exigua HOWELL, 1937
Type Species:
E. quadrata
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
E.USA(Vt.)
Age Range
Beginning Stage in Treatise Usage:
Up.M.Cam.
Beginning International Stage:
Drumian
Fraction Up In Beginning Stage:
0
Beginning Date:
504.5
Ending Stage in Treatise Usage:
Up.M.Cam.
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
50
Ending Date:
498.75