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Changshania
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Emmrichellacea
Family:
Emmrichellidea
Formal Genus Name and Reference:
Changshania SUN, 1923
Type Species:
C. conica, SD SUN, 1924
Images
(Click to enlarge in a new window)
Fig. 185, 9. *C. conica, Kushan F., China, 9a, b, cran., pyg., x3 (478*)
Synonyms
Geographic Distribution
E.Asia
Age Range
Beginning Stage in Treatise Usage:
M.Cam.
Beginning International Stage:
Cambrian Stage 4
Fraction Up In Beginning Stage:
0
Beginning Date:
512.3
Ending Stage in Treatise Usage:
M.Cam.
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
Preglabellar area subquadrate, Pygidium subtriangular, without spines
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Emmrichellacea
Family:
Emmrichellidea
Formal Genus Name and Reference:
Changshania SUN, 1923
Type Species:
C. conica, SD SUN, 1924
Images
(Click to enlarge in a new window)
Fig. 185, 9. *C. conica, Kushan F., China, 9a, b, cran., pyg., x3 (478*)
Synonyms
Geographic Distribution
E.Asia
Age Range
Beginning Stage in Treatise Usage:
M.Cam.
Beginning International Stage:
Cambrian Stage 4
Fraction Up In Beginning Stage:
0
Beginning Date:
512.3
Ending Stage in Treatise Usage:
M.Cam.
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
Preglabellar area subquadrate, Pygidium subtriangular, without spines