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Granularia
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Uncertain
Superfamily:
Dalmanitacea
Family:
Granulariidae
Formal Genus Name and Reference:
Granularia POLETAEVA, ? I936
Type Species:
G. obrutchetJi
Images
(Click to enlarge in a new window)
Synonyms
Geographic Distribution
USSR
Age Range
Beginning Stage in Treatise Usage:
Up.L.Cam.(“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale)
Beginning International Stage:
Wuliuan
Fraction Up In Beginning Stage:
0
Beginning Date:
509
Ending Stage in Treatise Usage:
Up.L.Cam.(“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale)
Ending International Stage:
Wuliuan
Fraction Up In Ending Stage:
100
Ending Date:
504.5
Description
Characters of family = Cranidium proparian, with pyriform glabella and preglabellar field. Pygidium isopygous, with many segments and relatively narrow axis. Surface densely granulose.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Uncertain
Superfamily:
Dalmanitacea
Family:
Granulariidae
Formal Genus Name and Reference:
Granularia POLETAEVA, ? I936
Type Species:
G. obrutchetJi
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
USSR
Age Range
Beginning Stage in Treatise Usage:
Up.L.Cam.(“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale)
Beginning International Stage:
Wuliuan
Fraction Up In Beginning Stage:
0
Beginning Date:
509
Ending Stage in Treatise Usage:
Up.L.Cam.(“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale)
Ending International Stage:
Wuliuan
Fraction Up In Ending Stage:
100
Ending Date:
504.5
Description
Characters of family = Cranidium proparian, with pyriform glabella and preglabellar field. Pygidium isopygous, with many segments and relatively narrow axis. Surface densely granulose.