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Nankinolithus
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Proetacea
Family:
Entomaspididae
Formal Genus Name and Reference:
Nankinolithus Lu, 1957
Type Species:
N. Ilallkillensis]
Images
(Click to enlarge in a new window)
Synonyms
Geographic Distribution
Tangshan, China
Age Range
Beginning Stage in Treatise Usage:
U.Ord.
Beginning International Stage:
Sandbian
Fraction Up In Beginning Stage:
0
Beginning Date:
458.18
Ending Stage in Treatise Usage:
U.Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
0
Ending Date:
443.07
Description
Fringe like Broeggeroli/!ws, external pits in deep radial sulci, all pits in such sulci anteriorly; laterally internal pits irregulary arranged.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Proetacea
Family:
Entomaspididae
Formal Genus Name and Reference:
Nankinolithus Lu, 1957
Type Species:
N. Ilallkillensis]
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
Tangshan, China
Age Range
Beginning Stage in Treatise Usage:
U.Ord.
Beginning International Stage:
Sandbian
Fraction Up In Beginning Stage:
0
Beginning Date:
458.18
Ending Stage in Treatise Usage:
U.Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
0
Ending Date:
443.07
Description
Fringe like Broeggeroli/!ws, external pits in deep radial sulci, all pits in such sulci anteriorly; laterally internal pits irregulary arranged.