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TaxNo: 1856Cheiloceras (Cheiloceras) praeglobosum
Suborder: Tornoceratina
Superfamily: Dimeroceratoidea
Family: Cheiloceratidae
Genus: Cheiloceras
Subgenus: Cheiloceras
Species: praeglobosum
Qualifier: sy
Author: Sobolev 1914,p.42
Valid: Cheiloceras sacculum (Sandb. & S. 1851)
Lower Boundary: UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
Upper Boundary: UD2F--UD2G:(subvaricatum Zone base), 370.8 million years