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TaxNo: 4928Changhsingoceras sp.
Suborder: Goniatitina
Superfamily: Cycloloboidea
Family: Cyclolobidae
Subfamily: Cyclolobinae
Genus: Changhsingoceras
Species: sp.
Qualifier: in
Author: div. authors
Lower Boundary: Paratirol./Shevyrev.--Pseudosteph./Tap., 253 million years
Upper Boundary: Rotodiscoceras top, 251.5 million years