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TaxNo: 6043Genus Lissogastrioceras
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Gastrioceratidae
Genus: Lissogastrioceras
Qualifier: gy
Author: Gordon 1965,p.257
Valid: Gastrioceras Hyatt,1884 [TAX5684]
Lower Boundary: U Halian--Bloydian, Brentwood base, 313 million years
Upper Boundary: UAR Winslow Fm.--low. Atoka Fm., 309.5 million years