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TaxNo: 4824Genus Lyrogoniatites
Suborder: Goniatitina
Superfamily: Neoglyphioceratoidea
Family: Cravenoceratidae
Subfamily: Cravenoceratinae
Genus: Lyrogoniatites
Qualifier: ge
Author: Miller & Furnish 1940,p.368
Lower Boundary: DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
Upper Boundary: RUS Nm1b1--Nm1b2 (Domb.carinat.--tectus), 324.6 million years