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TaxNo: 6690Subfamily Neoglyphioceratinae
Suborder: Goniatitina
Superfamily: Neoglyphioceratoidea
Family: Neoglyphioceratidae
Subfamily: Neoglyphioceratinae
Qualifier: fs
Author: Plummer & Scott 1937,p.185
Lower Boundary: DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
Upper Boundary: DER E2b--E2c(Cravenocerat.--Nuculoceras), 321 million years