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TaxNo: 6480Lusitanoceras berkhense
Suborder: Goniatitina
Superfamily: Goniatitoidea
Family: Goniatitidae
Genus: Lusitanoceras
Species: berkhense
Qualifier: ss
Author: Kuzina 1999,p.77
Lower Boundary: Bollandoc./Bollandit.--Beyrichoceras BZ, 334.5 million years
Upper Boundary: DER Go beta--gamma, granos.base [P1--P2], 328.2 million years