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TaxNo: 2051Lusitanoceras spiraloides
Suborder: Goniatitina
Superfamily: Goniatitoidea
Family: Goniatitidae
Genus: Lusitanoceras
Species: spiraloides
Qualifier: sy
Author: Schmidt 1925,p.571
Valid: Lusitanoceras poststriatum (Brüning 1923
Lower Boundary: DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
Upper Boundary: DER Go gamma 1-2,liethens.base,P2c base, 327.8 million years