Suborder:
|
Goniatitina
|
Superfamily:
|
Goniatitoidea
|
Family:
|
Goniatitidae
|
Genus:
|
Lusitanoceras
|
Species:
|
orientale |
Qualifier:
|
ss |
Author:
|
Librovitch 1940,p.152
|
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
|