Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
|
Pericyclidae
|
Subfamily:
|
Pericyclinae
|
Genus:
|
Pericyclus
|
Species:
|
sp. |
Qualifier:
|
in |
Author:
|
div. authors
|
Lower Boundary:
|
BEL Vaulx-Calonne, 350 million years
|
Upper Boundary:
|
IRL Lower Limestone top, 345.3 million years
|