Suborder:
|
Goniatitina
|
Superfamily:
|
Pericycloidea
|
Family:
|
Pericyclidae
|
Subfamily:
|
Hammatocyclinae
|
Genus:
|
Hammatocyclus
|
Species:
|
corrugatus |
Qualifier:
|
ss |
Author:
|
Ebbighausen et.al. 2010
|
Lower Boundary:
|
Pericyclus--Fasciperic./Ammonellips.BZ, 348.5 million years
|
Upper Boundary:
|
Tournaisian--Visean [TOU--VIS], 345.3 million years
|