Suborder:
|
Goniatitina
|
Superfamily:
|
Gastrioceratoidea
|
Family:
|
Gastrioceratidae
|
Genus:
|
Cancelloceras
|
Species:
|
sp. |
Qualifier:
|
in |
Author:
|
div. authors
|
Lower Boundary:
|
Marsdenian--Yeadonian [MRD--YEA], 313.8 million years
|
Upper Boundary:
|
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|