TaxNo: 6316Cancelloceras discoideum
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Gastrioceratidae
|
| Genus: |
Cancelloceras
|
| Species: | discoideum |
| Qualifier: | sn |
| Author: |
Yang 1978,p.184
|
| Lower Boundary: |
Marsdenian--Yeadonian [MRD--YEA], 313.8 million years
|
| Upper Boundary: |
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|