TaxNo: 2582Metadimorphoceras ribblense
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Dimorphoceratidae
|
| Subfamily: |
Glyphiolobinae
|
| Genus: |
Metadimorphoceras
|
| Species: | ribblense |
| Qualifier: | ss |
| Author: |
Moore 1936,p.190
|
| Lower Boundary: |
GBY E2b1--E2b2 (Cr.edalensis--holmesi), 322 million years
|
| Upper Boundary: |
GBY E2b3--E2c1 C.nititoides--N.stellar.), 321 million years
|