TaxNo: 5667Genus Cymoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Neodimorphoceratoidea
|
| Family: |
Neodimorphoceratidae
|
| Genus: | Cymoceras |
| Qualifier: | ge |
| Author: |
McCaleb 1964,p.236
|
| Lower Boundary: |
U Halian--Bloydian, Brentwood base, 313 million years
|
| Upper Boundary: |
UAR Brentwood Lst.--Woolsey, 312.5 million years
|